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The 62nd Annual Congress of the Korean Orthopaedic Association

제62차 대한정형외과학회 국제학술대회

October 18th~20th 2018 (Thu~Sat) Grand Hilton Seoul, Convention Center

The 62nd Annual Congress of the Korean Orthopaedic Association

・President Chung Soo Han ・Chairman of the Board of Directors Chong Hyuk Choi ・Treasurer & Secretary Yong Min Chun

・President-elect Won Young Shon ・Chairman-elect of the Board of the Directors Hak Sun Kim ・Secretary and Treasurer-elect Seung Hwan Han

・Auditors Kwang Hyun Lee, Yong Jee Park

・Board of Directors Joon Soon Kang Hee-Soo Kyung Kyung Hoi Koo Young Ho Kwon Byung Hean Kim Yong Min Kim Jun Shik Kim Byung Woo Min Min Jong Park Soo-Sung Park Jong Ho Park Il Hoon Sung Jin Hyung Sung Duk Seop Shin Jae Sung Ahn Kyoung Ho Yoon Taek Rim Yoon Myoung Jin Lee Byoung Chang Lee Sang Hong Lee Song Lee Ju Hong Lee Hong Keun Lee Jae Hyeog Chang Soon Taek Jeong Yang Guk Chung Suk Kyu Choo Soo Joong Choi Soo-Hong Han Seung Beom Han

33-2, Banpo-daero 20-gil, Seocho-gu, Seoul www.corentec.com The 62nd Annual Congress of the Korean Orthopaedic Association 제62차 대한정형외과학회 국제학술대회

Welcome Message Overview Greetings to all, The Annual Congress of the 62nd Korean Orthopaedic Association (KOA) has 520 oral presentations, 244 On behalf of the Korean Orthopaedic Association, it is my great pleasure and an honor to extend a warm poster displays, and 7 video display sessions in 11 different fields of studies. There are 13 plenary guest invitation to you regarding the 62nd Annual Congress of the Korean Orthopaedic Association, which will speakers and invited speakers for special sessions and approximately 62 invited speakers for symposium. be held in Seoul, the Republic of Korea from October 18th to 20th, 2018. The congress program also includes oral presentations by 10 guest speakers who were selected as travelling fellows, training lectures in 15 fields, and sessions for nurses. Since its establishment in 1956, the Korean Orthopaedic Association has evolved to be one of the largest In addition, through the congress official website and mobile application, we enabled to submit abstract, medical associations in the Republic of Korea with a membership of over 8,000 and 24 subspecialty- login for online pre-registration, and provided all congress related information such as scientific programs, societies. During the past 60 years, the Korean Orthopaedic Association has contributed to national social event schedules, information of international guest speakers, photos, abstract book, and others healthcare by successfully organizing various national-level meetings and congresses. which you may review real-time.

Recently, the Korean Orthopaedic Association has proved its enthusiasm in exchanging ideas and fostering We believe that this congress consisting of wide variety of programs and cutting edge system will be a new collaborative partnerships by hosting many international orthopaedic conferences. We are looking wonderful opportunity to share updated trend of academic research and scientific development. forward to advancements in medical research, clinical practice, and cutting-edge technology with valuable and fruitful cooperation of foreign orthopaedic institutes and members.

The 62nd Annual Congress of the Korean Orthopaedic Association aims to promote scientific development through offering the opportunity to meet and interact with the leading scientists and researchers, friends and colleagues as well as sponsors and exhibitors. With your valuable contributions, this scientific program Registration will continue to provide an opportunity for all participants to exchange the latest information and ideas, Onsite registration will be open at the registration desk on the 4th floor of Grand Hilton Seoul Convention and encourage debate on the many diverse orthopaedic issues. Center, between 7am and 5pm every day from October 18th (Thu) to October 19th (Fri), and between 7am and 11am on October 20th (Sat). It will be honor for us to have you at the 62nd Annual Congress of the Korean Orthopaedic Association. •Congress Registration fee Pre-registration On-site registration Yours sincerely, [By Sep, 30th (Sun), 2018 ] [ During the Congress ] Physician Member (KOA members only) USD 150 / KRW 150,000 USD 160 / KRW 160,000 Resident / Nurse / Army doctor / Researcher USD 100 / KRW 100,000 USD 110 / KRW 110,000 Non-Member USD 180 / KRW 180,000 USD 190 / KRW 190,000 KOA Senior Member (over 65 years old) No subscription

•Instructional Course Lectures Registration fee Pre-registration On-site registration [By Sep, 30th (Sun), 2018 ] [ During the Congress ] Chung Soo Han, MD, Ph.D. 70,000 won (1 Day Pass) 80,000 won (1 Day Pass) President, The Korean Orthopaedic Association Physician Member 140,000 won (3 Day Pass) 150,000 won (3 Day Pass) Resident / Nurse / Army doctor / Researcher 110,000 won (3 Day Pass) 120,000 won (3 Day Pass)

2 3 The 62nd Annual Congress of the Korean Orthopaedic Association 제62차 대한정형외과학회 국제학술대회

▪ Pre-registration Deadline: September 30th (Sun), 2018 Application Guide How to register : The 62nd annual congress of the Korean Orthopaedic Association website only. (http://2018.koa.or.kr/)

▪ Please note that you may receive the name tag at the register. The meal vouchers and the receipts are included in the name tag case. The stickers for your participation and presentation are also included if you are a resident. (The register is located at the 4th floor of the congress hall.)

▪ We ask all attendees to put on their name tags to enter the congress venue.

Medical Education Accreditation Points Guide - Please note that points will not be given to those who do not attend the academic congress after the pre- registration. - Since the 2016 spring academic congress, a bar code attendance system has been introduced and operated to check the exact time of entering and leaving the congress according to recommendations and guidelines of the Korean Medical Association. - Points that will be given by time are as follows. • Over two hours – below three hours ⇨ Three points • Over three hours – below four hours ⇨ Four points • Over four hours – below five hours ⇨ Five points • Over five hours ⇨ Six points - According to the revision guidelines on training courses of the Korean Medical Association, training courses can be applied for by date, and points will be given by date as well. The points that will be given by date are as follows.

Date Score October 18th (Thu.) Six points October 19th (Fri.) Six points (including two mandatory points) October 20th (Sat.) Three points

※ Maximum 15 points will be given when attending the whole congress. ※ Please check the points since different points will be given by date. ※ Regarding the mandatory points system implemented from this year, a session on Medical Infection Control Management and another session on Medical Dispute Cases will be held on Friday, October 19th. For each session, one mandatory point can be earned.

•Bar Code Attendance System Use Guide •Please check your attendance for sure through the bar code reader if any members need to complete the points. •First bar code scanning is entering time, and last bar code scanning is leaving time per attendance date. •If scanning is overlapped, only the first and the late scanning will be identified.

4 5 B-1 C-1 Room Room Pre BRegistration-1 C-1 A Room Room Room A Pre Registration B C Room Room Room B C Room Room 1 1 2 2 3 The 62nd Annual Congress of the Korean Orthopaedic Association 3 제62차 대한정형외과학회 국제학술대회 B-1 C-1 Room Room On-Site Registration Pre Registration On-Site Registration A Preview Room Room Preview Room B C Convention Center 4F Room Room Floorplan map 1 Convention Center 4F 2 Convention Center 3F 3 Convention Center 3F ▶ Congress Hall ▶Hotel Exhibition Main Lobby Hall 2F On-Site Registration Grand Ballroom Preview Room Hotel Main Lobby 2F Convention Center 4F Video Session Grand Ballroom Convention Center 1F 2019 AAOS Booth

Convention Center 3F Video Session A Exhibition Hall Convention Center 1F 2019 AAOS Booth

Hotel Main Lobby 2F Poster Session Poster Session Emerald Emerald Coffee Break Coffee Break A Exhibition Hall Grand Ballroom A B Diamond

Video SessionB-1 C-1 Room Room Convention Center 1F 2019 AAOS Booth Pre Registration Poster Session A Emerald Emerald Coffee Break Coffee Break Poster Session Room Diamond B A C B A Exhibition Hall Room Room Photo1 Zone Poster Session Poster Session B-1 C-1 2 Room Room Poster Session Emerald Emerald Coffee Break Coffee Break Pre Registration Diamond A 3 B Exhibition Hall A B Room B C Photo Zone Poster Room Room On-Site Registration 1 B-1 C-1 Preview Room Session Room Room 2 A Pre Registration Convention Center 4F Room 3 B Exhibition Hall B C Photo Zone Poster Room Room 1 Session 2 On-Site Registration Convention Center 3F Preview B RoomExhibition Hall3 Convention Center 4F 3, 4F Lobby Hotel Main Lobby 2F Main Sponsors and On-Site Registration Grand Ballroom Preview Room Luncheon symposium sponsors Convention Center 4F Convention Center 3F Convention Center 1F Video Session 1F A Exhibition Hall 2019 AAOS Booth Booth Exhibition, Poster Session, Convention Center 3F Hotel Main Lobby 2F Video Session, Coffee Break, etc. Grand Ballroom A Exhibition Hall Hotel Main Lobby 2F 1F B Exhibition Hall Grand Ballroom Video Session Poster Exhibition Convention Center 1F Poster Session 2019 AAOS Booth Emerald Emerald Coffee Break Coffee Break Poster Session Convention Center 1F AVideo SessionB Diamond 2019 AAOS Booth A Exhibition Hall A Exhibition Hall Poster Session Emerald Emerald Coffee Break Coffee Break Poster Session Poster Session Diamond Emerald Emerald CoffeeA Break B Coffee Break Poster Session A B Diamond Photo Zone Poster Session

B Exhibition Hall

Photo Zone 6 Photo Zone Poster Poster 7 Session Session

B Exhibition Hall B Exhibition Hall The 62nd Annual Congress of the Korean Orthopaedic Association 제62차 대한정형외과학회 국제학술대회

Presentation Guide Special Information

Oral Presentation Guide / Free Paper Main Events Opening Ceremony (1) Submission date of extended abstract and completed thesis: until Sunday, September 2nd. • Date & Time : 08:00~08:10, October 18th (Thu), 2018 (2) Submission date of PPT files: until Friday, October 5th (until then, the revised file can be • Place : Room A, 4th Floor, Grand Hilton Convention center uploaded in the Preview Room of the venue). - Upload your file on My page with the ID that you used when submitting your abstract. Luncheon Symposium • Date & Time : 12:10~12:30, October 18th (Thu), 2018 12:00~12:20, October 19th (Fri), 2018 • Place : Room A, 4th Floor, Grand Hilton Convention center Academic Exhibition Guide / Poster Room Emerald A, Emerald B, 3rd Floor, Grand Hilton Convention center

Members allowed to display posters are asked to print standard sized posters and hang them inside Orthopaedic Nursing Session the B exhibition hall on the first floor of the Grand Hilton Convention center by hand using some • Date & Time : 16:00~17:00, October 19th (Fri), 2018 transparent tape and push pin set. They should also upload the posters as .jpg files on the website of the • Place : Room Diamond, 3rd Floor, Grand Hilton Convention center 62nd annual congress of the Korean Orthopaedic Association.

(1) Jpg file upload deadline: by midnight Friday, October 5th The 63rd Regular General Assembly (2) Board size for exhibition: whole paper size (width 80cm × height 120cm) • Date & Time : 12:20~13:30, October 19th (Fri), 2018 Display hours: October 18th at 06:00~08:00 a.m. • Place : Room A, 4th Floor, Grand Hilton Convention center

※ How to upload: visit the website of the 62nd annual congress of the Korean Orthopaedic Association Presentation of Scientific Award Papers ⇨ log in with the ID that you used when submitting your abstract ⇨ click My page ⇨ upload on • Date & Time : 13:30~14:00, October 19th (Fri), 2018 Presentation file of Abstract Information. • Place : Room A, 4th Floor, Grand Hilton Convention center

President Lecture • Date & Time : 14:00~14:30, October 19th (Fri), 2018 • Place : Room A, 4th Floor, Grand Hilton Convention center Video Session

Members allowed to show videos are asked to submit CD until Sunday, September 2nd to the Korean Closing Ceremony Orthopaedic Association after making the video as follows. • Date & Time : 12:00~, October 20th (Sat), 2018 * Format: please submit as .wmv or .avi. • Place : Room A, 4th Floor, Grand Hilton Convention center

* The 63rd general assembly will carry out the revision of articles and rules, budget, settlement, autiding reports, and congress award ceremony; the delegation/inauguration of the current and next executive department and the exhibition award will be carried out in the closing ceremony. We would like to ask for many of your attendance in these events.

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Social Event Sponsor List Presidential Dinner • Date & Time: 18:30~ , October 18th (Thu), 2018 ▶ Luncheon sponsor • Place: Grand Ballroom, 2nd Floor, Grand Hilton Hotel

Luncheon Symposium

•Thursday, October 18th | 12:10-12:30 | Room Emerald A (3F) Dong-A ST Subject : Trend in NSAIDs ; Selective COX-2 Inhibitors & Acelex Moderator : DEUK SOO JUN (GACHON UNIV.) Speaker : SI YOUNG PARK (KOREA UNIV.) ▶ Gold sponsor

•Thursday, October 18th | 12:10-12:30 | Room Emerald B (3F) Daewoong Pharmaceutical Co., LTD Subject : Zoledroic acid: From Clinical Trials to Clinic Moderator : SEONG HWAN MOON (YONSEI UNIV.) Speaker : KWAN KYU PARK (YONSEI UNIV.)

•Thursday, October 18th | 12:10-12:30 | Room A (4F) SK Chemicals Subject : Postoperative pain management in knee OA patients focusing on SNRI Moderator : BYOUNG HYUN MIN (AJOU UNIV.) Speaker : YOUNG SOO SHIN (VETERANS HOSPITAL) ▶ Silver sponsor

•Friday, October 19th | 12:00-12:20 | Room Emerald A (3F) Mundipharma Korea Ltd. Subject : Invossa-K ; A novel intra articular gene modified cell therapy Moderator : YE YEON WON (AJOU UNIV.) Speaker : SUNG-HWAN KIM (YONSEI UNIV.)

•Friday, October 19th | 12:00-12:20 | Room A (4F) CHONG KUN DANG Subject : A deeper understanding of the use of the NSAIDs and SYSADOA for OA treatment Moderator : JAE DOO YOO (EWHA WOMANS UNIV.) Speaker : YOUNG-MO KIM (CHUNGNAM NATIONAL UNIV.)

10 11 The 62nd Annual Congress of the Korean Orthopaedic Association 제62차 대한정형외과학회 국제학술대회

Date & Time Time Room Name Title JAMES 16:00-16:30 A Research advances in articular transplant STANNARD Plenary Guest Speakers LEO 10:00-10:30 C Tumor reconstruction in children Thursday, October 18th DONNAN Time Room Name Title MASATO 10:30-11:00 C Arthroscopic repair & reconstruction of the lateral ligaments of the ankle (1) Surgery of pelvic tumors TAKAO PIETRO 11:10-12:10 A MARTINUS RUGGIERI (2) Progresses in musculoskeletal oncology in the last decades and future 11:30-12:00 C Chondral and osteochondral lesions in the ankle perspectives RICHTER HUA 14:30-15:00 C Insertional Achilles Tendinopathy: Where Do We Stand Now? YINGHUI Friday, October 19th EMILIANO B. 15:00-15:30 C Management of neglected ankle fractures Time Room Name Title TABLANTE (1) A New technique for distal femur PHILIPP 11:00-12:00 A LOBENHOFFER (2) Double osteotomy around the knee

Symposium Speakers

Thursday, October 18th

Invited Speakers Time Room Name Title MOHAMMAD Thursday, October 18th 08:40-08:55 B-1 ASHIK Patella instability in children and adolescents Time Room Name Title ZAINUDDIN

DAVID SIEW- Experience with onlay cortical grafting and impaction grafting in complex hip HSUAN-KAI 14:30-15:00 A 08:55-09:10 B-1 Meniscal Injuries in Adolescent Patients with Anterior Cruciate Ligament Tear KIT CHOON revision KAO

EMILIO KATSUAKI Pediatric Orthopedic Foot Disease Requiring Differentiation from Foot Sports The Shoulder of the Athlete. Differences with the Pitchers Shoulder. 09:10-09:25 B-1 16:00-16:30 B LOPEZ- Disorder in Growth Period The European Experience. TAIRA VIDRIERO MUNEAKI ZAID AL 15:00-15:30 C "Early" stage knee osteoarthritis - How it is proceeded? 10:10-10:25 B-1 Treatment of neuromuscular spinal deformities ISHIJIMA AUBAIDI

CHASANAL Shoulder muscle transfer and Glenoid osteotomy in Birth brachial plexus 10:25-10:40 B-1 Friday, October 19th RATHOD injury Time Room Name Title JAVED NIKOLAUS Fracture dislocations of the elbow – What are the patterns and how do they Treatment strategies for Arthrogryopis Multiplex Congenita 10:30-11:00 A 10:40-10:55 B-1 RENNER translate into a treatment strategy? IQBAL

KODI NOBUYUKI Recent Topics of Anterior Dislocation of the Shoulder: From the Viewpoint of 14:30-15:00 A Failure of femoral neck fracture fixation 11:10-11:22 B-1 KOJIMA YAMAMOTO Biomechanics

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Time Room Name Title Time Room Name Title The effects of glenosphere tilting, inferior displacement and humeral RICHARD M PRINCE 11:22-11:34 B-1 Use of cadaveric material in spinal research. Plus points and Pitfalls component retroversion on the range of motion and impingement after reverse HALL 11:25-11:40 C-1 SHANAVAS KHAN total shoulder .

Biomechanical study of screw fixation and plate fixation of a posterior CHISTIAN 11:34-11:46 B-1 MA XIN malleolar fracture in a simulation of the normal gait cycle 11:40-11:55 C-1 GONZALEZ Arthroscopic treatment of radial head fractures JOFRE SEUNG 11:46-11:58 B-1 Knee contact force estimation using dynamics simulation Bilayer Electrospun Scaffolds with Controlled Drug Release for Rotator Cuff 13:30-13:45 C-1 LUNING SUN BEOM KOO Tendon- Healing

Set-up of clinical network in Nagoya University Hospital for patients with KUNIHIRO MOUSTAFA 13:30-13:50 B-1 neurofibromatosis type 1 IKUTA ISMAIL - Surveillance of patients with the risk of MPNST - 13:45-14:00 C-1 3D measurement of subacromial space volume, a new idea IBRAHIM ELSAYED 13:50-14:10 B-1 JUNJI WASA Management of NF1 related MPNST LIANG- Utilization of National Insurance Database in Orthopaedic Research, Taiwan’s 14:00-14:15 C-1 TSENG KUO experience PIYA 14:10-14:30 B-1 Limb-sparing surgery for bone and soft-tissue tumors: Lerdsin Experience KIATISEVI XIN Reconstruction of segmental bone defects due to osteomyelitis using 14:30-14:43 C-1 ZENGFENG Masquelet technique with external fixator BONG GUN 14:30-14:42 B-1 Shoulder LEE 14:43-14:56 C-1 MICHAEL TO External fixator in Skeletal dysplasia

14:42-14:54 B-1 HYUN IL LEE Hand and wrist MOFAKHKHARUL 14:56-15:09 C-1 External fixator in Complex deformities of foot BARI JUN 14:54-15:06 B-1 Sports injury of Foot and ankle SASAHARA YOSHINOBU 15:09-15:22 C-1 Decreasing the complications of by new device OKA WOONG- 15:06-15:18 B-1 Beyond Gray-scale Ultrasonography with New Technology KYO JEONG

Friday, October 19th NOBUYUKI 10:10-10:25 C-1 Recent Topics Related to Suture Anchors Used in Rotator Cuff Repair Time Room Name Title YAMAMOTO

JONG PIL YUNG SHU 10:00-10:10 B-1 Anatomy and Current Biomechanical Concepts of Carpal Ligament KIM 10:25-10:40 C-1 HANG Managing Massive cuff tear with Frozen shoulder: Staged vs All-in-One? PATRICK JOO YUP 10:10-10:20 B-1 Classification and Clinical Impacts of Carpal Instability MUKESH ACUTE TRAUMATIC MASSIVE RETRACTED FULL THICKNESS(DROP LEE 10:40-10:55 C-1 LADDHA ARM) CUFF TEAR-ARTHROSCOPIC DOUBLE ROW REPAIR MASAHIRO 10:20-10:30 B-1 The Role of in Treatment of Acute Intercarpal Ligament Injuries KANCHAN TATEBE 11:10-11:25 C-1 Irreparable cuff tears BHATTACHARYYA

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Time Room Name Title Effects of Remnant Tissue Preservation on Clinical Outcome after Double- 09:15-09:25 C-1 EIJI KONDO MIN JONG bundle ACL Reconstruction 10:30-10:40 B-1 Reconstructive Surgery for Chronic Scapholunate Dissociation PARK LINGARAJ 09:25-09:35 C-1 Hamstring tendon autografts in ACL reconstruction - Does size matter ? CLARA KRISHNA 10:40-10:50 B-1 WING-YEE An update of treatment for Midcarpal Instability WONG 09:35-09:45 C-1 ANDRI LUBIS ACL reconstruction: Which grafts can be used if hamstring is too small ? MARK 11:00-11:15 B-1 Salvage of failed femur neck fracture fixation REILLY YASUTAKA The Graft Bending Angle Can Affect Early Graft Healing After ACL 09:45-09:55 C-1 Reconstruction SUTHORN TASHIRO 11:15-11:30 B-1 Salvage of failed intertrochanteric fracture fixation BAVONRATANAVECH GUAN-YANG The Role of Anterior CW-HTO + ACL Reconstruction In Reducing High-grade 10:20-10:30 C-1 Pivot-shift and Eliminating Excessive Anterior Tibial Translation JAMAL Management of Neglected / Delayed Presenting Acetabular Fractures: SONG 11:30-11:45 B-1 ASHRAF Salvaging a Tough Situation YUNG 10:30-10:40 C-1 Anterolateral ligament reconstruction of the Knee: Facts & Ficts YUTAKA PATRICK 16:00-16:15 B-1 The importance of computer technology in hip osteotomy INABA BRIAN A biomechanical assessment of a distally-based lateral extra-articular 10:40-10:50 C-1 tenodesis in the treatment of anterolateral rotational laxity of the knee PORNPAVIT DEVITT 16:15-16:30 B-1 Navigation in difficulty SRIPHIROM CHANAKARN 11:00-11:10 C-1 Lateral side injury in multiple knee ligament injury The Development of A Novel Locking Reinforcement Device for Revision Hip PHORNPHUTKUL PANG-HSIN 16:30-16:45 B-1 Arthroplasty with Massive Acetabular Bone Loss: Biomechanical Study and HSIEH Preliminary Clinical Results HUNG-MAAN 11:10-11:20 C-1 Operative strategy in posterior corner (PLC/PMC) injury of knee joint LEE 08:00-08:10 C-1 DAVE LEE Cartilage Repair in 2018 YI-SHENG Arthroscopy-Assisted Corrective Osteotomy with Allograft Augmentation for 11:20-11:30 C-1 CHAN Tibial Plateau Malunion or NOBUO Cartilage repair using tissue-engineered cartilage : Its clinical outcomes and 08:10-08:20 C-1 ADACHI modifications of the procedure Derotational osteotomy for patella subluxation secondary to excessive torsion 11:30-11:40 C-1 FENG HUA deformity HIDEYUKI 08:20-08:30 C-1 Treatment strategy for meniscus extrusion to preserve meniscal function KOGA RYOHEI 14:30-14:42 C-1 Strategy of Surgical Treatment for Osteoarthritis of the Knee TAKEUCHI TAKAYUKI Meniscal extrusion, translocation, and shift following arthroscopic knee 08:30-08:40 C-1 FURUMATSU surgeries SENG JIN 14:42-14:54 C-1 Fixed bearing UKA YEO BANCHA 08:40-08:50 C-1 All inside medial meniscus root repair and meniscus extrusion reduction CHERNCHUJIT SRIHATACH 14:54-15:06 C-1 GEORGE Effects of joint line elevation in medial Unicompartmental Knee Arthroplasty RYOSUKE NGARMUKOS 09:05-09:15 C-1 The Best Evidence in ACL Reconstruction KURODA

16 17 The 62nd Annual Congress of the Korean Orthopaedic Association 제62차 대한정형외과학회 국제학술대회

PARAG Travelling Fellow 16:00-16:15 C-1 KANTILAL TKR in severe Varus : Valgus Deformities SANCHETI Thursday, October 18th Time Room Name Title SHUICHI 16:15-16:30 C-1 What is optimal alignment in TKA? MATSUDA WONG, From Systematic Review to the Development of a Clinically Relevant 14:42-14:48 C RONALD Osteoporotic Metaphyseal Fracture Animal Model for MAN YEUNG Enhancement Mechanistic Studies TOMOYUKI 16:30-16:45 C-1 Modified kinematically aligned total knee arthroplasty MATSUMOTO SETH 17:06-17:12 C-1 Dual Antiplatelet Medication and Timing of Hip Fracture Surgery TARRANT

17:00-17:15 C-1 YIXIN ZHOU Total knee arthroplasty for traumatic arthritis

Friday, October 19th 17:15-17:30 C-1 MEL S. LEE The strategy to improve longevity in revision TKA Time Room Name Title

Emerald JITHAYUT Alternated femoral neck cut for short metaphyseal stem is suitable and reliable 10:36-10:42 B SUEAJUI for Asian population AZHAR M. 17:30-17:45 C-1 Managing bone defects in revision TKR MERICAN Emerald TOMONORI 11:06-11:12 Total hip arthroplasty after failed treatment of proximal femur fracture B TETSUNAGA JOHN Y S Single position lumbar spine surgery : external fixator Emerald SEUNG-MIN 09:00-09:12 Diamond 11:30-11:36 Effect of surgical duration on outcomes of total hip arthroplasty CHOI B YOUN

AKIO Unsintered Hydroxyapatite and Poly-L-Lactide Composite Screws/Plates for 17:30-17:35 A SAKAMOTO Stabilizing B-Tricacium Phosphate Bone Implants Saturday, October 20th SYED FARAZ Addition Of Dexamethasone And Ketorolac To Lignocaine Intravenous Time Room Name Title 14:40-14:45 B UL HASSAN Regional Anesthesia (Bier's Block) To Improve Tourniquet MUSTAFA SHAH GILLANI Tolerance And Postoperative Analgesia In Hand And Forearm Surgery 10:00-10:15 A Posterior Shoulder Instability Management: What is difficult or easy? KARAHAN

ASHUTOSH ARTHROLATARJET: A RETROSPECTIVE STUDY ON UNION AND GRAFT Saturday, October 20th 10:15-10:30 A ARVIND POSITIONING. AJARI Time Room Name Title

ABHAY Emerald AASIS Validity and Responsiveness of the 2-Minute Walk Test for Measuring 10:30-10:45 A Rotator Cuff Repair : Results of Single Row Repair 10:30-10:40 KULKARNI A UNNANUNTANA Functional Recovery after Total Knee Arthroplasty

Emerald JADE HO PEI Three-dimensional Computed Tomography Analysis of the Posterior Tibial 10:40-10:50 A YUIK Slope in 100 Knees

Volar Locking Plating(VLP) versus Percutaneous Kirschner Wires (K-wire) for KERAN 11:00-11:05 B distal radius fractures in a young and middle-aged adult population: a meta- SUNDARAJ analysis

18 19 The 62nd Annual Congress of the Korean Orthopaedic Association 제62차 대한정형외과학회 국제학술대회

Program at a glance Friday, October 19th K(Korean Session), E(English Session)

Time Emerald A Emerald B Room A Room B Room C Diamond Room B-1 Room C-1 Hip 13 Microsurgery 1 Thursday, October 18th K(Korean Session), E(English Session) Fracture 1 Pediatric 1 Symposium Knee 18 Hip Fracture4 : Microsurgical 08:00-08:30 Upper extremity Skeletal Dysplasia Arthroscopy 1 Time Emerald A Emerald B Room A Room B Room C Diamond Room B-1 Room C-1 TKA 5 (E) Atypical/Occult reconstruction of the fractures (E) (K) Dave Lee Fracture (K) upper extremity (E) ICL Opening Nobuo Adachi 08:00-08:10 Hip 14 Microsurgery 2 Hand Ceremony Fracture 2 Hideyuki Koga Knee 19 Hip Fracture5 : Microsurgical Pediatric 2 Foot & Ankle 16 Hip 1 08:30-09:00 Acetabulum/Hip Takayuki Furumatsu Knee 1 Spine 1 Shoulder & Elbow 1 Foot & Ankle 1 Misc (E) Outcome reconstruction of the lower Basic Science (K) Syndesmosis 1 (K) 08:10-08:40 Radiographic Fractures (E) Bancha Chernchujit TKA1 (K) Deformity 1 (K) Rotator cuff 1 (K) Forefoot 1 (K) ICL improvement (K) extremity and other (E) analysis (K) Bone and Microsurgery 3 Symposium Symposium Hip 2 soft tissue Knee 20 Hip 15 Fracture 3 Microsurgical Pediatric 3 Foot & Ankle 17 Arthroscopy 2 09:00-09:30 Spine Knee 2 Spine 2 Shoulder & Elbow 2 Foot & Ankle 2 transplantation Symposium Shoulder & Elbow 19 08:40-09:10 Joint Preservation1 UKA (K) Hip Fracture6 (E) Femur Fractures (E) reconstruction of the Pediatric Hip (K) Syndesmosis 2 (E) Ryosuke Kuroda TKA2 (K) Deformity 2 (K) Rotator cuff 2 (K) Forefoot 2 (E) Pediatric 1 Trauma 1 (K) John Y S Choi (K) upper extremity (K) Eiji Kondo Mohammad Ashik Zainuddin Hip 3 Lingaraj Krishna Knee 3 Spine 3 Shoulder & Elbow 3 Foot & Ankle 3 Thesis Lecture Hsuan-Kai Kao Shoulder & Elbow 20 09:10-09:40 Joint Preservation2 09:30-10:00 coffee break Andri Lubis TKA3 (K) Deformity 3 (E) Elbow 1 (E) Midfoot (K) for Residents Katsuaki Taira Trauma 2 (E) (E) Yasutaka Tashiro Microsurgery 4 09:40-10:10 coffee break Hip 16 Pediatric 4 Knee 21 Fracture 4 Microsurgical Symposium 10:00-10:30 THA3 : Stem and Invited lecture Symposium Hip 4 TKA 6 (E) Pelvis Fractures (K) reconstruction of the lower Arthroscopy 3 Cup (K) Leo Donnan Knee 4 Spine 4 Uncommon, Shoulder & Elbow 4 Foot & Ankle 4 Symposium Symposium extremity and Research (K) ICL Hand 10:10-10:40 Guan-yang Song Foot & Ankle Masahiro Tatebe TKA4 (K) Cervical 1 (K) but Important Rotator cuff 3 (K) Hindfoot (K) ICL Pediatric 2 Shoulder & Elbow 1 Hip 17 Fracture 5 Yung Patrick Situation (K) Knee 22 Hand 1 Pediatric 5 Clara Wing-yee Wong Orthopaedic Zaid Al Aubaidi Nobuyuki Yamamoto 10:30-11:00 THA4 : Stem (E) Invited lecture Brian Devitt TKA 7 (E) General (K) Basic Science (E) Hip 5 Research Chasanal Rathod Yung Shu Hang Patrick Jithayut Sueajui Nikolaus Renner Knee 5 Spine 5 Shoulder & Elbow 5 Foot & Ankle 5 10:40-11:10 Issues related to Javed Iqbal Mukesh Laddha Hip 18 TKA5 (K) Cervical 2 (K) Instability 1 (K) Ankle Arthritis 1 (K) Knee 23 Foot & Ankle 8 Symposium Hip Surgery (K) THA5 : Specific Hand 2 Symposium 11:00-11:30 TKA 8 & orther Invited lecture Arthroscopy 4 Situation (E) Mallet finger (K) Knee 6 Spine 6 Shoulder & Elbow 6 Foot & Ankle 6 Symposium Symposium (K) Masato Takao Fracture 11:10-11:40 Tomonori Tetsunaga Plenary lecture ICL Chanakarn Phornphutkul TKA6 (K) Cervical 3 (E) Instability 2 (E) Ankle Arthritis 2 (K) Orthopaedic Research Shoulder & Elbow 2 Mark Reilly Philipp Lobenhoffer Pediatric Hung-Maan Lee Plenary lecture ICL Hip 19 Foot & Ankle 9 Suthorn Bavonratanavech Nobuyuki Yamamoto Kanchan Bhattacharyya Knee 24 Hand 3 Yi-Sheng Chan THA6 : Outcome (E) Invited lecture Knee 7 Spine 7 Pietro Ruggieri Shoulder & Elbow 7 Foot & Ankle 7 Spine Richard M Hall Prince Shanavas Khan 11:30-12:00 Jamal Ashraf 11:40-12:10 Petella (K) Carpal tunnel syndrome (K) FENG Hua TKA7 (K) Cervical 4 (E) Arthritis & Arthroplasty (E) Ankle Arthritis 3 (K) MA Xin Chistian Gonzalez Jofre Seung-Min Youn Martinus Richter Seung Beom Koo Luncheon Luncheon 12:00-12:20 12:10-12:30 Luncheon Symposium Symposium Symposium 12:30-13:30 Lunch General Assembly Hip 6 Basic & Research 1 Symposium 12:20-13:30 Lunch Knee 8 Spine 8 Shoulder & Elbow 8 Symposium & Lunch 13:30-14:00 THA1 : Biomaterials/ Musculoskeletal TKA1 (E) Lumbar 1 (K) Miscellaneous 1 (E) ICL Shoulder & Elbow 3 Articulation (K) Scaffold (E) Tumors ASAMI Luning Sun Presentation of Hip 7 Basic & Research 2 Kunihiro Ikuta Knee 9 Spine 9 Shoulder & Elbow 9 Mofakhkharul Bari Moustafa Ismail Ibrahim Elsayed 13:30-14:00 Scientific Award 14:00-14:30 THA2 : Biomechanics/ Junji Wasa TKA2 (E) Lumbar 2 (K) Basic 1 (E) Liang-Tseng Kuo​ Papers Articulation (E) Instrument 1 (E) Piya Kiatisevi

Hip 8 Basic & Research 3 14:00-14:30 President Lecture Knee 10 Spine 10 Shoulder & Elbow 10 Symposium ASAMI 14:30-15:00 Invited lecture /Bone (E) Symposium TKA3 (E) Lumbar 3 (K) Basic 2 (K) ICL David Siew-Kit Choon Wong, Ronald Man Yeung Ultrasonography in Xin Zengfeng Musculoskeletal Fracture 6 Hand 4 Foot & Ankle 10 Symposium Orthopaedics Michael To Knee 25 Pediatric 6 Hip 9 Basic & Research 4 Tumors 14:30-15:00 Invited lecture Miscellaneous (E) Invited lecture Knee 11 Spine 11 Shoulder & Elbow 11 Mofakhkharul Bari ACL 3 (K) Pediatric Foot (K) Knee 1 15:00-15:30 THA : Surgical Invited lecture Jun Sasahara Medical Education TKA4 (E) Lumbar 4 (K) Elbow 2 (K) Yoshinobu Oka Kodi Kojima Syed Faraz Gillani Hua Yinghui ICL Ryohei Takeuchi Technique (K) Muneaki Ishijima Accreditation Points Pediatric 7 Fracture 7 Foot & Ankle 11 Hip Seng Jin Yeo Knee 26 Hand 5 Required Lecture 15:30-16:00 coffee break 15:00-15:30 Pediatric Other Geriatric Fracture Invited lecture Srihatach George Ngarmukos ACL 4 (K) Nerve (E) Topics (K) (K) Emiliano B. Tablante David Mayman Tumor 1 Shoulder & Elbow 12 Hip 10 Knee 12 Spine 12 Basic & Research 5 Knee 16 16:00-16:30 Giant cell tumor Invited lecture Hip Fracture1 : 15:30-16:00 coffee break ACL 1 (E) Lumbar 5 (K) Miscellaneous (E) TKA 9 (K) (K) Emilio lopez-vidriero Epidemiology (K) ICL Pediatric 8 Fracture 8 Knee 27 Hand 6 Foot & Ankle 12 Symposium Symposium Hip 11 Invited lecture Tumor 2 Basic & Research 6 Osteoporosis 16:00-16:30 Other Pediatric Nurse Session 1 Knee 13 Spine 13 Shoulder & Elbow 13 Knee 17 Hip Fracture2 ACL 5 (K) Tendon (E) Ankle instability (K) Hip Knee 2 16:30-17:00 benign bone & Soft Biomechanics/ Topics (E) James Stannard ACL 2 (E) Lumbar 6 (E) Rotator cuff 4 (E) Others (K) : Perioperative Yutaka Inaba Parag Kantilal Sancheti tissue tumor (K) Instrument 2 (K) Foot & Ankle 13 Management (K) Knee 28 Pediatric 9 Tumor 5 Hand 7 Pornpavit Sriphirom Shuichi Matsuda 16:30-17:00 Miscellaneous 1 Nurse Session 2 ACL / PCL (K) Pediatric Hip (E) Basic research(E) Finger (E) Pang-Hsin Hsieh Tomoyuki Matsumoto Hip 12 (K) Tumor 3 Hip Fracture3 Knee 14 Spine 14 Shoulder & Elbow 14 Basic & Research 7 Knee 29 Pediatric 10 Tumor 6 Foot & Ankle 14 17:00-17:30 Malignant bone : Perioperative Hand 8 ACL 1 (K) Lumbar 7 (E) Rotator cuff 5 (E) Cell/Muscle (K) 17:00-17:30 Osteotomy 1 Pediatric Lower Soft tissue tumor Osteochondral Symposium tumor (K) ICL Management (E) Thumb (E) Medical Education (K) Extremity (E) (E) lesion on talus (K) ICL Knee 3 Knee Seth Tarrant Accreditation Points Tumor 7 Fracture Basic & Research 8 Knee 30 Pediatric 11 Hand 9 Foot & Ankle 15 Required Lecture Mel S. Lee Knee 15 Spine 15 Tumor 4 Shoulder & Elbow 15 17:30-18:00 Miscellaneous/ 17:30-18:00 Osteotomy 2 Pediatric Upper Bone tumor(E) Carpal tunnel syndrome Miscellaneous 2 Azhar M. Merican ACL 2 (K) MISS 1 (K) Reconstruction (K) Rotator cuff 6 (E) Drug (K) (K) Extremity (E) Akio Sakamoto (E) (K)

20 21 The 62nd Annual Congress of the Korean Orthopaedic Association 제62차 대한정형외과학회 국제학술대회

Saturday, October 20th K(Korean Session), E(English Session) Transportation Time Emerald A Emerald B Room A Room B Room C Diamond

Knee 31 Spine 16 Shoulder & Elbow 18 Hand 10 Fracture 9 08:00-08:30 Osteotomy & Cartilage (E) MISS 2 (K) Rotator cuff 7 (K) Distal radius fracture (K) /Ankle Fractures (K) Gusan Bulgwang 구산역 불광역 ICL Shoulder & Elbow Yeokchon Hand 11 역촌역 Sangmyung univ. Knee 32 Spine 17 Shoulder & Elbow 19 Fracture 10 상명대학교 로 08:30-09:00 Triangular fibrocartilage Osteotomy & PCL (E) MISS 3 (E) Rotator cuff 8 (K) Around Knee Fractures (K) 환 Subway Line 3 complex (K) Nokbeon 순 녹번역 Subway Line 6 Eungam 부 내

응암역 AY SW ES Baekrteonsan PR Knee 33 Spine 18 Shoulder & Elbow 20 Hand 12 Fracture 11 백련산 EX 09:00-09:30 Saejeol BU Osteotomy / Cartilage (K) MISS 4 (E) Elbow 3 (K) Arthroscopy (E) Elbow/Wrist Fractures (K) AE Cheongwadae 새절역 N 청와대 Hongje 홍제역 Inwangsan Jeungsan 인왕산 09:30-10:00 coffee break 증산역 Myeongji univ. Muakjae 명지대학교 Seodaemun-gu office 무악재역 Fracture 12 Digital media city Knee 34 Spine 19 Hand 13 디지털미디어시티역 서대문구청 Gyeongbokgung palace 10:00-10:30 Shoulder/Humerus Fracture 경복궁 TKA 8 & OA (E) Miscellaneous 1 (K) Scaphoid nonunion (E) World cup stadium Ansan Symposium (K) Dongnimmun 월드컵경기장역 안산 독립문역 Shoulder & Elbow 4 ICL Yonsei univ. 연세대학교 City hall Mustafa Karahan CAOS 서울시청 Knee 35 Ashutosh Arvind Ajari Travelling Fellow Session (E) Spine 20 Hand 14 Fracture 13 10:30-11:00 Aasis Unnanuntana Miscellaneous 2 (K) DRUJ (E) Hip Fractures (K) Jade Ho Pei Yuik

Hand 15 Fracture 14 Knee 36 Spine 21 Shoulder & Elbow 21 Directions From the Hotel staff 11:00-11:30 Distal radius fracture (E) Atypical Femoral Fractures Meniscus 1 (K) Miscellaneous 3 (K) Miscellaneous 2 (K) Keran Sundaraj (K) From Incheon International Airport, take the airport expressway to Jayuro road junction and then take the ICL KOSSM inter-city expressway. Exit at Hongje ramp and then make a U-turn at the intersection traffic lights. The

Knee 35 Spine 22 Shoulder & Elbow 22 Hand 16 Fracture 15 11:30-12:00 Grand Hilton Seoul hotel is located on the right after the next traffic lights. Meniscus 2 (K) Miscellaneous 4 (E) Miscellaneous 3 (K) Wrist (E) Femur Fractures (K) The hotel also offers an airport collection service (KW 136,500 for 3 persons including luggage). If you 12:00 ~ Closing Ceremony require an airport pick-up please book in advance through our reservations department.

Taxis depart from platform 6C and travel time to the hotel is approximately 45 minutes. Please note that there is an additional 20% late night premium between the hours of Midnight and 4am. Receipt issue and translation are included in the basic service.

A Prestige Taxi service also operates from the airport which includes a car phone service and no late night premium. The service costs approximately KW 80,000 and the journey time is approximately 45 minutes.

To reach the hotel by bus from Incheon International Airport, take the No 6005 airport Limousine Bus which leaves from bus stop 5B or 12A. The journey takes approximately 1 hour.

22 23 The 62nd Annual Congress of the Korean Orthopaedic Association

From the Incheon International Airport Take the airport expressway to Jayuro road junction and take the inter-city expressway. Exit at Hongje ramp and then make a U-turn at the intersection traffic lights. The Grand Hilton Seoul hotel is located on the right

- Distance from Hotel : 35 min. - Drive Time : 40 min.

Type Typical Minimum Charge

Bus Service 15,000 KRW

Limousine Call Hotel for information

Taxi 60,000 KRW

From the Gimpo International Airport Southern Seongsan Bridge - Naebu Circular Highway (Hongje IC)- Yeonhee-roe Highway - Drive About 900m in Seodaemun-gu Office Direction After Exiting

- Distance from Hotel : 11 min. - Drive Time : 30 min.

Type Typical Minimum Charge

Taxi 30,000 KRW

Various other 75,000 KRW

24 Oral Presentations & Invited Lectures >> The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Emerald A Thursday, October 18th Room Emerald A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. 08:00-08:10 Opening Ceremony 09:40-10:10 Coffee Break

TKA 1 (K) TKA4 (K) 08:10-08:40 10:10-10:40 SUNG DO CHO / DONGCHEONDONGKANG HOSPITAL•YOUNG WAN MOON / SUNGKYUNKWAN UNIV. HEE-SOO KYUNG / KYUNGPOOK NATIONAL UNIV.•SOO JAE YIM / SOONCHUNHYANG UNIV. Thursday Comparison Of Pain Between The Presence And The Absence Of Epinephrine In Periarticular Effects of Cruciate Ligament Resection on the Extension-Flexion Gap in PS-TKA for Osteoarthritic 08:10-08:16 1 10:10-10:16 10 Injection After Total Knee Arthroplasty : A Prospective, Randomized, Double-Blind Trial Patients YOUNG-IL KO / HANYANG UNIV. MYUNG JIN KIM / SEOUL SACRED HEART GENERAL HOSPITAL

Comparison of postoperative analgesic effect between infiltration between the popliteal artery Intraoperative factors affecting conversion from cruciate retaining to cruciate substituting in total 10:16-10:22 11 08:16-08:22 2 and the capsule of the posterior knee and periarticular multimodal drug injection in total knee knee arthroplasty arthroplasty SE GU KANG / KYUNG HEE UNIV. HONG JO / HAEUNDAE BUMIN HOSPITAL 10:22-10:28 12 Pre-and postoprative tibial slope angles in CR and PS total knee arthroplasty Effect of Chronic Kidney Disease on Outcomes of Total Joint Arthroplasty : A Systematic Review 08:22-08:28 3 and Meta-analysis KI HYUK KOO / SEOUL SACRED HEART GENERAL HOSPITAL SOO HWAN JUNG / INJE UNIV. 10:28-10:40 Discussion

08:28-08:40 Discussion TKA5 (K) 10:40-11:10 TKA 2 (K) HEE-SOO KYUNG / KYUNGPOOK NATIONAL UNIV.•SOO JAE YIM / SOONCHUNHYANG UNIV. 08:40-09:10 Periprosthetic bone mineral density change after total knee arthroplasty (Titanium alloy versus SUNG DO CHO / DONGCHEONDONGKANG HOSPITAL•YOUNG WAN MOON / SUNGKYUNKWAN UNIV. 10:40-10:48 13 Cobalt-chromium) The effect of Early Manipulation Under Anesthesia on Clinical Outcome and Patient`s Satisfaction 08:40-08:46 4 after Primary Total Knee Arthroplasty : Comparison in Staged Bilateral Total Knee Arthroplasty WOO CHEOL SHIN / SEOUL NATIONAL UNIV. BYEONG IL YOON / CHUNG-ANG UNIV. Sarcopenia as a predictor of motality and fracture risk in patients who underwent total knee 10:48-10:56 14 arthroplasty Following strict transfusion guideline can effectively minimize blood transfusion after total knee 08:46-08:52 5 arthroplasty without critical adverse outcome YONG TAEK PARK / CATHOLIC UNIV. ILKYU PARK / CATHOLIC UNIV. 10:56-11:10 Discussion

Bilateral Simultaneous Unicompartmental Knee Arthroplasty Versus Unilateral Total Knee TKA6 (K) 08:52-08:58 6 Arthroplasty: A Comparison of the Amount of Blood Loss and Transfusion, Perioperative 11:10-11:40 DONG CHUL LEE / BOGANG HOSPITAL•CHUL WON HA / SUNGKYUNKWAN UNIV. Complications, Hospital Stay, and Functional Recovery Rotating hinge knee versus constrained condylar knee in revision total knee arthroplasty : A meta- JI WEON MUN / DONGGUK UNIV. 11:10-11:16 15 analysis

08:58-09:10 Discussion IN-WOOK SEO / VETERANS HEALTH SERVICE MEDICAL CENTER

The reliability of intraoperative frozen biopsy for identifying active infection during revision total TKA3 (K) 11:16-11:22 16 09:10-09:40 knee arthroplasty EUN KYOO SONG / CHONNAM NATIONAL UNIV.•CHOONG HYEOK CHOI / HANYANG UNIV. Factors Associated with Hyperextension and Its Relationship with Clinical Outcome after Mobile- JAEHWAN LIM / CHOSUN UNIV. 09:10-09:16 7 bearing Total Knee Arthroplasty 11:22-11:28 17 The Use of Bisphosphonate After Joint Arthroplasty is Associated with Lower Implant Revision Rate HYEONG-JUN PARK / CHUNG-ANG UNIV. HYUK SOO HAN / SEOUL NATIONAL UNIV. 09:16-09:22 8 A Sagittal Reference for Tibial Component in Total Knee Arthroplasty 11:28-11:40 Discussion HEE-JUNE KIM / KYUNGPOOK NATIONAL UNIV.

09:22-09:28 9 The effects of unilateral total knee arthroplasty on contralateral limb and pelvis, spinal alignment

WHANG KIM / SEOUL NATIONAL UNIV.

09:28-09:40 Discussion 28 29 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Emerald A Thursday, October 18th Room Emerald A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. TKA7 (K) TKA3 (E) 11:40-12:10 14:30-15:00 DONG CHUL LEE / BOGANG HOSPITAL•CHUL WON HA / SUNGKYUNKWAN UNIV. YOUNG JOON CHOI / ULSAN UNIV.• KYE YOUNG HAN / KANGWON UNIV. Is range of movement technique a safe method to set the rotational alignment of the tibial Comparison between two systems to improve further flexion in total arthroplasty : high femoral 11:40-11:46 18 14:30-14:36 27 component? curvature design versus high femoral condylar thickness design Thursday JONG-HYUP SONG / KOREA KOREA UNIV. JONG-KEUN KIM / HANIL HOSPITAL

The Influence of Internal Rotation of Femoral Component to Patellar Tracking in Total Knee The Effect of Posterior Tibial Slope Change on Postoperative Range of Motion and Clinical 11:46-11:52 19 14:36-14:42 28 Arthroplasty using Gap Technique Outcome after Total Knee Arthroplasty MYUNG JIN KIM / SEOUL SACRED HEART GENERAL HOSPITAL JANGYUN LEE / SEOUL NATIONAL UNIV.

Comparison of patella tracking according to the amount of femoral component external rotation Finite Element Analysis of the Effect of Implant Material and Design on Local Mechanical 11:52-11:58 20 14:42-14:48 29 in primary total knee arthroplasty Environment in Total Knee Arthroplasty KWANG WOOK CHOI / CHONBUK NATIONAL UNIV. MOON JONG CHANG / SEOUL NATIONAL UNIV.

11:58-12:10 Discussion 14:48-15:00 Discussion

12:10-12:30 TKA4 (E) Lunchoen Symposium : Dong-A ST Ltd. 15:00-15:30 YOUNG JOON CHOI / ULSAN UNIV.• KYE YOUNG HAN / KANGWON UNIV. 12:30-13:30 Lunch (Room A, Emerald A, B) Comparison of limb and component alignment between femoro-tibial synchronizer (Linker) versus TKA1 (E) 15:00-15:06 30 navigation assisted total knee arthroplasty for a severe varus knee: minimum 5-year follow up, 13:30-14:00 HAE SEOK KOH / CATHOLIC UNIV.•YONG IN / CATHOLIC UNIV. propensity score matching The Efficacy of combined use of oral and intravenous tranexamic acid on reducing blood loss in MINKYU SEO / SUNGKYUNKWAN UNIV. 13:30-13:36 21 total knee arthroplasty. Robotic versus Conventional Primary Total Knee Arthroplasty. Clinical and Radiological Long-Term 15:06-15:12 31 JONG BYUNG OH / SEOUL NATIONAL UNIV. Results with a Minimum Follow-up of 10 years Comparative Efficacy of Intravenous with Intraarticular versus Intravenous only Administration of WON YOUNG JANG / CHONNAM NATIONAL UNIV. 13:36-13:42 22 Tranexamic Acid to Reduce Blood Loss in Knee Arthroplasty Comparison of Outcome and Gait Analysis after Robotic Total Knee Arthroplasty Between 15:12-15:18 32 YOUNG-HOO KIM / SEOUL SEONAM HOSPITAL Mechanical and Kinematic Knee Alignment methods with and Average 8 Years Follow Up CHEON GON PARK / CHONNAM NATIONAL UNIV. 13:42-13:48 23 Do We Need Chemical Thromboprophylaxis After Total Knee Arthroplasties?

YOUNG-HOO KIM / SEOUL SEONAM HOSPITAL 15:18-15:30 Discussion

13:48-14:00 Discussion 15:30-16:00 Coffee Break

TKA2 (E) ACL 1 (E) 14:00-14:30 16:00-16:30 HAE SEOK KOH / CATHOLIC UNIV.•YONG IN / CATHOLIC UNIV. KYOUNG HO YOON / KYUNG HEE UNIV.•KI CHEOR BAE / KEIMYUNG UNIV. Comparison of AnteriorStabilized and Posterior Stabilized Total Knee Arthroplasties in the Same Comparison of the Slippage of Adjustable-Loop Suspensory Fixation Device for Anterior Cruciate 14:00-14:06 24 16:00-16:06 33 Patients: A Prospective Randomized Study Ligament Reconstruction With and Without Additional Knot Tying SUNG WON JANG / NOWON TNTN HOSPITAL SANG DOO PARK / EWHA WOMANS UNIV.

Does Cortical Non-Contact or Delayed Contact of an Adjustable-loop Femoral Button Affect Knee 14:06-14:12 25 Hyperextension developed after posterior substituting total knee arthroplasty 16:06-16:12 34 Stability after Anterior Cruciate Ligament Reconstruction? JOONHEE LEE / SEOUL NATIONAL UNIV. SUEEN SOHN / CATHOLIC UNIV. Does Posterior-stabilized Prosthesis Affect Knee Motion and Stability when Performing Kinematic 14:12-14:18 26 16:12-16:18 35 Incidence and Trends of Anterior Cruciate Ligament Reconstruction Aligned Total Knee Arthroplasty? IN JUN KOH / CATHOLIC UNIV. KYU SUNG CHUNG / INJE UNIV.

14:18-14:30 Discussion 16:18-16:30 Discussion 30 31 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Emerald A Thursday, October 18th Room Emerald B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. ACL 2 (E) 08:00-08:10 Opening Ceremony 16:30-17:00 KYOUNG HO YOON / KYUNG HEE UNIV.•KI CHEOR BAE / KEIMYUNG UNIV. Deformity 1 (K) 08:10-08:40 Impaired Neuromuscular Control up to postoperative 1 year in Operated and Non-Operated Knees 16:30-16:36 36 CHOON KI LEE / SEOUL NATIONAL UNIV.•HAK SUN KIM / YONSEI UNIV. after Anterior Cruciate Ligament Reconstruction Thursday 08:10-08:16 45 Sagittal Alignment of Spine and Pelvis in Young Adults EOS Analysis in a Korean Population DAE KEUN SUH / KOREA UNIV. MIN YOUNG KI / KONYANG UNIV. Epidemiology of subsequent ACL surgery (revision or contralateral) after primary reconstruction in 16:36-16:42 37 the Korea from 2008 to 2016 Surgery in patients with Parkinson disease with Camptocormia: Matched cohort study with 08:16-08:22 46 IN KEUN PARK / INJE UNIV. degenerative sagittal imbalance HYUNG-YOUL PARK / CATHOLIC UNIV. A Biomechanical Comparison of Different Tendon Suturing Techniques for Three-stranded All- 16:42-16:48 38 inside ACL Grafts 08:22-08:28 47 Sarcopenia as a risk factor for sagittal imbalance in the elderly JAE-SUNG YOO / DANKOOK UNIV. JAEDONG KIM / HANYANG UNIV.

16:48-17:00 Discussion 08:28-08:40 Discussion ACL 1 (K) 17:00-17:30 Deformity 2 (K) 08:40-09:10 SUN CHUL HWANG / GYEONGSANG NATIONAL UNIV.•JOON HO WANG / SUNGKYUNKWAN UNIV. JIN HYOK KIM / CM HOSPITAL•YE SOO PARK / HANYANG UNIV. Clinical, Radiologic Outcomes and Survivorship of Single-Bundle Versus Double-Bundle Anterior 17:00-17:06 39 08:40-08:46 48 Restoration of segmental lordosis by anterior column release for degenerative flatback Cruciate Ligament Reconstruction : 8 to 10-Year Follow-up YOO BEOM KWON / KYUNG-HEE UNIV. SE-JUN PARK / SUNGKYUNKWAN UNIV.

Risk Factors for Inferior Post-operative Outcomes after Double-bundle Anterior Cruciate Ligament Risk factors and clinical outcomes of proximal Junctional kyphosis following iliac screw fixation for 17:06-17:12 40 08:46-08:52 49 Reconstruction degenerative adult spinal deformity SANGWOO KIM / DONGGUK UNIV. HYUNG-KI MIN / CATHOLIC UNIV.

Biomechanical Comparison of Single-Bundle versus Double-Bundle Anterior Cruciate Ligament Clinical effect of Facet fusion in Minimal Invasive Scoliosis Surgery using Allografts and Bone Graft 17:12-17:18 41 Reconstruction : A Meta-Analysis 08:52-08:58 50 Substitutes in Adolescent Idiopathic Scoliosis : JIN-YOUNG OH / GYEONGSANG NATIONAL UNIV. a Preliminary Analysis. SEONG HYUN KANG / KOREA UNIV. 17:18-17:30 Discussion 08:58-09:10 Discussion ACL 2 (K) 17:30-18:00 Deformity 3 (E) SUN CHUL HWANG / GYEONGSANG NATIONAL UNIV.•JOON HO WANG / SUNGKYUNKWAN UNIV. 09:10-09:40 When should we initiate Range Of Motion Exercise after Anterior Cruciate Ligament KI TACK KIM / KYUNG HEE UNIV.•SEUNG WOO SUH / KOREA UNIV. 17:30-17:36 42 Reconstruction with Outside-In method using Hamstring Autograft? – Early versus Delayed, A Difference of handgrip strength and paraspinal muscles’ volume between the patients with adult 09:10-09:16 51 Randomized Controlled trial. spinal deformity and symptomatic lumbar spinal stenosis YOONSEOK KIM / INJE UNIV. SEUNG WON JEON / SEOUL NATIONAL UNIV.

Cross cultural adaptation and validation of Korean version of the ACL RSI (Return to sports after 09:16-09:22 52 Reliability measurement of EOS for spinal pelvic index on the sagittal plane of spine and pelvis 17:36-17:42 43 injury) JAE SIN LEE / KONYANG UNIV. JEONG KU HA / INJE UNIV. Failure of pelvic compensation in patients with severe positive sagittal imbalance : Comparison Effect of hyperbaric oxygen therapy on pain, swelling and functional restoration after anterior 17:42-17:48 44 09:22-09:28 53 between static radiographs and gait analysis of spinopelvic parameters in adult spinal deformity cruciate ligament reconstruction of knee and lumbar stenosis HO JONG RA / ULSAN UNIV. SUNG TAECK KIM / SEOUL NATIONAL UNIV.

17:48-18:00 Discussion 09:28-09:40 Discussion

32 33 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Emerald B Thursday, October 18th Room Emerald B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No.

09:40-10:10 Coffee Break Cervical 4 (E) 11:40-12:10 JAE SUNG AHN / CHUNGNAM NATIONAL UNIV.•WOO DONG NAM / KANGWON UNIV. Cervical 1 (K) 10:10-10:40 Cervical alignment changes in comfortable standing position, compared with standard standing KYUNG JIN SONG / CHONBUK NATIONAL UNIV.•KYUNG SOO SUK / YONSEI UNIV. 11:40-11:46 63 position Thursday 10:10-10:16 54 Diagnostic Value of SPECT/CT in Cervical Axial Pain : A Guide for Injection Therapy JINIL JUNG / ULSAN UNIV.

SAM YEOL CHANG / SEOUL NATIONAL UNIV. The influence of upper cervical incidence on horizontal gaze and global sagittal alignment in mild 11:46-11:52 64 degenerative spondylotic patients Biomechanical stress analysis of allo spacers among anterior plate/screws, lateral mass screws 10:16-10:22 55 fixation and pedicle screws fixation in an anterior cervical /fusion model SUNG HOON CHOI / PUSAN NATIONAL UNIV.

TAE SUNG LEE / YONSEI UNIV. Feasibility and limitation of C1 posterior arch screw and C2 pedicle screw in atlantoaxial and 11:52-11:58 65 occipitocervical fusion patients. Is it safe to perform anterior using a high speed burr during anterior cervical 10:22-10:28 56 discectomy and fusion? : evaluation on the risk of vertebral artery injury and the safe margin of the JAE-WOO PARK / ULSAN UNIV. foraminotomy 11:58-12:10 Discussion KYUNG-HWI KIM / DONGGUK UNIV. 12:10-12:30 Lunchoen Symposium : Daewoong Pharmaceutical Co., LTD 10:28-10:40 Discussion 12:30-13:30 Lunch (Room A, Emerald A, B) Cervical 2 (K) 10:40-11:10 Lumbar 1 (K) DAE MOO SHIM / WONKWANG UNIV.•JIN SUP YEOM / SEOUL NATIONAL UNIV. 13:30-14:00 Difference of Clinical Adjacent Segmental Pathology Among Various Races Following Anterior KYU YEOL LEE / BUSAN CENTUM HOSPITAL•KYU JUNG CHO / INHA UNIV. 10:40-10:46 57 Cervical Discectomy and Fusion : Meta-Analysis of Randomised Controlled Trials 13:30-13:36 66 Assessment of sleep quality in patients with lumbar spinal stenosis YONG JIN PARK / CHONNAM NATIONAL UNIV. NA-KYOUNG LEE / SEOUL NATIONAL UNIV. Comparative analysis between early surgical and conservative treatment of the incomplete cervical 10:46-10:52 58 spinal cord injury without major fracture and dislocation in the preexisting cervical spinal stenosis 13:36-13:42 67 Risk factor analysis for postsurgical foot complaint after degenerative lumbar spinal surgery JOON HEE KIM / ULSAN UNIV. HAE-DONG JANG / SOONCHUNHYANG UNIV.

Preoperative Risk Factors of Cervical Sagittal Malalignment in Multilevel Posterior Cervical Spinal Longer sitting time and low physical activity are closely associated with chronic low back pain in 10:52-10:58 59 13:42-13:48 68 Fusion population over 50 years of age: a cross-sectional study using national health survey SANG HO KIM / YONSEI UNIV. SEONPYO JANG / SEOUL NATIONAL UNIV.

10:58-11:10 Discussion 13:48-14:00 Discussion

Cervical 3 (E) Lumbar 2 (K) 11:10-11:40 14:00-14:30 HAN CHANG / BUSAN KOREA HOSPITAL•MOON SOO PARK / HALLYM NIV. CHANG HOON JEON / AJOU UNIV.•DONG EUN SHIN / CHA UNIV. Clinical outcomes of 169 cases of oblique lateral interbody fusion for lumbar degenerative disease 11:10-11:16 60 Bone regrowth phenomenon of facet and lamina following posterior cervical foraminotomy 14:00-14:06 69 in a single-institution prospective cohort: Impact of preoperative diagnosis on clinical outcomes HYEONG-JOO LEE / ULSAN UNIV. YUNJIN NAM / SEOUL NATIONAL UNIV. Uncinate Process Area as A Sensitive Morphological Parameter to Predict cervical foraminal 11:16-11:22 61 stenosis 14:06-14:12 70 Microscope assisted direct decompression during OLIF or ALIF : A Preliminary Study JONG-UK MUN / GYEONGSANG NATIONAL UNIV. DONG-WAN KIM / KEIMYUNG UNIV.

Radiologic and Clinical Outcome of Minimally Invasive Lateral Lumbar Interbody Fusion using E. coli- 11:22-11:28 62 Clinical Outcomes of Acute Cervical Spinal Cord Injury Depending on the Timing of Surgery 14:12-14:18 71 derived Bone Morphogenic Protein - Comparison Between DBM only and DBM plus BMP Group - TAE YOUNG KWON / CHONBUK NATIONAL UNIV. CHUNGWON BANG / SOONCHUNHYANG UNIV.

11:28-11:40 Discussion 14:18-14:30 Discussion

34 35 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Emerald B Thursday, October 18th Room Emerald B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Lumbar 3 (K) Lumbar 6 (E) 14:30-15:00 16:30-17:00 BYUNG JOON SHIN / SOONCHUNHYANG UNIV.• BONG SOON CHANG / SEOUL NATIONAL UNIV. SEONG HWAN MOON / YONSEI UNIV.•YONG SOO CHOI / KWANGJU CHRISTIAN HOSPITAL Radiological risk factors for adjacent segment disease requiring surgery following PLIF: a minimum GASTROINTESTINAL AND HEPATOBILIARY COMPLICATIONS AFTER SURGERY : 14:30-14:36 72 16:30-16:36 81 10-year follow-up results RISK FACTOR ANALYSIS Thursday HAE-DONG JANG / SOONCHUNHYANG UNIV. JI HOON BAHK / CATHOLIC UNIV.

Factors associated with proximal junctional failure (PJF) in patients undergoing long instrumented Multiple bridging bone patterns using new anterior bone bridging (ABB) cage in lumbar interbody 14:36-14:42 73 16:36-16:42 82 spinal fusion . SUNG JUN PARK / INHA UNIV. DONG-HOON LEE / CHUNG-ANG UNIV.

14:42-14:48 74 Isolated upper lumbar segmental instability 16:42-16:48 83 Reliability of new lumbar interbody fusion criteria

KI HO NA / CATHOLIC UNIV. DONG-HOON LEE / CHUNG-ANG UNIV.

14:48-15:00 Discussion 16:48-17:00 Discussion

Lumbar 4 (K) Lumbar 7 (E) 15:00-15:30 17:00-17:30 KI HO NA / CATHOLIC UNIV.•HUN-KYU SHIN / SUNGKYUNKWAN UNIV. SOON TAEK JEONG / GYEONGSANG NATIONAL UNIV.•DONG SOO KIM / CHUNGBUK NATIONAL UNIV. Association between lumbar paraspinal muscle degeneration and lumbar degenerative disease Comparative Analysis of Factors of Patients that Eventually Underwent Surgical Treatment for 15:00-15:06 75 17:00-17:08 84 using computed tomography scan and clinical parameters Lumbar Spinal Pathology after Three Consecutive Selective Nerve Root Block DAE GEON SONG / EULJI UNIV. EUGENE PARK / CHUNGNAM NATIONAL UNIV.

Superior articular process cross-sectional is a sensitive parameter for the diagnosis of lumbar lateral The influence of hand grip strength on surgical outcomes after surgery for degenerative lumbar 15:06-15:12 76 17:08-17:16 85 recess spinal stenosis spinal stenosis : a preliminary result. JONG-UK MUN / GYEONGSANG NATIONAL UNIV. NA-KYOUNG LEE / SEOUL NATIONAL UNIV.

Evaluation of real neurologic intermittent claudication using accelerometer device in patients with 15:12-15:18 77 17:16-17:30 Discussion lumbar spinal stenosis. : Pilot and feasibility study MISS 1 (K) JAE HO YANG / YONSEI UNIV. 17:30-18:00 WHOAN JEANG KIM / EULJI UNIV.•JAE CHAL LEE / SOONCHUNHYANG UNIV. 15:18-15:30 Discussion Clinical Comparison of Unilateral Biportal Endoscopic Spine Surgery and Unilateral 17:30-17:36 86 Bilateral Decompression for Lumbar Central Stenosis 15:30-16:00 Coffee Break IN SEUNG LEE / BUSAN BUMIN HOSPITAL Lumbar 5 (K) 16:00-16:30 Assessment of cervical epidural pressure during lumbar arthroscopic spine surgery (LASS) : Is LASS HAK JIN MIN / SEOUL MEDICAL CENTER•TAE KYUN KIM / WONKWANG UNIV. 17:36-17:42 87 safe? Fusion Rate with Autologous Bone Graft (iliac bone) versus Local Bone Graft in lumbar Spinal 16:00-16:06 78 JIN HO HWANG / CM HOSPITAL Fusion. KI-YOUL NAM / INJE UNIV. Comparison between anterior instrumentation and posterior percutaneous pedicle screw fixation 17:42-17:48 88 in one level with two level anterior interbody fusion The Validity of the Thoracolumbar Injury Classification and Severity Score(TLICS) System in 16:06-16:12 79 YONG-HWAN CHOI / JEJU NATIONAL UNIV. Thoracolumbar Spine Injuries

CHAN JIN PARK / CHONNAM NATIONAL UNIV. 17:48-18:00 Discussion

Surgical Outcomes For Late Neurological Deficits After Long Lumbar Instrumented Fusion for 16:12-16:18 80 Degenerative Lumbar Diseases SANG-IL KIM / CATHOLIC UNIV.

16:18-16:30 Discussion

36 37 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room A Thursday, October 18th Room A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. 08:00-08:10 Uncommon, but Important Situation (K) Opening Ceremony 10:10-10:40 Radiographic Analysis (K) HEE JOONG KIM / SEOUL NATIONAL UNIV.•DONG HUN SUH/ KOREA UNIV. 08:10-08:40 38 Cases of clinical and early radiological findings in subchondral of femoral head in JUN-DONG CHANG / HALLYM UNIV.•SANG SOO LEE / HALLYM UNIV. 10:10-10:16 98 military recruits Thursday 08:10-08:16 89 Spinopelvic Parameters in Dysplastic and Non-dysplastic Osteoarthritis of the Hip MINHO CHOI / ARMED FORCES CAPITAL HOSPITAL HYUCK SUNG SON / KYUNG HEE UNIV. 10:16-10:22 99 Conservative treatment using sponge cast for transfer fractures in nursing home patients The Effect of Different Fracture Levels on Strength of Bone-Implant Constructs in Subtrochanteric 08:16-08:22 90 JAE WOONG SEO / GWANGJU VETERANS HOSPITAL Fracture Models fixed by a Short Cephalomedullary Nail

CHUL YOUNG JANG / HALLYM UNIV. 10:22-10:28 100 Ankylosing Neurogenic Myositis Ossificans of the Hip : A Case Series

08:22-08:28 91 Component Asymmetry in Bilateral Cementless Total Hip Arthroplasty BYUNG-HO YOON / INJE UNIV.

SEUNG HUN WOO / PUSAN NATIONAL UNIV. 10:28-10:40 Discussion

08:28-08:40 Discussion Issues related to Hip Surgery (K) 10:40-11:10 Joint Preservation1 (K) DOU HYUN MOON / GACHON UNIV.•GUN IL IM / DONGGUK UNIV. 08:40-09:10 DEUK SOO HWANG / CHUNGNAM NATIONAL UNIV.•YONG CHAN HA / CHUNG-ANG UNIV. 10:40-10:46 101 Sarcopenia and Osteosarcopenia in Hip Fracture Mid-term Results of Arthroscopic Debridement for Labral Tear of the Hip using Midtrochanteric JUNG-TAEK KIM / AJOU UNIV. 08:40-08:46 92 Portal Incidence and Risk factor of Intraoperative acetabular fracture during Total hip arthroplasty in CHAE JIN IM / CHONNAM NATIONAL UNIV. 10:46-10:52 102 learning curve period Arthroscopic Acetabular Labral Repair Associated with Femoroacetabular Impingement - Long SOONG JOON LEE / SEOUL NATIONAL UNIV. 08:46-08:52 93 term 7-10 years follow-up results- 10:52-10:58 103 The biological response to laser-aided direct metal-coated Titanium alloy (Ti6Al4V) KI-JUN AHN / CHUNGNAM NATIONAL UNIV. YOUNGWOOK LIM / CATHOLIC UNIV. Treatment outcome of dome osteotomy of the pelvis combined with trochanteric advancement 08:52-08:58 94 for sequelae of Perthes' disease 10:58-11:10 Discussion CHANG YONG HU / CHONNAM NATIONAL UNIV. Plenary Lecture 11:10-12:10 08:58-09:10 Discussion CHUNG SOO HAN / CHUNG HOSPITAL

Joint Preservation2 (E) Surgery of pelvic tumors 09:10-09:40 SANG HONG LEE / CHOSUN UNIV.•YOUNG YOOL CHUNG / KWANGJU CHRISTIAN HOSPITAL Progresses in musculoskeletal oncology in the last decades and future perspectives Clinical Outcome Following Arthroscopic Treatment of symptomatic Paralabral Cysts around Hip 09:10-09:16 95 PIETRO RUGGIERI / UNIVERSITY OF PADOVA / ITALY Joint : 2-9 Years Follow Up JAE WON LEE / CHUNGNAM NATIONAL UNIV. Discussion

Arthroscopic Treatment of Symptomatic Early Osteoarthritis of the Hip in Middle-aged Patients. : 12:10-12:30 Lunchoen Symposium : SK chemicals 09:16-09:22 96 2-7 Years Follow Up 12:30-13:30 Lunch (Room A, Emerald A, B) JUNG-MO HWANG / CHUNGNAM NATIONAL UNIV. THA1: Articulation (K) What are causes of hip pain undiagnosed or misdiagnosed by primary physicians in young adult 13:30-14:00 09:22-09:28 97 KUEN TAK SUH / PUSAN NATIONAL UNIV.•JOO HYOUN SONG / CATHOLIC UNIV. patients? a retrospective descriptive study 13:30-13:36 104 Delta-on-Delta versus Delta-on-XLPE bearings in Primary Total Hip Arthroplasty HONG SEOK KIM / SEOUL NATIONAL UNIV. YOUNG-SEO CHOI / KYUNGPOOK NATIONAL UNIV. 09:28-09:40 Discussion

09:40-10:10 Coffee Break

38 39 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room A Thursday, October 18th Room A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Biolox Forte Ceramic Head on Delta Ceramic Liner Articulation in Total Hip Arthroplasty : A Concise Giant cell tumor (K) 13:36-13:42 105 16:00-16:30 Follow-Up Report at a Minimum of 10 Years. JONG SUCK LEE / ULSAN UNIV.• HYUN GUY KANG / NATIONAL CANCER CENTER YOUNG-JIN PARK / GYEONGSANG NATIONAL UNIV. 16:00-16:05 113 Short-term Neoadjuvant Denosumab Treatment for Locally Advanced Giant Cell Tumor of Bone Long-term results of metal-on-metal Arthroplasty using Birmingham Hip Thursday 13:42-13:48 106 KI BONG CHANG / CATHOLIC UNIV. Resurfacing : Minimum 15-year follow-up study SEUNG HYUK LEE / KYUNG HEE UNIV. 16:05-16:10 114 Characteristics of Giant Cell Tumor in Teenagers WOO JONG KIM / CHONNAM NATIONAL UNIV. 13:48-14:00 Discussion

THA2: Articulation (E) 16:10-16:15 115 Giant Cell Tumor of Bone and Pregnancy 14:00-14:30 YOUNG HO KIM / HANYANG UNIV.•HO HYUN YUN / VETERANS HOSPITAL MIN WOOK JOO / CATHOLIC UNIV.

14:00-14:06 107 Use of Ceramic-on-ceramic bearing in Total Hip Arthroplasty for Posttraumatic Arthritis of the Hip 16:15-16:20 116 Reconstruction Strategy for Intralesional Treatment of Giant Cell Tumor of Knee

JI SUP HWANG / SEOUL NATIONAL UNIV. GUO FENG ZHANG / KYUNGPOOK NATIONAL UNIV. Serum Metal Ion level on Cementless Metal-on-Metal Total Hip Arthroplasty : 10 Year Minimum 14:06-14:12 108 16:20-16:30 Discussion Follow-up Trends CHUL-HO KIM / ARMED FORCES DAEJEON HOSPITAL Benign bone & Soft tissue tumor (K) 16:30-17:00 KYOO HO SHIN / YONSEI UNIV.•SUNG-TAEK JUNG / CHONNAM NATIONAL UNIV. 14:12-14:18 109 Is There Any Difference in Fretting and Corrosion at the Trunnion of Metal and Ceramic Heads? 16:30-16:35 117 Treatment of enchondroma in hands and feet YOUNG-HOO KIM / SEOUL SEONAM HOSPITAL JAE YOON JEONG / PUSAN NATIONAL UNIV. 14:18-14:30 Discussion 16:35-16:40 118 Clinicopathologic characteristics and prognostic factors of superficial soft tissue sarcoma Invited Lecture 14:30-15:00 JEONG HYUN LEE / SEOUL NATIONAL UNIV. SHIN YOON KIM / KYUNGPOOK NATIONAL UNIV. Recurrence after Surgical Treatment for the Benign Vascular Tumors of Soft Tissue: Statistical and 14:30-14:50 Experience with onlay cortical grafting and impaction grafting in complex hip revision 16:40-16:45 119 Machine Learning Analyses DAVID SIEW-KIT CHOON / UNIVERSITY MALAYA MEDICAL CENTRE / MALAYSIA MIN WOOK JOO / CATHOLIC UNIV.

14:50-15:00 Discussion 16:45-16:50 120 The Efficacy of Detecting a Sentinel Lymph Node through PET/CT THA: Surgical Technique (K) 15:00-15:30 HO DONG NA / YEUNGNAM UNIV. JOONG MYUNG LEE / CHA UNIV.•MYUNG RAE CHO / DAEGU CATHOLIC UNIV. 16:50-17:00 Discussion Comparison of Clinical and Radiologic results between Modified Watson-Jones and Hardinge 15:00-15:06 110 approach in Bipolar Hemiarthroplasty - minimum 2 years follow up Malignant bone tumor (K) 17:00-17:30 SIN HYUNG PARK / SOONCHUNHYANG UNIV. WON JONG BAHK / CATHOLIC UNIV.•SO HAK CHUNG / KOSIN UNIV.

Enhancing Joint Stability Using a Stepwise Release Technique in Posterior Total Hip Arthroplasty: A Upfront surgery may improve survival of Stage IIB Osteosarcoma of extremity; A cohort and case- 15:06-15:12 111 17:00-17:05 121 Novel External Rotators-Preserving Approach control study in single institute SEUNG CHAN KIM / CATHOLIC UNIV. SEUNG YONG LEE / KOREA CANCER CENTER HOSPITAL

15:12-15:18 112 Characteristics of the Hip Arthroplasty Performed by Low-Volume Surgeons in Korea 17:05-17:10 122 The Contents of Soft Tissue Extension Determine Latency of Distant Metastasis in Osteosarcoma

JAE HWAN LIM / CHOSUN UNIV. SEUNG HYUN KIM / YONSEI UNIV. Clinical Outcomes of Pathologic Vertebral Fractures in Patients with Multiple Myeloma: 15:18-15:30 Discussion 17:10-17:15 123 Comparison of Reconstruction Surgery with Adjuvant Radiotherapy and Radiotherapy alone 15:30-16:00 Coffee Break HYUNG-YOUL PARK / CATHOLIC UNIV.

40 41 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room A Thursday, October 18th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Peri-prosthetic fracture around tumor prosthesis, comparison of results with or without cortical 08:00-08:10 17:15-17:20 124 Opening Ceremony strut onlay allograft Rotator cuff 1 (K) HWAN SEONG PARK / KOREA CANCER CENTER HOSPITAL 08:10-08:40 SANG HUN KO / ULSAN UNIV.•JIN YOUNG PARK / NEON ORTHOPEDIC CLINIC Thursday 17:20-17:30 Discussion Non-operative treatment for irreparable massive rotator cuff tears with tolerable pain and function: 08:10-08:15 129 the role of intact subscapularis and compensatory teres minor hypertrophy Reconstruction (K) 17:30-18:00 JI-SANG YOON / YONSEI UNIV. DAE GEUN JEON / KOREA CANCER CENTER HOSPITAL•WAN HYEONG CHO / KOREA CANCER CENTER HOSPITAL A Prospective Randomized Comparative Study of the Efficacy of Blind Suprascapular Nerve Block 17:30-17:35 125 Allograft Prosthesis Composite for the Proximal Tibial Reconstruction 08:15-08:20 130 for Pain Relief After Arthroscopic Rotator Cuff Repair HWAN SEONG CHO / SEOUL NATIONAL UNIV. SE JUNG HONG / KYUNG HEE UNIV. Survival, mode of failure, functional outcome of combined distal femur and proximal tibial tumor 17:35-17:40 126 The result of long term follow up at arthroscopic partial repair for massive irreparable rotator cuff prostheses replacement 08:20-08:25 131 tear using biceps long head auto graft SEUNG YONG LEE / KOREA CANCER CENTER HOSPITAL GIL YOUNG PARK / ULSAN UNIV. Clinical Outcome of Free Vascularized Fibular Graft for Reconstruction of Large Bone Defect after 17:40-17:45 127 Tumor Excision 08:25-08:30 132 Natural characteristics of rotator cuff disease in hypercholesterolemia patients YONGSUNG KIM / SEOUL NATIONAL UNIV. JONG PIL YOON / KYUNGPOOK NATIONAL UNIV.

17:45-17:50 128 The application of 3D printing technology in the pelvic bone tumor surgery 08:30-08:40 Discussion

JONG WOONG PARK / NATIONAL CANCER CENTER Rotator cuff 2 (K) 08:40-09:10 BYUNG ILL LEE / SOONCHUNHYANG UNIV.•SANG JIN SHIN / EWHA WOMANS UNIV. 17:50-18:00 Discussion 08:40-08:45 133 Application of Shear Wave Elastography to Estimate the Chronicity of Supraspinatus Tendon Tears

DONGHYUCK PARK / HANYANG UNIV.

The Natural Course and Risk Factors of Tear Progression in Conservatively Treated Full-thickness 08:45-08:50 134 Rotator Cuff Tears WHANIK JUNG / SEOUL NATIONAL UNIV.

Degree of rotator cuff healing according to critical shoulder angle after arthroscopic rotator cuff 08:50-08:55 135 repair YOUNG-KYOUNG MIN / INJE UNIV.

08:55-09:00 136 Comparison with critical shoulder angle measurement method by CT and X-ray (Grashey view)

YOUNG-KYOUNG MIN / INJE UNIV.

09:00-09:10 Discussion

Elbow 1 (E) 09:10-09:40 MIN JONG PARK /SUNGKYUNKWAN UNIV.•JUN GYU MOON / KOREA UNIV. 09:10-09:16 137 Arthroscopic Modified Bosworth for Refractory Tennis Elbow with Snapping

ERICA KHOLINNE / ST. CAROLUS HOSPITAL

09:16-09:22 138 CT Based staging system for elbow primary arthritis

JAEMAN KWAK / ULSAN UNIV.

42 43 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room B Thursday, October 18th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. A Comparison of Radiofrequency-Based Microtenotomy and Arthroscopic Release of the Extensor Comparison of Factors Related to Subjective Patient Satisfaction and Objective Surgical Failure 11:15-11:20 148 09:22-09:28 139 Carpi Radialis Brevis Tendon in Recalcitrant Lateral Epicondylitis: A Prospective Randomized after Arthroscopic Stabilization Procedure for Recurrent Anterior Shoulder Instability Controlled Study KYU-HO LEE / EWHA WOMANS UNIV. JAE HOO LEE / INJE UNIV. Comparison of Clinical and Radiographic outcomes: Vertical Simple Stitch versus Modified Mason- Thursday 11:20-11:25 149 09:28-09:40 Discussion Allen Stitch in Arthroscopic Bankart Repairs JUNHYUN KIM / NEON ORTHOPAEDIC CLINIC 09:40-10:10 Coffee Break Does anchor position on the glenoid affect the functional outcome after arthroscopic Bankart Rotator cuff 3 (K) 11:25-11:30 150 10:10-10:40 repair? SUNG JAE KIM / YONSEI SARANG HOSPITAL• JONG HUN JI / CATHOLIC UNIV. JUYONG PARK / NEON ORTHOPAEDIC CLINIC 10:10-10:15 140 Bursal-sided rotator cuff tears : Simple versus Everted type 11:30-11:40 Discussion HWAN JIN KIM / HALLYM UNIV. Arthritis & Arthroplasty (E) The prevalence and morphometric analysis of ossified superior transverse scapular ligaments in 11:40-12:10 10:15-10:20 141 JUNG-MAN KIM / ASAN CHUNGMU HOSPITAL•SUNG HUN MOON / KANGWON UNIV. patients with rotator cuff tears. Hemiarthroplasty With Standard Cementless Short Stem For The Treatment Of Osteoporotic JUNG-YOUN KIM /HALLYM UNIV. 11:40-11:45 151 Proximal Humerus Fractures In Elderly Patients : Clinical Study With Minimum 2 Years Follow Up New Paradigm for rotator cuff repair toward a remnant preservation for transtendinous tear with YON-SIK YOO / HALLYM UNIV. 10:20-10:25 142 remnant attached to foot print GIWON SEO / SOONCHUNHYANG UNIV. 11:45-11:50 152 The Short-term results of stemless shoulder arthroplasty : a prospective study MYUNG-JIN SUNG / CHONNAM NATIONAL UNIV. 10:25-10:30 143 The effect of initial mechanical support with absorbable sheet scaffold for rotator cuff healing Evaluation for the Range of Motion and Clinical Function according to the Humeral Component JONG PIL YOON / KYUNGPOOK NATIONAL UNIV. 11:50-11:55 153 Version after Reverse Total Shoulder Arthroplasty 10:30-10:40 Discussion CHUNGMU JUN / DAEGU CATHOLIC UNIV.

Instability 1 (K) Conversion of failed reverse total shoulder arthroplasty to hemiarthroplasty : Instability in three 10:40-11:10 11:55-12:00 154 JOONG BAE SEO / DANKOOK UNIV.•HYUN SEOK SONG / CATHOLIC UNIV. cases and glenoid loosening in three cases Risk factors for recurrence of anterior-inferior instability of the shoulder after arthroscopic Bankart DEUKHEE JUNG / SUN GENERAL HOSPITAL 10:40-10:46 144 repair in patients below 30 years of age 12:00-12:10 Discussion HYUNKYU YU / WONKWANG UNIV. 12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B) 10:46-10:52 145 How does the perianchor cyst change following arthroscopic labral repair using all-suture anchor ? 12:30-13:30 Lunch (Room A, Emerald A, B) JAEHOO LEE / INJE UNIV. Miscellaneous 1 (E) The availability of preoperative magnetic resonance image analysis for treatments of shoulder 13:30-14:00 10:52-10:58 146 CHANG HYUK CHOI / DAEGU CATHOLIC UNIV.•YANG SOO KIM / CATHOLIC UNIV. instability in elderly patients over 65 years old Inter-rater agreements among shoulder and elbow surgeons on the treatment options for KIHUN CHA / SUN GENERAL HOSPITAL 13:30-13:36 155 proximal humerus fractures 10:58-11:10 Discussion KYOUNG-HWAN KOH / ULSAN UNIV.

Instability 2 (E) Association between Fasting Glucose Levels and Frozen Shoulder in Normoglycemic Population : A 11:10-11:40 13:36-13:42 156 CHUL HYUN CHO / KEIMYUNG UNIV.•YONG MIN CHUN / YONSEI UNIV. Case-Control Study Does Creating a Trough on the Anterior Glenoid Rim Make a Difference in Arthroscopic Bankart JI-YONG GWARK / GYEONGSANG NATIONAL UNIV. 11:10-11:15 147 Repair Using Suture Anchors? A Mid-term Follow-up Study Evaluation of accuracy for 3-D printed patient-specific instrument glenoid guidance in total and 13:42-13:48 157 SEUNG BO SHIM / INCHEON NANOORI HOSPITAL reverse shoulder arthroplasty SUNG JU KANG / CHONNAM NATIONAL UNIV.

13:48-14:00 Discussion 44 45 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room B Thursday, October 18th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Korean version of Patient-rated tennis elbow evaluation questionnaire : Cross-cultural adaptation Basic 1 (E) 15:15-15:20 169 14:00-14:30 and validation HYUN CHUL JO / SEOUL NATIONAL UNIV.•JUNG HAN KIM / INJE UNIV. HYUN IL LEE / INJE UNIV. 14:00-14:05 158 Important of peak torque at initial angle (iPT) in evaluation of the supraspinatus function Thursday JIN HYUCK LEE / KOREA UNIV. 15:20-15:30 Discussion

15:30-16:00 Coffee Break 14:05-14:10 159 Pathomechanics of dynamic SSN impingement with in Vivo scapular motion Invited Lecture YON-SIK YOO / HALLYM UNIV. 16:00-16:30 YON-SIK YOO / HALLYM UNIV.•TAE-SOO PARK / HANYANG UNIV. Comparison Of Bone-Tendon Composite Auto-Graft With Primary Repair Of Tendon To Bone For 14:10-14:15 160 THE SHOULDER OF THE ATHLETE. DIFFERENCES WITH THE PITCHER´S SHOULDER. Chronic Rotator Cuff Tear In A Rat Model THE EUROPEAN EXPERIENCE. YUCHENG SUN / ULSAN UNIV. EMILIO LOPEZ-VIDRIERO / ISMEC. INTERNATIONAL SPORTS MEDICINE CLINIC. SEVILLA / SPAIN 14:15-14:20 161 Effect of a Poloxamer-based Thermosensitive Gel on Rotator Cuff Repair in a Rabbit Model Discussion KYUNG WOOK KIM / SEOUL NATIONAL UNIV. Rotator cuff 4 (E) 16:30-17:00 14:20-14:30 Discussion SANG-JIN SHIN / EWHA WOMANS UNIV.•MIN SOO SHON / NATIONAL MEDICAL CENTER Comparison of outcomes with arthroscopic repair of acute-on-chronic within 6 months and Basic 2 (K) 16:30-16:35 170 14:30-15:00 chronic rotator cuff tears JOO HAN OH / SEOUL NATIONAL UNIV.•KYOUNG HWAN KOH / ULSAN UNIV. JE EUN LEE / SUNGKYUNKWAN UNIV. The expression of matrix metalloproteinases on joint capsules in patients with frozen shoulder and 14:30-14:35 162 contracture rat model 16:35-16:40 171 All-Suture Type Anchor Fixation in Subpectoral Biceps Tenodesis : Single versus Double on-lay CHUNG-SHIN BEK / KEIMYUNG UNIV. KYUNGHAN RO / KYUNG HEE UNIV.

14:35-14:40 163 Contact mechanics of the radial head with respect to the capitellum of the humerus Administration of triamcinolone acetonide for pain control of rotator cuff disease : A prospective 16:40-16:45 172 BYONG OOK PARK / INJE UNIV. clinical trial comparison between glenohumeral joint and subacromial space injections SUN-WOOK HWANG / CATHOLIC UNIV. 14:40-14:45 164 Altered Gene and Protein Expressions by Smoking in Torn Rotator Cuff Tissues Effect Of Dexmedetomidine Combined With Suprascapular Nerve Block And Axillary Nerve Block YONG-SOO LEE / KONKUK UNIV. 16:45-16:50 173 In Arthroscopic Rotator Cuff Repair : A Randomized Controlled Trial Effect of Poly[E-caprolactone] scaffolds with adipose derived stem cell in rabbit chronic rotator cuff 14:45-14:50 165 GUNHYUN PARK / HALLYM UNIV. tear model SANG-UK LEE / CATHOLIC UNIV. 16:50-17:00 Discussion Rotator cuff 5 (E) 14:50-15:00 Discussion 17:00-17:30 YONG GIRL RHEE / KYUNG HEE UNIV.•SUNG WOOK CHOI / JEJU NATIONAL UNIV. Elbow 2 (K) 15:00-15:30 17:00-17:05 174 Posterior displacement of supraspinatus central tendon according to degrees of subscapularis tear IN HYEOK RHYOU / POHANG SM CHRISTIANITY HOSPITAL•TAE KANG LIM / EULJI UNIV. YOUNG-KYOUNG MIN / INJE UNIV. 15:00-15:05 166 Risk factors that influence subsequent recurrent instability in terrible triad injury of the elbow

SEONG WOOK YANG / SUNGKYUNKWAN UNIV. 17:05-17:10 175 The Hidden Biceps Long Head Instability and Concealed Intratendinous Subscapularis Tear (CIST) TAE WAN JUNG / SUNGKYUNKWAN UNIV. 15:05-15:10 167 All arthroscopic treatment for terrible triad: its proper indications and clinical outcomes Clinical Results of Arthroscopic En bloc repair in delaminated rotator cuff tear compared to non- HYUNTAK KANG / WONKWANG UNIV. 17:10-17:15 176 delaminated tear Outcomes following surgical treatment of radial head fracture, based on Charalambos 15:10-15:15 168 TAE WAN JUNG / SUNGKYUNKWAN UNIV. classification YOUNG JIN JUNG / KOREA UNIV.

46 47 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room B Thursday, October 18th Room C Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. 17:15-17:20 177 Accuracy of preoperative ultrasonography and MRI in the diagnosis of subscapularis tears 08:00-08:10 Opening Ceremony JIN HO JEON / KOREA UNIV. Forefoot 1 (K) 08:10-08:40 WOO CHUN LEE / DUBALO ORTHOPEDICS•KI WON YOUNG / EULJI UNIV.

17:20-17:30 Discussion Thursday Long-term clinical outcomes of unilateral versus bilateral simultaneous hallux valgus surgical Rotator cuff 6 (E) 08:10-08:16 182 17:30-18:00 correction YOUNG LAE MOON / CHOSUN UNIV.•YANG SOO KIM / CATHOLIC UNIV. TAE WOOK YOO / YONSEI GUNWOO HOSPITAL 17:30-17:35 178 Quality of the Repair Affects Outcomes after Rotator Cuff Repair Extended Distal Chevron Osteotomy Combined with Distal Soft Tissue Release for Treatment of 08:16-08:22 183 JIEUN PARK / SEOUL NATIONAL UNIV. Moderate to Severe Hallux Valgus

Accurate assessment of the supraspinatus muscle atrophy in patients with the supraspinatus HYUNG JUN JO / KONYANG UNIV. 17:35-17:40 179 tendon tear Rotational DCMO for correction of hallux valgus associated with metatarsus adductus and large 08:22-08:28 184 SANG-YOON PARK / INJE UNIV. DMAA BONG SEOK CHOI / CATHOLIC UNIV. 17:40-17:45 180 How long should we wait to create the proper chronic rotator cuff tear animal model in rabbit?

MOHAMED ATTIA ABDOU / CHONNAM NATIONAL UNIV. 08:28-08:40 Discussion

Effects of Anterior Disruption of Rotator Cable on Rotator Cuff Tears Combined with Full-Thickness Forefoot 2 (E) 17:45-17:50 181 08:40-09:10 Subscapularis Tears WOO CHUN LEE / DUBALO ORTHOPEDICS•KI WON YOUNG / EULJI UNIV. KYU-HAK JUNG / GACHON UNIV. Shortening proximal chevron metatarsal osteotomy for patients with a hallux valgus deformity 08:40-08:46 185 with advanced arthritis 17:50-18:00 Discussion JUN YOUNG CHOI / INJE UNIV.

08:46-08:52 186 What factors are correlated with the outcomes of accessory navicular excision?

SEONG CHEOL PARK / EULJI UNIV.

Hindfoot alignment changes after of distal tibial fracture : Comparing radiological 08:52-08:58 187 outcomes of Patients Treated With Standard Plating Versus Intramedullary Nailing WOOJIN YU / INJE UNIV.

08:58-09:10 Discussion

Midfoot (K) 09:10-09:40 KYOUNG DUCK KWAK / UNJEONG PAJU HEALTH CARE CENTER•JAE HOON AHN / CATHOLIC UNIV. 09:10-09:16 188 Effects of walking speeds and slopes on pedobarographic findings in young healthy adults

DONG-OOK KIM / SEOUL NATIONAL UNIV.

09:16-09:22 189 Factors affecting the outcome after conservative treatment for symptomatic accessory navicula

EUN SOO PARK / ULSAN UNIV.

09:22-09:28 190 Factors influencing the symptom related to naviculo-cuneiform coalition

DONG JOO LEE / INJE UNIV.

09:28-09:40 Discussion

09:40-10:10 Coffee Break

48 49 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room C Thursday, October 18th Room C Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Hindfoot (K) HINTEGRA Total Ankle Arthroplasty : Clinical and Radiographic Outcomes at a Mean of 5.6 Years 10:10-10:40 11:46-11:52 201 YONG WOOK PARK / BETHUNE SECOND HOSPITAL•KEUN BAE LEE / CHONNAM NATIONAL UNIV. in Consecutive 210 Osteoarthritic Ankles Treated by a Single Surgeon HONG-YEOL YANG / CHONNAM NATIONAL UNIV. 10:10-10:16 191 Radiologic changes in hindfoot alignment after supramalleolar osteotomy Comparison of Mid-Term Outcomes of Total Ankle Arthroplasty in Primary and Instability Thursday DAE-WOOK KIM / SUNGKYUNKWAN UNIV. 11:52-11:58 202 Osteoarthritis 10:16-10:22 192 Is Achilles tendon tightness associated with plantar fasciitis? GUN-WOO LEE / CHONNAM NATIONAL UNIV. HYUN JAE SUNG / KOREA UNIV. 11:58-12:10 Discussion 10:22-10:28 193 Outcomes of minimally invasive surgery in Sanders type IV calcaneus fracture 12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B) YOUNGWOOK KIM / CHOSUN UNIV. 12:30-13:30 Lunch (Room A, Emerald A, B) 10:28-10:40 Discussion Biomaterials/Scaffold (E) 13:30-14:00 Ankle Arthritis 1 (K) JIN WOO LEE / YONSEI UNIV.•YEON SOO LEE / DAEGU CATHOLIC UNIV. DEPARTMENT OF BIOMEDICAL ENGINEERING 10:40-11:10 YONG WOOK PARK / BETHUNE SECOND HOSPITAL•KEUN BAE LEE / CHONNAM NATIONAL UNIV. Recombinant human bone morphogenetic protein-2 loaded porous β-tricalcium phosphate 13:30-13:36 203 Novel radiographic view for imaging anterior and posterior side of ankle in ankle osteoarthritis: microsphere-hyaluronic acid composites promoted osseointegration around titanium implants 10:40-10:46 194 Ankle anterior view and Ankle posterior view. YUAN-ZHE JIN / SEOUL NATIONAL UNIV. JI-BEOM KIM / DUBALO ORTHOPAEDIC CLINIC 13:36-13:42 204 3D-Printed Dual-function Drug-laden Cage Scaffold System for Critical Bone Defect Relationship between direction of talar tilt in ankle arthritis and shape of the longitudinal arch of 10:46-10:52 195 YUAN-ZHE JIN / SEOUL NATIONAL UNIV. the foot WOO-CHUN LEE / DUBALO ORTHOPAEDIC CLINIC 13:42-13:48 205 The Effect of Local Administration of Parathyroid Hormone in the Rotator Cuff Tear Model JONG PIL YOON / KYUNGPOOK NATIONAL UNIV. 10:52-10:58 196 Changes in hindfoot alignment after high or low tibial osteotomy

JONG HUN PARK / INJE UNIV. 13:48-14:00 Discussion Biomechanics/Instrument 1 (E) 10:58-11:10 Discussion 14:00-14:30 JUNG HO PARK / KOREA UNIV.•CHOONG SOO SHIN / SOGANG UNIV. DEPARTMENT OF MECHANICAL ENGINEERING Ankle Arthritis 2 (K) 11:10-11:40 Computational biomechanical evaluation of syndesmotic screw fixation technique and identification SANG WOOK LEE / DAEGU CATHOLIC UNIV.•HONG GEUN JUNG / KONKUK UNIV. 14:00-14:06 206 of optimized surgical plan Is Modified-Broström Procedure and Arthroscopic Debridement a Viable Option for Medial Gutter 11:10-11:16 197 TAE SIK GOH / PUSAN NATIONAL UNIV. Osteoarthritis Combined with Chronic Ankle Instability ? MIN-YONG AN / CHUNGBUK NATIONAL UNIV. 14:06-14:12 207 A novel use of QR code in orthosis application after orthopaedic surgery.

11:16-11:22 198 Joint preservation surgery using tibialis posterior transfer in varus ankle arthritis with large talar tilt TAE-HONG MIN / SOONCHUNHYANG UNIV.

WOO-CHUN LEE / DUBALO ORTHOPAEDIC CLINIC 14:12-14:18 208 Patient-Specific Instruments as an alternative to surgical navigation

Clinical and radiological outcomes of supra-malleolar Tibio-fibular osteotomy for medial JAEYEONG PARK / KYUNGPOOK NATIONAL UNIV. 11:22-11:28 199 compartment ankle osteoarthritis 14:18-14:30 Discussion SUNG JIN KANG / KONKUK UNIV.

11:28-11:40 Discussion

Ankle Arthritis 3 (K) 11:40-12:10 SANG WOOK LEE / DAEGU CATHOLIC UNIV.•HONG GEUN JUNG / KONKUK UNIV. 11:40-11:46 200 Usefulness of nonoperative treatment for degenerative ankle osteoarthritis

CHANSOO LEE / DONG-A UNIV.

50 51 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room C Thursday, October 18th Room C Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Gait kinematics during stair ascent in healthy young individuals : rotational and translational Osteoporosis/Bone (E) 16:35-16:40 215 14:30-15:00 movement of the knee joint BYUNG WOO MIN / KEIMYUNG UNIV.•SEONG HWAN MOON / YONSEI UNIV. YONG HAN CHA / EULJI UNIV. Systemic effect of intraperitoneal administration of taurourso-deoxycholic acid (TUDCA) in an 14:30-14:36 209 Thursday animal osteoporosis model 16:40-16:45 216 Effect of metallic tools on scattered radiation dose during intraoperative use of C-arm fluoroscopy TAE KEUN AHN / CHA UNIV. BYEONG-SEOP PARK / SEOUL NATIONAL UNIV. From Systematic Review to the Development of a Clinically Relevant Osteoporotic Metaphyseal 14:36-14:42 Comparison of radiofrequency exposure of major organs between mobile CBCT and MDCT in Fracture Animal Model for Bone Healing Enhancement Mechanistic Studies 16:45-16:50 217 hand and foot WONG, RONALD MAN YEUNG / PRINCE OF WALES HOSPITAL / HONG KONG DAEJIN NAM / WONKWANG UNIV. Surface immobilization of biphasic calcium phosphate nanoparticles on 3D printed 14:42-14:48 210 poly(caprolactone) scaffolds enhances osteogenesis and bone tissue regeneration 16:50-17:00 Discussion MI HYUN SONG / KOREA UNIV. Cell/Muscle (K) 17:00-17:30 BYOUNG HYUN MIN / AJOU UNIV.•JUNG RYUL KIM / CHONBUK NATIONAL UNIV. 14:48-15:00 Discussion Culture of Human Primary Muscle Cell and Establishment Cell Line using Debrided Muscles in 17:00-17:06 218 Invited Lecture Patients with Lumbar Spinal Surgeries 15:00-15:30 SUNG-JAE LEE / INJE UNIV. BIOMEDICAL ENGNEERING•GUN IL IM / DONGGUK UNIVERSITY MEDICAL CENTER JINHYUN BAE / EULJI UNIV.

15:00-15:20 Early stage knee osteoarthritis : How it is proceeded? Optimal Composition of TGF-β1 Transduced and Non-transduced Chondrocytes and Atelocollagen 17:06-17:12 219 MUNEAKI ISHIJIMA / JUNTENDO UNIVERSITY / JAPAN Mixture for Single Stage Arthroscopic Cartilage Repair Technique JIYONG AHN / CATHOLIC UNIV. 15:20-15:30 Discussion 17:12-17:18 220 New Skeletal Muscle Mass Index in Diagnosis of Sarcopenia 15:30-16:00 Coffee Break JEONG JAE MOON / YEUNGNAM UNIV. Miscellaneous (E) 16:00-16:30 HEE JOONG KIM / SEOUL NATIONAL UNIV.•SANG SOO LEE / HALLYM UNIV. 17:18-17:30 Discussion Effect of Bone Morphogenetic Protein-2 on Bioabsorbable Magnesium Screw in Rabbit Femur 16:00-16:06 211 Miscellaneous/Drug (K) Model 17:30-18:00 SHIN YOON KIM / KYUNGPOOK NATIONAL UNIV.•YANG GUK CHUNG / CATHOLIC UNIV. LE HOANG NAM DANG / CHONBUK NATIONAL UNIV. Comparative safety and effectiveness of alendronate versus raloxifene in women with osteoporosis 17:30-17:35 221 Muscle mass measurements for diagnosing sarcopenia present significant discrepancies depending - Multi-center study using common data model 16:06-16:12 212 on the commercial dual energy X-ray absorptiometry device used : comparison between the GE YEESUK KIM / HANYANG UNIV. Lunar and Hologic systems The lncRNA, Nespas, Is Associated with Osteoarthritis Progression and Serves as a Potential New JUN-KU LEE / INJE UNIV. 17:35-17:40 222 Prognostic Biomarker. The Accuracy of the Synovasure Lateral Flow Assay for Diagnosing Prosthetic Joint Infections in an CHURL HONG CHUN / WONKWANG UNIV. 16:12-16:18 213 Asian Population Effect of discontinuous low dose FK506 administration on motor recovery after cryopreserved BENJAMIN DING / TAN TOCK SENG HOSPITAL / SINGAPORE 17:40-17:45 223 nerve allograft 16:18-16:30 Discussion JI-WON KIM / DANKOOK UNIV.

Biomechanics/Instrument 2 (K) 17:45-17:50 224 Pharmacologically targeting beta-catenin to rejuvenate fracture healing in mice 16:30-17:00 SOON HYUCK LEE / KOREA UNIV.•SEUNG BUM KOO / KAIST HYUNG-MIN LEE / HALLYM UNIV. 16:30-16:35 214 Evaluation of Relationship between Gait Deviation Index and Knee Osteoarthritis 17:50-18:00 Discussion HYUCK SOO SHIN / CM HOSPITAL

52 53 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Diamond Thursday, October 18th Room Diamond Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. 08:00-08:10 Opening Ceremony 11:25-11:40 9 Congenital Scoliosis The Korean Musculoskeletal Tissue Transplantation Society SUNG-SOO KIM / INJE UNIV. 08:10-09:10 Basics in bone and soft tissue transplantation SOO JAE YIM / SOONCHUNHYANG UNIV.

11:40-11:55 10 Adult Spinal Deformity Thursday

08:10-08:22 1 Sterilization and storage of allograft JUNG-HEE LEE / KYUNG HEE UNIV. JIN YOUNG JEONG / CATHOLIC UNIV. 11:55-12:10 Discussion 08:22-08:34 2 Auto-, allo-bone graft 12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B) DONG HUN SUH / KOREA UNIV. 12:30-13:30 Lunch (Room A, Emerald A, B) 08:34-08:46 3 Synthetic bone graft substitute ASAMI YOUNG SOO CHUN / KYUNG HEE UNIV. 13:30-14:30 Deformity Correction - Advanced Techniques HAE-RYONG SONG / KOREA UNIV.

08:46-08:58 4 Soft tissue graft 13:30-13:43 11 Deformity Correction by Conventional Ilizarov system

YOUNG JIN SEO / HALLYM UNIV. JAE HO CHO / AJOU UNIV.

08:58-09:10 Discussion 13:43-13:56 12 Deformity Correction by Computer-assisted EF system Thesis Lecture for Residents HOON PARK / YONSEI UNIV. 09:10-09:40 SUNG-TAEK JUNG / CHONNAM NATIONAL UNIV. 13:56-14:09 13 Deformity Correction by Internal Fixation system 09:10-09:30 How to write a paper easily MI HYUN SONG / KOREA UNIV. DAE GEUN JEON / KOREA CANCER CENTER HOSPITAL 14:09-14:22 14 Mind Boggling Deformities : From Challenge to Opportunities 09:30-09:40 Discussion MOFAKHKHARUL BARI / BARI ILIZAROV ORTHOPEDIC CENTER / BANGLADESH 09:40-10:10 Coffee Break 14:22-14:30 Discussion Korean Orthopaedic Research Society The Korean Musculoskeletal Tumor Society 10:10-11:10 Biomechanics of Arthroplasty 14:30-15:30 Musculoskeletal Problems in Cancer Patients SUNG JAE LEE / INJE UNIV. BIOMEDICAL ENGNEERING•HYUK-SOO HAN / SEOUL NATIONAL UNIV. JUNG RYUL KIM / CHONBUK NATIONAL UNIV. 10:10-10:25 5 Hip 14:30-14:47 15 Musculoskeletal problems in cancer patients/survivors YOUNG KYUN LEE / SEOUL NATIONAL UNIV. EUN SEOK CHOI / CHUNGNAM NATIONAL UNIV. 10:25-10:40 6 Knee 14:47-15:04 16 Understanding bone metastases : Implications for patient management CHOONG SOO SHIN / SOGANG UNIV. HWAN SEONG CHO / SEOUL NATIONAL UNIV. 10:40-10:55 7 Shoulder 15:04-15:21 17 Treating patients with bone metastases SANG-JIN SHIN / EWHA WOMANS UNIV. JUNE HYUK KIM / NATIONAL CANCER CENTER 10:55:11:10 Discussion 15:21-15:30 Discussion Korean Society of Spine Surgery 11:10-12:10 15:30-16:00 Coffee Break Deformity EUNG-HA KIM / SOONCHUNHYANG UNIV. 11:10-11:25 8 Adolescent Idiopathic Scoliosis

CHANG JU HWANG / ULSAN UNIV.

54 55 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Diamond Thursday, October 18th Room B-1 Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. The Korean Society of Osteoporosis 08:00-08:10 Opening Ceremony 16:00-17:00 Osteoporosis YE SOO PARK / HANYANG UNIV. Pediatric 1 16:00-16:20 18 Evolution of osteoporosis treatment : History and medical treatment 08:40-09:40 Pediatric & adolescent sports injury - lower extremity Thursday HUN-KYU SHIN / SUNGKYUNKWAN UNIV. CHANG HOON JEONG / CATHOLIC UNIV. 08:40-08:55 Patellar instability in children and adolescents 16:20-16:40 19 Issues related to osteoporotic spinal fractures MOHAMMAD ASHIK ZAINUDDIN / KK WOMEN'S AND CHILDREN'S HOSPITAL / SINGAPORE DEUK SOO JUN / GACHON UNIV. 08:55-09:10 Meniscal Injuries in Adolescent Patients with Anterior Cruciate Ligament Tear 16:40-17:00 20 Issues related to osteoporotic hip fractures HSUAN-KAI KAO / CHANG GUNG MEMORIAL HOSPITAL AT LINKOU / TAIWAN KEE HYUNG RHYU / KYUNG HEE UNIV. Pediatric Orthopedic Foot Disease Requiring Differentiation from Foot Sports Disorder in Growth The Korean Knee Society 09:10-09:25 17:00-18:00 Period Total Knee Arthroplasty SEUNG SUK SEO / BUMIN HOSPITAL KATSUAKI TAIRA / SAITAMA CHILDREN'S MEDICAL CENTER / JAPAN 17:00-17:13 21 Knee prosthesis and Biomechanics 09:25-09:40 Discussion GUAN GYU PARK / YONSEI UNIV. 09:40-10:10 Coffee Break 17:13-17:26 22 Alignment and Bone cutting Pediatric 2 YONG SEUK LEE / SEOUL NATIONAL UNIV. 10:10-11:10 Selected topics in neuromuscular diseases HYUN WOO KIM / YONSEI UNIV.

17:26-17:39 23 Deformity correction and Ligament balancing 10:10-10:25 Treatment of neuromuscular spinal deformities

HAN JUN LEE / CHUNGANG UNIV. ZAID AL AUBAIDI / BURJEEL HOSPITAL / UNITED ARAB EMIRATES

17:39-17:52 24 Complications of Total Knee Arthroplasty 10:25-10:40 Shoulder muscle transfer and Glenoid osteotomy in Birth brachial plexus injury

YOUNG WAN MOON / SUNGKYUNKWAN UNIV. CHASANAL RATHOD / MAHATMA GANDHI INSTITUTE OF MEDICAL SCIENCES / INDIA

17:52-18:00 Discussion 10:40-10:55 Treatment strategies for Arthrogryopis Multiplex Congenita

JAVED IQBAL / THE CHILDREN‘S HOSPITAL, LAHORE / PAKISTAN

10:55-11:10 Discussion Orthopaedic Research 11:10-12:10 Biomechanical studies with cadaver experiment

SUNG-JAE LEE / INJE UNIV.•YANG SOO KIM / CATHOLIC UNIV. 11:10-11:22 Recent Topics of Anterior Dislocation of the Shoulder : From the Viewpoint of Biomechanics

NOBUYUKI YAMAMOTO / TOHOKU UNIVERSITY SCHOOL OF MEDICINE / JAPAN

11:22-11:34 Use of cadaveric material in spinal research. Plus points and Pitfalls

RICHARD M HALL / ENGINEERING FACULTY OF ENGINEERING UNIVERSITY OF LEEDS / U.K.

Biomechanical study of screw fixation and plate fixation of a posterior malleolar fracture in a 11:34-11:46 simulation of the normal gait cycle MA XIN / FUDAN UNIVERSITY / CHINA

56 57 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room B-1 Thursday, October 18th Room B-1 Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. 11:46-11:58 Knee contact force estimation using dynamics simulation 16:12-16:18 277 The risk factor of peroperative deep vein thrombosis in total knee arthroplasty

SEUNG BEOM KOO / KAIST / KOREA HYEONG UK CHOI / KEIMYUNG UNIV.

11:58-12:10 Discussion 16:18-16:30 Discussion Thursday

12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B) 16:30-17:00 Others (K) HYOUNG SOO KIM / MYONGJI HOSPITAL•EUI SUNG CHOI / CHONBUK NATIONAL UNIV. High fibular osteotomy (HFO) and cartilage regeneration procedure for medial compartment 12:30-13:30 Lunch (Room A, Emerald A, B) 16:30-16:36 228 osteoarthritis of knee with varus deformity Musculoskeletal tumors 13:30-14:30 SEOK JUNG KIM / CATHOLIC UNIV. Asian Young Investigators' Session on Orthopedic Oncology SO HAK CHUNG / KOSIN UNIV. Set-up of clinical network in Nagoya Unoversity Hospital for patients with neurofibromatosis type 1 16:36-16:42 229 Arthroscopic gel-type autologous chondrocyte implantation: a prospective two year follow-up 13:30-13:50 - Surveillance of patients with the risk of MPNST TAE-HWAN YOON / YONSEI UNIV. KUNIHIRO IKUTA / NAGOYA UNIVERSITY GRADUATE SCHOOL OF MEDICINE / JAPAN 16:42-16:48 230 Clinical feature of the ‘windswept knee injury’

13:50-14:10 Management of NF1 related MPNST JEONG BONG KIM / GACHON UNIV. JUNJI WASA / SHIZUOKA CANCER CENTER HOSPITAL / JAPAN 16:48-17:00 Discussion 14:10-14:30 Limb sparing surgery for bone and soft-tissue tumor: Lerdsin Hospital experience

PIYA KIATISEVI / LERDSIN HOSPITAL / THAILAND

Ultrasonography in Orthopaedics 14:30-15:30 What's New CHANG HYUK CHOI / DAEGU CATHOLIC UNIV.•JAE HOON AHN / CATHOLIC UNIV.

14:30-14:42 Shoulder

BONG GUN LEE / HANYANG UNIV. / KOREA

14:42-14:54 Hand and wrist

HYUN IL LEE / INJE UNIV. / KOREA

14:54-15:06 Sports injury of Foot and ankle

JUN SASAHARA / TEIKYO UNIV. / JAPAN

15:06-15:18 Beyond Gray-scale Ultrasonography with New Technology

WOONG-KYO JEONG / KOREA UNIV. / KOREA

15:18-15:30 Discussion

16:00-16:30 TKA 9 (K) HYOUNG SOO KIM / MYONGJI HOSPITAL•EUI SUNG CHOI / CHONBUK NATIONAL UNIV. Effect of povidone-iodine wound irrigation on intraoperative wound contamination in total knee 16:00-16:06 225 arthroplasty KWANG MIN SONG / YONSEI UNIV.

16:06-16:12 226 Long-Term Outcomes of Gender-Specific and Single-Radius Total Knee Arthroplasty in Asian

GI BEOM KIM / KYUNG HEE UNIV.

58 59 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room C-1 Thursday, October 18th Room C-1 Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No.

08:40-09:10 Trauma 1 (K) YOUNG KYU KIM / GACHON UNIV.•JUNG HO PARK / KOREA UNIV. Shoulder & Elbow 2 11:10-12:10 Closed humeral head elevating technique through rotator interval for valgus impacted 3- or 4-part SANG-JIN SHIN / EWHA WOMANS UNIV. 08:40-08:45 231 comminuted proximal humeral fracture 11:10-11:25 Irreparable cuff tears Thursday JUNG-JUN HONG / YONSEI UNIV. KANCHAN BHATTACHARYYA / CALCUTTA MEDICAL RESEARCH INSTITUTE, AMRI HOSPITALS / INDIA

08:45-08:50 232 Surgical Trends for Proximal Humeral Fractures in South Korea The effects of glenosphere tilting, inferior displacement and humeral component retroversion on 11:25-11:40 YOUNG-HOON JO / SUNGMIN HOSPITAL the range of motion and impingement after reverse total shoulder arthroplasty. PRINCE SHANAVAS KHAN / ASTER MIMS / INDIA Analysis of the treatment outcome using fibular strut allograft augmentation with locking plate 08:50-08:55 233 fixation for unstable proximal humeral fracture 11:40-11:55 Arthroscopic treatment of radial head fractures

SEONG HYUN KANG / KOREA UNIV. CHISTIAN GONZALEZ JOFRE / UNIVERSITY OF VALPARAISO PRE / CHILE Comparison of greater tuberosity fracture of humerus according to the shoulder dislocation: 08:55-09:00 234 11:55-12:10 Discussion clinical and radiologic evaluation SEHOON JUNG / CATHOLIC UNIV. 12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B)

12:30-13:30 09:00-09:10 Discussion Lunch (Room A, Emerald A, B) Shoulder & Elbow 3 09:10-09:40 Trauma 2 (E) BONG GUN LEE / HANYANG UNIV.•WOONG KYO JEONG / KOREA UNIV. 13:30-14:30 HYUN SEOK SONG / CATHOLIC UNIV. Effect of a Surgical-Site, Multimodal Drug Injection on Pain and Stress Biomarkers in Patients 09:10-09:15 235 Undergoing Plate Fixation for clavicle Fractures 13:30-13:45 Bilayer Electrospun Scaffolds with Controlled Drug Release for Rotator Cuff Tendon-Bone Healing JAE-SUNG YOO / DANKOOK UNIV. LUNING SUN / JIANGSU PROVINCE HOSPITAL OF TCM / CHINA

09:15-09:20 236 Three-dimensional analysis of displacement patterns for lateral clavicle fractures 13:45-14:00 3D measurement of subacromial space volume, a new idea

JAE-WON JUNG / KEIMYUNG UNIV. MOUSTAFA ISMAIL IBRAHIM ELSAYED / SOHAG UNIV./ EGYPT

09:20-09:25 237 Relation of the clavicle shortening in 3D space and position of scapula in clavicle fracture 14:00-14:15 Utilization of National Insurance Database in Orthopaedic Research, Taiwan’s experience

HYUNG-WON SEO / INJE UNIV. LIANG-TSENG KUO​ / CHANG GUNG MEMORIAL HOSPITAL / TAIWAN

09:25-09:30 238 The usefulness of Arthroscopic treatment in the healed proximal humerus fracture using the plate 14:15-14:30 Discussion WON-HA HWANG / CATHOLIC UNIV. ASAMI 14:30-15:30 External fixator in special conditions 09:30-09:40 Discussion SUNG-TAEK JUNG / CHONNAM NATIONAL UNIV.•TAE JOON CHO / SEOUL NATIONAL UNIV. 09:40-10:10 Coffee Break Reconstruction of segmental bone defects due to osteomyelitis using Masquelet technique with 14:30-14:43 Shoulder & Elbow 1 external fixator 10:10-11:10 YONG GIRL RHEE / KYUNG HEE UNIV. XIN ZENGFENG / ZHEJIANG UNIVERSITY / CHINA

10:10-10:25 Recent Topics Related to Suture Anchors Used in Rotator Cuff Repair 14:43-14:56 External fixator in Skeletal dysplasia

NOBUYUKI YAMAMOTO / TOHOKU UNIVERSITY / JAPAN MICHAEL TO / THE UNIVERSITY OF HONG KONG / HONG KONG

10:25-10:40 Managing Massive cuff tear with Frozen shoulder : Staged versus All-in-One? 14:56-15:09 External fixator in Complex deformities of foot

YUNG SHU HANG PATRICK / THE CHINESE UNIVERSITY OF HONG KONG / HONG KONG MOFAKHKHARUL BARI / BARI ILIZAROV ORTHOPEDIC CENTER / BANGLADESH Acute traumatic massive retracted full thickness (drop arm) cuff tear : arthroscopic double row 10:40-10:55 15:09-15:22 Decreasing the complications of external fixation by new device repair MUKESH LADDHA / NAGPUR, MAHARASHTRA / INDIA YOSHINOBU OKA / KYOTO PREFECTURAL UNIVERSITY OF MEDICINE / JAPAN

10:55-11:10 Discussion 15:22-15:30 Discussion 60 61 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room C-1 Friday, October 19th Room Emerald A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Hip Fracture1 : Epidemiology (K) TKA5 (E) 16:00-16:30 08:00-08:30 JONG OH KIM / EWHA WOMANS UNIV.•YOUNG SOO CHUN / KYUNG HEE UNIV. SEUNG SUK SEO / BUMIN HOSPITAL BUSAN•JAE DOO YOO / EWHA WOMANS UNIV. Effect of Menopausal Hormone Therapy versus Bisphosphonate on Fracture Recurrence after Hip 16:00-16:06 239 08:00-08:06 247 What Factors Predict Patient Dissatisfaction after Contemporary Revision Total Knee Arthroplasty? Fracture Surgery in Postmenopausal Korean Women: A Randomized, Open-label Trial MAN SOO KIM / CATHOLIC UNIV. CHAN WOO PARK / SUNGKYUNKWAN UNIV. Comparison of using Trabecular metal cones and femoral head allografts for large bone defect in Analysis on risk factors of hip joint fracture in over 65 years old healthy elders based on sample 08:06-08:12 248 16:06-16:12 240 revision TKA cohort 2.0 database of National Health Insurance Corporation (NHIC)

KEUN CHURL CHUN / WONKWANG UNIV. / Friday JISU PARK / YONSEI UNIV. Thursday Comparison the controlled and uncontrolled periprosthetic joint infection after primary total knee 08:12-08:18 249 16:12-16:18 241 Acute cholecystitis in elderly patients after hip fracture : A nationwide cohort study arthroplasty treated with 2 staged reimplantation YONG HAN CHA / EULJI UNIV. HYEONG UK CHOI / KEIMYUNG UNIV.

16:18-16:30 Discussion 08:18-08:30 Discussion Hip Fracture2 : Perioperative Management (K) Misc (E) 16:30-17:00 08:30-09:00 KYOUNG HO MOON / INHA UNIV.•JONG SEOK PARK / SOONCHUNHYANG UNIV. SEUNG SUK SEO / BUMIN HOSPITAL BUSAN•JAE DOO YOO / EWHA WOMANS UNIV. 16:30-16:36 242 Usage of Chewing Gum in elderly patient with hip fracture 08:30-08:36 250 Knee Osteoarthritis Can be Accurately Diagnosed by Gait Analysis Using Machine Learning.

SANG-YOON SONG / GYEONGSANG NATIONAL UNIV. MIN KU SONG / SEOUL NATIONAL UNIV.

16:36-16:42 243 Does femoral nerve block for hip fracture patients reduce postoperative delirium? Coffee consumption was associated with significantly reduced risk of radiographic knee 08:36-08:42 251 osteoarthritis in women : A cross-sectional study using the Fifth Korea National Health and HYUN TAK KANG / WONKWANG UNIV. Nutrition Examination Survey (KNHANES V-1, 2) 16:42-16:48 244 Venous thromboembolism following delayed surgery of a hip fracture JI HOON HAN / KOREA UNIV.

SHIN SEOK KIM / ULSAN UNIV. 08:42-08:48 252 Quantitative Assessment of Pivot Shift Test Using Smartphone

16:48-17:00 Discussion MIN KU SONG / SEOUL NATIONAL UNIV.

Hip Fracture3 : Perioperative Management (E) 08:48-09:00 Discussion 17:00-17:30 SOON YONG KWON / CATHOLIC UNIV.•KEE HYUNG RHYU / KYUNG HEE UNIV. UKA (K) High Energy Injury is a Risk Factor for Preoperative Venous Thromboembolism in the Patients with 09:00-09:30 17:00-17:06 245 JU O KIM / VETERANS HOSPITAL•MOO-HO SONG / DONG-EUI MEDICAL CENTER Hip Fractures : A Prospective Observational Study Recovery Pattern and Participation in Recreational and Sports Activities Following NAM HOON MOON / PUSAN NATIONAL UNIV. 09:00-09:06 253 Unicompartmental Knee Arthroplasty and High Tibial Osteotomy 17:06-17:12 Dual Antiplatelet Medication and Timing of Hip Fracture Surgery MAN SOO KIM / CATHOLIC UNIV.

SETH TARRANT / NEW SOUTH WALES HEALTH / AUSTRALIA Can we extend the indication for medial unicompartmental knee arthroplasty to patients with a 09:06-09:12 254 ligamentous deficiency? Finite element analysis study in normal and varus knee patients Early postoperative hypoalbuminemia is a risk factor for postoperative acute kidney injury following 17:12-17:18 246 hip fracture surgery KWAN KYU PARK / YONSEI UNIV.

KYUN HO SHIN / KOREA UNIV. 09:12-09:18 255 Should the position of tibia component be all the same in medial unicompartmental knee

17:18-17:30 Discussion SUHAN LIM / YONSEI UNIV.

09:18-09:30 Discussion

09:30-10:00 Coffee Break

62 63 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Emerald A Friday, October 19th Room Emerald A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. TKA6 (E) Patella (K) 10:00-10:30 11:30-12:00 YE YEON WON / AJOU UNIV.•JU HYUNG YOO / NHIS ILSAN HOSPITAL CHURL HONG CHUN / WONKWANG UNIV.•KWANG JUN OH / SUNGMIN HOSPITAL Objective Quantification of Ligament Balancing using VERASENSE in Measured Resection and 10:00-10:06 256 11:30-11:36 266 3D CT measurement of TT-TG distance in Recurrent Patellar Dislocation Modified Gap Balance Total Knee Arthroplasty MYUNGJIN SHIN / INJE UNIV. WOO JONG KIM / CHONNAM NATIONAL UNIV. 11:36-11:42 267 Which Technique is Better for Treating Patellar Dislocation : A Systematic Review and Meta-Analysis Does Kinematically Aligned Total Knee Arthroplsaty Restore Knee Motion and Stability More 10:06-10:12 257 Physiologically than Mechanically Aligned Total Knee Arthroplsaty? DONG YEONG LEE / ARMED FORCES DAEGU HOSPITAL Friday IN JUN KOH / CATHOLIC UNIV. The Clinical Outcome of Multiple Ligament Reconstruction in Knee Dislocation at 3-10 Years 11:42-11:48 268 Follow-up : Comparison between Early versus Delayed Operation. 10:12-10:18 258 Does Joint Line Preservation Affect Mid-flexion Rollback and Stability ? SEONG IN LEE / WONKWANG UNIV. IN JUN KOH / CATHOLIC UNIV. 11:48-12:00 Discussion 10:18-10:30 Discussion 12:00-12:20 TKA7 (E) Lunchoen Symposium : Mundipharma Korea Ltd. 10:30-11:00 YE YEON WON / AJOU UNIV.•JU HYUNG YOO / NHIS ILSAN HOSPITAL 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) Revisional Unicompartmental Knee Arthroplasty to Total Knee Arthroplasty Versus Primary Total 10:30-10:36 259 13:30-14:00 Presentation of Scientific Award Paper (Room A) Knee Arthroplasty -Systematic Review and Meta-Analysis of Comparative Studies JAE-HYUK YANG / HANYANG UNIV. 14:00-14:30 President Lecture (Room A)

Is Oxford medial unicompartmental knee arthroplasty not appropriate for the Asian population? : ACL 3 (K) 10:36-10:42 260 14:30-15:00 in terms of bearing dislocation. MYUNG CHUL LEE / SEOUL NATIONAL UNIV.•JIN GOO KIM / KONKUK UNIV. MOO-HO SONG / DONG-EUI MEDICAL CENTER Stress Radiographs for Diagnosis of Anterolateral Rotatory Instability in Anterior Cruciate Ligament- 14:30-14:36 269 Deficient Knees The result of allogenic bone graft for primary total knee arthroplasty in patients with severe varus 10:42-10:48 261 deformity KWANG-JIN CHUN / CHUNG-ANG UNIV. KEUN CHURL CHUN / WONKWANG UNIV. Assessment of anterolateral ligament of the knee undergoing ACL reconstruction : primary versus 14:36-14:42 270 revision 10:48-11:00 Discussion DONG WHAN SUH / SEOUL NATIONAL UNIV. TKA8 & Other (K) 11:00-11:30 The Clinical outcome of acute complete medial collateral ligament injury combined with anterior 14:42-14:48 271 CHURL HONG CHUN / WONKWANG UNIV.•KWANG JUN OH / SUNGMIN HOSPITAL cruciate ligament rupture Short-term outcome of total knee arthroplasty using personalized anatomic implant : minimum 11:00-11:06 262 JI UK CHOI / GACHON UNIV. 2-year follow-up results DONG JIN RYU / INHA UNIV. 14:48-15:00 Discussion

Robot-assisted Total Knee Arthroplasty Does Not Improve Clinical and Radiologic Long-Term ACL 4 (K) 11:06-11:12 263 15:00-15:30 Outcomes MYUNG CHUL LEE / SEOUL NATIONAL UNIV.• JIN GOO KIM / KONKUK UNIV. SANG-WOO JEON / KYUNG HEE UNIV. Radiologic and Clinical Outcome after Hamstring Anterior Cruciate Ligament Reconstruction using 15:00-15:06 272 an Adjustable-Loop Cortical Suspension Device with Retensioning and Knot Tying 11:12-11:18 264 Machine Learning Principles Can Improve Prediction of Septic Arthritis of Knee SEONG CHEOL PARK / EULJI UNIV. EUN SEOK CHOI / CHUNGNAM UNIV. Comparison of clinical and radiological outcomes and second-look arthroscopic findings after 11:18-11:24 265 The Tegner Activity Level & Marx Activity Level in South Korean with Normal Population 15:06-15:12 273 anterior cruciate ligament reconstruction using fixed and adjustable loop cortical suspension devices JUNGWON HAN / SUNGKYUNKWAN UNIV. HYEON WOOK AHN / CHONNAM NATIONAL UNIV. 11:24-11:30 Discussion

64 65 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Emerald A Friday, October 19th Room Emerald A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Does remnant preservation affect the widening of the tibial tunnel in ACL reconstruction using Kinematic analysis of knee joint in sitting-standing motion using biplane fluoroscopy in 15:12-15:18 274 17:12-17:18 283 auto-hamstring graft? osteoarthritic knee undergoing the medial opening wedge high tibial osteotomy CHAN-MYOUNG WOO / YONSEI UNIV. HYO-JONG NAM / HAEUNDAE BUMIN HOSPITAL

15:18-15:30 Discussion 17:18-17:30 Discussion

15:30-16:00 Coffee Break Osteotomy 2 (K) 17:30-18:00 ACL 5 (K) SE HYUN CHO / BAIK MEDICAL CENTER•KYUNG WOOK NHA / INJE UNIV. 16:00-16:30 Survival Analysis of Medial Open Wedge High Tibial Osteotomy for Unicompartment Knee Friday HWA JAE JEONG / SUNGKYUNKWAN UNIV.•HAN JUN LEE / CHUNG-ANG UNIV. 17:30-17:36 284 Osteoarthritis One-stage revision anterior cruciate ligament reconstruction based on preoperative bone tunnel 16:00-16:06 275 diameter size : 5 to 15 year follow-up HYEON WOOK AHN / CHONNAM NATIONAL UNIV. EUNG JU KIM / KYUNG-HEE UNIV. Lateral Hinge Fracture Does Not Affect Osteotomy Gap Filling After Medial Opening-wedge High 17:36-17:42 285 Tibial Osteotomy Using Locking Plate System 16:06-16:12 276 Predictive Factors of Graft Failure in Trans-Tibial Anterior Cruciate Ligament Reconstruction JAE-HYUK CHOI / KOREA UNIV. DONG-HYUN KIM / CHUNG-ANG UNIV. Surgical Treatment With Closing-Wedge Distal Femoral Osteotomy for Recurrent Patellar 17:42-17:48 286 16:12-16:18 277 Increased Lateral Tibial Posterior Slope Is Associated With Acute Anterior Cruciate Ligament Injury Dislocation With Genu Valgum

JOUNG YOUP SHIN / SEOUL NATIONAL UNIV. YOUNGJUN NAM / INJE UNIV.

16:18-16:30 Discussion 17:48-18:00 Discussion ACL / PCL (K) 16:30-17:00 HWA JAE JEONG / SUNGKYUNKWAN UNIV.•HAN JUN LEE / CHUNG-ANG UNIV. Kinematic Compensation in Chronic Anterior Cruciate Ligament Deficiency during Ground and 16:30-16:36 278 Stair up Gait SANG HA KIM / EULJI UNIV.

The role of isolated posterior cruciate ligament reconstruction in knees with combined posterior 16:36-16:42 279 cruciate ligament and posterolateral complex injury DONG YEONG LEE / ARMED FORCES DAEGU HOSPITAL

Posterior Cruciate Ligament Reconstruction Using Transtibial or Tibial Inlay Techniques : A Meta- 16:42-16:48 280 Analysis of Biomechanical and Clinical Outcomes DONG YEONG LEE / ARMED FORCES DAEGU HOSPITAL

16:48-17:00 Discussion Osteotomy 1 (K) 17:00-17:30 SE HYUN CHO / BAIK MEDICAL CENTER•KYUNG WOOK NHA / INJE UNIV. 17:00-17:06 281 Survival of opening versus closing wedge high tibial osteotomy: A meta-analysis

JUN HO KIM / THE ARMED FORCES DAEJEON HOSPITAL

Comparison of clinical and radiologic results between computer-assisted HTO and conventional 17:06-17:12 282 HTO after the experience of computer assisted surgery CHEOL HEE PARK / KYUNG HEE UNIV.

66 67 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Emerald B Friday, October 19th Room Emerald B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Hip Fracture4 : Atypical/Occult Fracture (K) THA3 : Stem and Cup (K) 08:00-08:30 10:00-10:30 WEON-YOO KIM / CATHOLIC UNIV.•KEE HAENG LEE / CATHOLIC UNIV. JUN SHIK KIM / EWHA WOMANS UNIV.•KYE YOUNG HAN / KANGWON UNIV. Progression of Asymptomatic Contralateral Femur in Patients with Complete Atypical Femoral 08:00-08:06 287 10:00-10:06 296 The Results of Corail Stem according to Dorr Type Fracture; According to the Initial Radiographic Finding JOON HYUCK OH / CATHOLIC UNIV. HYUK-JOON SOHN / KEIMYUNG UNIV. Long term outcome of THA with a cementless modular stem and conventional polyethylene liners 10:06-10:12 297 08:06-08:12 288 Non-surgical Treatment for Symptomatic Incomplete Atypical Femoral Fracture : Minimum twenty-year follow-up

SUNG JIN CHO / KYUNG HEE UNIV. CHAN WOO PARK / SUNGKYUNKWAN UNIV. Friday

08:12-08:18 289 Isolated greater trochanteric fracture with occult intertrochanteric fracture 10:12-10:18 298 Average 10-year outcomes of acetabular cup revision using press-fitted jumbo cups

JONGHO NOH / CATHOLIC UNIV. JUN-KI MOON / HANYANG UNIV.

08:18-08:30 Discussion 10:18-10:30 Discussion

Hip Fracture5 : Outcome improvement (K) THA4 : Stem (E) 08:30-09:00 10:30-11:00 SUK KYU CHOO / INJE UNIV.•HYUN CHUL SHON /CHUNGBUK NATIONAL UNIV. DOO HOON SUN / SUN MEDICAL CENTER•JEONG JOON YOO / SEOUL NATIONAL UNIV. The Effect of Continuous Preoperative Anticoagulant Medication on Outcomes after 08:30-08:36 290 10:30-10:36 299 Total Hip Arthroplasty Using the Short Hip Stem Metha® : Mean 5-Year Follow-Up Results Cephalomedullary Nailing in Elderly Patients over 70 years KI WOONG KIM / DONG-A UNIV. HYUNG MIN LEE / HALLYM UNIV. Alternated femoral neck cut for short metaphyseal stem is suitable and reliable for Asian Evaluation of Medial and Anteromedial Support in Cephalomedullary Nailing for Basicervical 10:36-10:42 08:36-08:42 291 population Fracture JITHAYUT SUEAJUI / MAHARAT NAKHON RATCHASIMA HOSPITAL / THAILAND XUAN-LIN ZHENG / YONSEI UNIV. 10:42-10:48 300 Total Hip Arthroplasty(THA) with Proximal Tapered Cementless Stem : Minimum 10-years follow-up 08:42-08:48 292 Factors affecting surgical outcome in the osteosynthesis of basicervical hip fractures HYUNWOO LIM / SEOUL NATIONAL UNIV. TAE-YOUNG KIM / KONKUK UNIV. 10:48-11:00 Discussion 08:48-09:00 Discussion THA5 : Specific Situation (E) Hip Fracture6 (E) 11:00-11:30 09:00-09:30 KANG SUP YOON / SEOUL NATIONAL UNIV.• WOO SUK LEE /YONSEI UNIV. BYUNG WOO MIN / KEIMYUNG UNIV.•KWANG JUN OH / SUNGMIN HOSPITAL 11:00-11:06 301 Total hip arthroplasty for GVHD patient. Is it safe? 09:00-09:06 293 Percutaneous Iliosacral Screw Fixation with Cement Augmentation in Osteoporotic sacral Fracture JI HWAN JEONG / CATHOLIC UNIV. SANG-MIN LEE / KWANG-JU CHRISTIAN HOSPITAL

11:06-11:12 Total hip arthroplasty after failed treatment of proximal femur fracture 09:06-09:12 294 Fixation Failure of Intertrochanteric Fracture with a Cephalomedullary Nail TOMONORI TETSUNAGA / OKAYAMA UNIVERSITY HOSPITAL / JAPAN SEUNG JOO KIM / INJE UNIV.

11:12-11:18 302 Acetabular Defect Reconstruction with Trabecular Metal Augments in Hip Arthroplasty. 09:12-09:18 295 The Treatment Strategies of Failed Internal Fixation of Intertrochanteric Fractures TAE-JIN KIM / KOREA UNIV. BEOM-SOO KIM / KEIMYUNG UNIV.

11:18-11:30 Discussion 09:18-09:30 Discussion THA6 : Outcome (E) 09:30-10:00 Coffee Break 11:30-12:00 KYUNG HOI KOO / SEOUL NATIONAL UNIV.• SEUNG BEOM HAN / KOREA UNIV. 11:30-11:36 Effect of surgical duration on outcomes of total hip arthroplasty

SEUNG-MIN YOUN / AUCKLAND REGIONAL HOSPITALS / NEW ZEALAND

68 69 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Emerald B Friday, October 19th Room Emerald B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Limb lengthening and deformity correction in patients with achondroplasia and hypochondroplasia 11:36-11:42 303 Incidence, risk factors and prognosis of transient pseudosubluxation after total hip arthroplasty 16:00-16:08 311 : A case series of 15 patients WOO-LAM JO / CATHOLIC UNIV. HYUN JUN KIM / SUNGKYUNKWAN UNIV. 11:42-11:48 304 Wear in hip prostheses with activities of daily living 16:08-16:16 312 HACEK pediatric orthopedic infections : literature review after a case RICHARD HALL / UNIVERSITY OF LEEDS / U.K. JOAO PEREIRA / HESE / PORTUGAL 11:48-12:00 Discussion 16:16-16:30 Discussion

12:00-12:20 Lunchoen Symposium (Room A, Emerald A) Friday Pediatric Hip (E) 16:30-17:00 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) HUI TAEK KIM / PUSAN NATIONAL UNIV.•CHANG WUG OH / KYUNGPOOK NATIONAL UNIV. 13:30-14:00 Presentation of Scientific Award Paper (Room A) 16:30-16:36 313 Functional Outcomes of Hip Arthroscopy in Pediatric and Adolescent Hip Disorders 14:00-14:30 President Lecture (Room A) CHAEMOON LIM / SEOUL NATIONAL UNIV. Pediatric Foot (K) 16:36-16:42 314 Clinical Behavior of Atypical Slipped Capital Femoral Epiphysis 14:30-15:00 KWANG SOON SONG / KEIMYUNG UNIV.•SEOK JUNG KIM / CATHOLIC UNIV. HEE SEOL PARK / SUNGKYUNKWAN UNIV. 14:30-14:36 305 Inter-segment foot motion in girls using a three-dimensional multi-segment foot model Reliability and Outcome Predictability of Acetabular Index and Center-edge Angle in 16:42-16:48 315 WOO YOUNG JANG / KOREA UNIV. Developmental Dysplasia of the Hip : a Comparison of Two Different Measurement Methods

Radiographic changes of the mid-tarsal joint at a minimum follow-up of 5 years after calcaneal CHANG HO SHIN / SEOUL NATIONAL UNIV. 14:36-14:42 306 lengthening for planovalgus foot deformity 16:48-17:00 Discussion SEONG HEE CHO / SEOUL NATIONAL UNIV. Pediatric Lower Extremity (E) Changes of the gait kinematics and kinetics of the children with flexible flatfoot after calcaneal 17:00-17:30 14:42-14:48 307 JONG SUP SHIM / SUNGKYUNKWAN UNIV.•HA YONG KIM /EULJI UNIV. lengthening Case-Match Controlled Comparision of Elastic stable intramedullary nailing and Minimal invasive JONG SHIN LEE / EULJI UNIV. 17:00-17:06 316 plate osteosynthesis for the pediatric tibia fracture between 5 and 10 years 14:48-15:00 Discussion JIN-AN JANG / KYUNGPOOK NATIONAL UNIV.

Pediatric Other Topics (K) Functional outcomes after surgeries on habitual patellar dislocation in a select group of patients 15:00-15:30 17:06-17:12 317 SUNG SOO KIM / DONG-A UNIV.•SEUNG WOO SUH / KOREA UNIV. with torsional deformities of the lower extremity SEOK HWAN JIN / YONSEI UNIV. 15:00-15:06 308 Minimally invasive corrective osteotomy of tibia deformity in children

EUNG-KYOO PARK / KYUNGPOOK NATIONAL UNIV. The Validity of Computed Tomography scan to evaluate the rotational deformity of lower extremity 17:12-17:18 318 : Comparison between anatomical image and physical examinations in children A comparative analysis of clinical application and efficacy between OPENCAST® and NEALCAST® 15:06-15:12 309 SANGSOO NA / KEIMYUNG UNIV. in pediatric upper extremity fracture patients : prospective randomized control study JAE-WON JUNG / KEIMYUNG UNIV. 17:18-17:30 Discussion Pediatric Upper Extremity (E) 15:12-15:18 310 Surgical management for pediatric acute osteomyelitis 17:30-18:00 TAE WOO KIM / PUSAN NATIONAL UNIV. HYUN DAE SHIN / CHUNGNAM NATIONAL UNIV.•JUNG RYUL KIM / CHONBUK NATIONAL UNIV. Early Range of motion Exercise with Pediatric Olecranon Fractures Treated with Tension Band 17:30-17:36 319 15:18-15:30 Discussion Suture with Double Loops and Double Knots SOO MIN LIM / AJOU UNIV. 15:30-16:00 Coffee Break Other Pediatric Topics (E) 17:36-17:42 320 The effect of obesity on the pediatric supracondylar humeral fractures 16:00-16:30 HAN YONG LEE / CATHOLIC UNIV.•HYUN WOO KIM / YONSEI UNIV. TAE YOUNG AHN / PUSAN NATIONAL UNIV.

70 71 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Emerald B Friday, October 19th Room A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No.

17:42-17:48 321 External fixation for pediatric humeral fracture : an unorthodox solution Upper extremity fractures (E) 08:00-08:30 JOAO PEREIRA / HESE / PORTUGAL SEOK WHAN SONG / CATHOLIC UNIV.• JONG WOONG PARK / KOREA UNIV. Number of proximal screws for stable fixation of proximal humerus fracture : A biomechanical 08:00-08:06 322 17:48-18:00 Discussion study KYOUNG-HWAN KOH / ULSAN UNIV.

08:06-08:12 323 Mini Fragments as a Provisional Implants in Diaphysial Forearm Fracture : The Union Outcome

NORHASLINDA BAHAUDIN / KOREA UNIV. Friday

Variable-Angle distal radius volar rim locking plate fixation for distal radius fracture with severe 08:12-08:18 324 volar articular comminution WON HA HWANG / CATHOLIC UNIV.

08:18-08:30 Discussion

Acetabulum/Hip Fractures (E) 08:30-09:00 JONG OH KIM / EWHA WOMANS UNIV.•SEUNG-JAE LIM / SUNGKYUNKWAN UNIV. Salvage treatment of failed internal fixation of intertrochanteric fractures : What factors determine 08:30-08:36 325 the failure of treatment? BEOM-SOO KIM / KEIMYUNG UNIV.

IM Nailing of the subtrochanteric fracture in elderly patients : A matched pair analysis between 08:36-08:42 326 Reconstruction nailing versus Blade C-M nailing TAE-SEONG KIM / KYUNGPOOK NATIONAL UNIV.

Management and outcome of patients with acetabular fractures : Associated injuries and 08:42-08:48 327 prognostic factors WON-SEOK CHOI / KOREA UNIV.

08:48-09:00 Discussion

Femur Fractures (E) 09:00-09:30 JONG KEON OH / KOREA UNIV.•JE HYUN YOO / HALLYM UNIV. Secondary nailing after external fixation of femoral shaft fracture : Affecting factors of union & 09:00-09:06 328 infection TAE-SEONG KIM / KYUNGPOOK NATIONAL UNIV.

MIPO for distal femur fracture with anterolateral bowing : does the varus contouring of locking 09:06-09:12 329 plate help the recovery of femoral alignment? IL SEO / KYUNGPOOK NATIONAL UNIV.

Surgical outcome of distal femoral fracture in elderly patients treated with MIPO : 09:12-09:18 330 Can percutaneous cerclage wiring reduce fracture healing time? SEUNGGUN LEE / HANYANG UNIV.

09:18-09:30 Discussion

09:30-10:00 Coffee Break

72 73 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room A Friday, October 19th Room A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Pelvis Fractures (K) 15:00-15:06 334 The incidence and prognostic implications of dysphagia in elderly hip fracture patients. 10:00-10:30 WEON-YOO KIM / CATHOLIC UNIV.• JI WAN KIM / ULSAN UNIV. SEONG-EUN BYUN / CHA UNIV. Effects of reformatting CT scanning plane in transsacral osseous corridor and implications for 10:00-10:06 331 transiliac-transsacral screw fixation: Computational cadaveric simulation 15:06-15:12 335 Conventional cannulated Screw fixation for undisplaced femoral neck fractures in the super-elderly GU-HEE JUNG / GYEONGSANG NATIONAL UNIV. SANG-HEON LEE / CATHOLIC UNIV.

Urinary incontinences are related with fall and fragility fractures in elderly population: nationwide 10:06-10:12 332 Effects of Pelvic Embolization in Open Surgery for Pelvic Ring Injury and Acetabular Fracture 15:12-15:18 336 cohort study

JAE HOON JANG / PUSAN NATIONAL UNIV. Friday JIN-WOO KIM / EULJI UNIV. Is minimal invasive surgical treatment more beneficial than conservative treatment for nondisplaced 10:12-10:18 333 unilateral sacral ala fracture combined with anterior pelvic disruption? 15:18-15:30 Discussion JONG-TAE PARK / CATHOLIC UNIV. 15:30-16:00 Coffee Break

10:18-10:30 Discussion Invited Lecture 16:00-16:30 Invited Lecture KYU HYUN YANG / YONSEI UNIV. 10:30-11:00 KEY-YONG KIM / ULSAN UNIV. 16:00-16:20 Research advances in articular cartilage transplant 10:30-10:50 The fracture dislocations of the elbow JAMES STANNARD / UNIVERSITY OF MISSOURI / USA

NIKOLAUS RENNER / KANTONSSPITAL AARAU / SWITZERLAND 16:20-16:30 Discussion

10:50-11:00 Discussion Basic research (E) 16:30-17:00 Plenary Lecture YANG GUK CHUNG / CATHOLIC UNIV.•YOUNG SOO CHUN / KYUNG HEE UNIV. 11:00-12:00 CHONG HYUK CHOI / YONSEI UNIV. 16:30-16:35 337 The expression and role of FAM83H in osteosarcoma A new technique of femur osteotomy YOUNG JAE MOON / CHONBUK NATIONAL UNIV. LOW AND HIGH LINEAR ENERGY TRANSFER RADIATION EFFECT AGAINST IN VITRO AND Double osteotomy around the knee 16:35-16:40 338 ORTHOTOPIC IN VIVO MODELS OF OSTEOSARCOMA BY ACTIVATION OF CASPASE 3 AND 9 PHILIPP LOBENHOFFER / GO:H GELENKCHIRURGIE ORTHOPÄDIE HANNOVER / GERMANY CHANG-BAE KONG / KOREA CANCER CENTER HOSPITAL Discussion Early metabolic response assessed by FDG PET can predict the clinical outcome of extremity 16:40-16:45 339 12:00-12:20 Lunchoen Symposium : CHONG KUN DANG osteosarcoma CHANG-BAE KONG / KOREA CANCER CENTER HOSPITAL 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) 16:45-16:50 340 Cytotoxic effects of delphinidin in human osteosarcoma cells 13:30-14:00 Presentation of Scientific Award Paper (Room A) CHUNG SOO HAN / CHUNG HOSPITAL YOUNG JIN PARK / GYEONGSANG NATIONAL UNIV. 14:00-14:30 President Lecture (Room A) JEUNG TAK SUH / BUSAN MEDICAL CENTER Invited Lecture 16:50-17:00 Discussion 14:30-15:00 BYUNG WOO MIN / KEIMYUNG UNIV. Soft tissue tumor (E) 17:00-17:30 14:30-14:50 Failure of femoral neck fracture fixation DUK SEOP SHIN / YEUNGNAM UNIV.•JEUNG IL KIM / PUSAN NATIONAL UNIV.

KODI KOJIMA / UNIVERSITY OF SAO PAULO / BRAZIL 17:00-17:05 341 VGEFR2 Expression in Pazopanib Treated Soft Tissue Sarcoma HAKSUN CHUNG / KOSIN UNIV. 14:50-15:00 Discussion Geriatric Fracture (K) 17:05-17:10 342 sparganosis involving the lower extremities 15:00-15:30 JOON SOON KANG / INHA UNIV.• SEUNG BEOM HAN / KOREA UNIV. YOU-SEUNG CHUN / CATHOLIC UNIV.

74 75 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room A Friday, October 19th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Clinicopathologic parameters associated with diagnostic ability of core needle biopsy in soft tissue Microsurgical reconstruction of the upper extremity (E) 17:10-17:15 343 08:00-08:30 tumors YANG GUK CHUNG / CATHOLIC UNIV.•GI JUN LEE / MS JAEGEON HOSPITAL HIMANSHU ROHELA / SEOUL NATIONAL UNIV. 08:00-08:08 348 Radial collateral artery perforator-based propeller flap for elbow soft tissue reconstruction Oncological outcomes of myxoid liposarcoma in extremities and trunk after wide excision and 17:15-17:20 344 JI KANG PARK / CHUNGBUK NATIONAL UNIV. adjuvant treatment. Replantation of Multi-Level Amputation of the Hand and Wrist : Useful reverse k-wire fixation YOUNG HYUN CHOI / ULSAN UNIV. 08:08-08:16 349 technique to reduce fixation time

17:20-17:30 Discussion KEE YOUNG PARK / PUSAN NATIONAL UNIV. Friday Bone tumor (E) 17:30-18:00 08:16-08:30 Discussion IL HYUNG PARK / KYUNGPOOK NATIONAL UNIV.•HAN-SOO KIM / SEOUL NATIONAL UNIV. Microsurgical reconstruction of the lower extremity and other (E) Unsintered Hydroxyapatite and Poly-L-Lactide Composite Screws/Plates for Stabilizing B-Tricacium 08:30-09:00 17:30-17:35 Phosphate Bone Implants JIN ROK OH / YONSEI UNIV.•JAE HOON LEE / KYUNG HEE UNIV. AKIO SAKAMOTO / KYOTO UNIVERSITY SCHOOL OF MEDICINE / JAPAN The Reverse Superficial Sural Artery Flap for the Reconstruction of Soft Tissue Defect related to 08:30-08:38 350 Fracture of lower extremity 17:35-17:40 345 The results of hemicortical resection for malignant bone tumor SEONG JU CHOI / CHA UNIV. HWAN SEONG PARK / KOREA CANCER CENTER HOSPITAL Treatment of acute forearm compartment syndrome that is associated with transradial coronary 08:38-08:46 351 Factors predicting Survival of Tumor Patients with Total Femoral Replacement and Long-term intervention 17:40-17:45 346 Complications YOUNG RAN JUNG / CHONBUK NATIONAL UNIV. SEUNG YONG LEE / KOREA CANCER CENTER HOSPITAL 08:46-09:00 Discussion Wrist arthroplasty using free vascularized fibular head graft following intralesional curettage for 17:45-17:50 347 Microsurgical reconstruction of the upper extremity (K) Campanacci grade 3 giant cell tumors involving the articular surface of the distal radius 09:00-09:30 JONG HUN BAEK / KYUNG HEE UNIV. SOO-HONG HAN / CHA UNIV.•YOUNG HO LEE / SEOUL NATIONAL UNIV. Thumb Reconstruction With Transposition Digital Replantation Using Amputated Fingers In 09:00-09:06 352 17:50-18:00 Discussion Multiple Digital Amputations HEECHAN AHN / W HOSPITAL

09:06-09:12 353 Replantation of Forearm Amputation: Useful Minimal Bone Fixation Technique to Reduce Ischemic Time

KEE YOUNG PARK / PUSAN NATIONAL UNIV.

09:12-09:18 354 Contracture release of the first web space using posterior interosseous artery island flap

GI JUN LEE / MS JAEGEON HOSPITAL

09:18-09:30 Discussion

09:30-10:00 Coffee Break Microsurgical reconstruction of the lower extremity and Research (K) 10:00-10:30 JONG WOONG PARK / KOREA UNIV.•SANG HYUN LEE / PUSAN NATIONAL UNIV. The efficacy of free or pedicled flaps of medial sural artery in soft tissue reconstructions in lower 10:00-10:08 355 extremities KYUNG-TACK YOON / KYUNG HEE UNIV.

Regeneration of peripheral nerves using Nerve Conduit with Olfactory Ensheathing Cell in rat 10:08-10:16 356 model : Preliminary study NAMHYUK KIM / CATHOLIC UNIV.

10:16-10:30 Discussion 76 77 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room B Friday, October 19th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. General (K) 12:00-12:20 10:30-11:00 Lunchoen Symposium (Room A, Emerald A) HYUN SOO PARK / HANIL GENERAL HOSPITAL•JOO-HAK KIM / MYONGJI HOSPITAL 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) 10:30-10:35 357 Patients’ Expectations of 13:30-14:00 Presentation of Scientific Award Paper (Room A) SHIN WOO CHOI / ULSAN UNIV. 14:00-14:30 President Lecture (Room A) 10:35-10:40 358 Reconstruction of the hand by small free flaps Miscellaneous (E) SEUNG-JIN LEE / HALLYM UNIV. 14:30-15:00 HYUN DAE SHIN / CHUNGNAM NATIONAL UNIV.•BONG CHEOL KWON / HALLYM UNIV. Friday The results of percutaneous needle aponeurotomy for treatment of dupuytren contracture in 10:40-10:45 359 14:30-14:35 367 Surgical resection of occult subungual glomus tumors Koreans YOUNG CHEOL PARK / CHUNGNAM NATIONAL UNIV. JUNSUNG WON / VHS MEDICAL CENTER In Pyogenic Arthritis with Drainage Sinus of Finger, Clinical Course Is Different between DIP and Magnetic Resonance Imaging Evaluation of Cartilage Erosion and Ligament Integrity in Early 14:35-14:40 368 10:45-10:50 360 PIP Joint. Trapeziometacarpal Osteoarthritis SANG WOO KANG / PUSAN NATIONAL UNIV. HYO SEOK JANG / INJE UNIV. Addition Of Dexamethasone And Ketorolac To Lignocaine Intravenous Regional Anesthesia 10:50-11:00 Discussion 14:40-14:45 (Bier's Block) To Improve Tourniquet Tolerance And Postoperative Analgesia In Hand And Forearm Mallet finger (K) Surgery 11:00-11:30 SYED FARAZ GILLANI / THE UNIVERSITY OF LAHORE / PAKISTAN JIN ROK OH / YONSEI UNIV.•GI JUN LEE / MS JAEGEON HOSPITAL 11:00-11:06 361 Long-term Immobilization with Stack Splint for the Treatment of Tendinous Mallet Finger 14:45-14:50 369 Do Magnetic Resonance Imaging Findings Correlate Clinical Features of Medial Epicondylitis?

EUGENE BAEK / CHA UNIV. WAN KEE HONG / SEOUL NATIONAL UNIV.

Treatment of bony mallet finger via direct fragment pinning and extension-block pinning following 14:50-15:00 Discussion 11:06-11:12 362 percutaneous fragment reduction with towel clip Nerve (E) JEUNG HWAN SEO / KYUNG HEE UNIV. 15:00-15:30 YANG GUK CHUNG / CATHOLIC UNIV.•JONG PIL KIM / DANKOOK UNIV. Supplemental method for the reduction of Irreducible Mallet Finger Fractures by Two Extension 11:12-11:18 363 15:00-15:06 370 Cross Sectional Area just Proximal to the Carpal Tunnel According to the Ulnar Variances Block Technique : Dorsal Counterforce technique SUNG JIN HWANG / CHUNGNAM NATIONAL UNIV. SANGHYUN PARK / SEOUL NATIONAL UNIV. The effect of nitric oxide-releasing nanoparticle on nerve revascularization and functional recovery 11:18-11:30 Discussion 15:06-15:12 371 after sciatic nerve crush injury in rats Carpal tunnel syndrome (K) JI HUN PARK / KOREA UNIV. 11:30-12:00 HO JUNG KANG / YONSEI UNIV.•JAE KWANG KIM / ULSAN UNIV. Active von Frey filament test : new technique for evaluation of hand tactile sensation measuring in Preoperative Pain Sensitization Is Associated With Postoperative Pillar Pain After Open Carpal 15:12-15:18 372 11:30-11:36 364 numerical scale Tunnel Release. JIWOON LEE / KYUNGPOOK NATIONAL UNIV. SEOK WOO HONG / EWHA WOMANS UNIV. 15:18-15:30 Discussion Local anesthesia versus supraclavicular brachial plexus block in mini-open carpal tunnel release: a 11:36-11:42 365 prospective randomized controlled study 15:30-16:00 Coffee Break JU HAN LEE / KYUNG HEE UNIV. Tendon (E) 16:00-16:30 11:42-11:48 366 Which factors affect the rate of surgery performed in patients with carpal tunnel syndrome? SEOUNG JOON LEE / KONKUK UNIV.•JAE KWANG KIM / ULSAN UNIV. JAEWOO CHO / SEOUL NATIONAL UNIV. 16:00-16:05 373 A Protocol to Acquire the Degenerative Tenocyte from Humans INTAE HONG / CHA UNIV. 11:48-12:00 Discussion

78 79 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room B Friday, October 19th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Factors causing prolonged post-operative symptoms despite absence of complications after A1 16:05-16:10 374 17:35-17:40 384 The Effect of Vitamin D Deficiency Correction on the Outcomes after Carpal Tunnel Release pulley release for trigger finger MYUNG HO LEE / SEOUL NATIONAL UNIV. JONG HUN BAEK / KYUNG HEE UNIV. Validity, Reliability and Responsiveness of the Korean version of Quick Disabilities of the Arm, Extensor tendon repair using 8- or 10-strand core suture and extensor retinaculum release for 17:40-17:45 385 16:10-16:15 375 Shoulder, and Hand Questionnaire in the Patients with Carpal Tunnel Syndrome extensor tendon ruptures in rheumatoid hand SEOK WOO HONG / EWHA WOMANS UNIV. KI HO KANG / CATHOLIC UNIV. 17:45-17:50 386 Value of cross sectional area of median nerve by MRI in carpal tunnel syndrome Prospective randomized comparison of clinical outcomes and skin hypopigmentation between 16:15-16:20 376 Friday sono-guided and blind steroid injection for De Quervain`s disease HEE-CHAN WON / GYEONGSANG NATIONAL UNIV. YOUNG HO SHIN / ULSAN UNIV. 17:50-18:00 Discussion 16:20-16:30 Discussion

Finger (E) 16:30-17:00 SOO-HONG HAN / CHA UNIV.•SAM KOOK PARK / YEUNGNAM UNIV. Factors influencing functional outcome of proximal interphalangeal joint collateral ligament injury 16:30-16:36 377 when treated with buddy strapping and exercise SEOK WOO HONG / EWHA WOMANS UNIV.

Clinical Outcomes of operative repair of complete rupture of collateral ligament at the proximal 16:36-16:42 378 interphalangeal joint of fingers using an anchor JUN YONG KIM / SOONCHUNHYANG UNIV.

Collateral ligament reconstruction of chronic proximal interphalangeal joint instability using a half 16:42-16:48 379 slip of the flexor digitorum superficialis tendon; case series. KANGWOOK KIM / SEOULDAEJEONG HOSPITAL

16:48-17:00 Discussion

Thumb (E) 17:00-17:30 JONG WOONG PARK / KOREA UNIV.•HYUN SIK GONG / SEOUL NATIONAL UNIV. Trapeziectomy With Ligament Reconstruction and Tendon Interposition Arthroplasty using “Cow 17:00-17:06 380 hitch” knot for Basal Joint Arthritis : A Study of subsidence and functional outcomes YUN MOON JEON / INHA UNIV.

17:06-17:12 381 Early result of Pyrodisc interposition arthroplasty for advanced thumb CMC joint osteoarthritis

DONG HO KWAK / CATHOLIC UNIV.

17:12-17:18 382 Operative treatment of thumb metacarpophalangeal sesamoid lesion

YOUNG-HO KONG / YONSEI UNIV.

17:18-17:30 Discussion

Carpal tunnel syndrome (E) 17:30-18:00 DUKE WHAN CHUNG / KYUNG HEE UNIV.•YOUNG WOO KIM / W HOSPITAL Patients With Limited Health Literacy Have Similar Preferences but Different Perceptions in Surgical 17:30-17:35 383 Decision-making for Carpal Tunnel Release. SEOK WOO HONG / EWHA WOMANS UNIV.

80 81 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room C Friday, October 19th Room C Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Skeletal Dysplasia (K) Invited Lecture 08:00-08:30 10:00-10:30 HAE-RYONG SONG / KOREA UNIV.•WON JOON YOO / SEOUL NATIONAL UNIV. HAN YONG LEE / CATHOLIC UNIV. Anatomical relationship of femoral neurovascular structure in the congenital femoral deficiency 08:00-08:06 387 10:00-10:20 Tumour Reconstruction in Children patients LEO DONNAN / UNIVERSITY OF MELBOURNE ROYAL CHILDREN’S HOSPITAL / AUSTRALIA MIN UK LEE / HALLYM UNIV. 10:20-10:30 Discussion 08:06-08:12 388 Femoral Neck Fracture in Patients with Osteogenesis Imperfecta Basic Science (E)

WAN KEE HONG / SEOUL NATIONAL UNIV. 10:30-11:00 Friday YEO HON YUN / EWHA WOMANS UNIV.•TAE JOON CHO / SEOUL NATIONAL UNIV. 08:12-08:18 389 Brachymetatarsia and Brachymetacarpia in patients with Multiple Hereditory Exostosis 10:30-10:36 396 Osterix regulates corticalization via Integrin β3 expression for longitudinal bone growth

YONG JIN CHO / CHOSUN UNIV. YOUNG JAE MOON / CHONBUK NATIONAL UNIV.

08:18-08:30 Discussion Low-Intensity Pulsed Ultrasound Enhances Callus Consolidation in of the 10:36-10:42 397 Tibia Basic Science (K) 08:30-09:00 TAE-JIN KIM / KOREA UNIV. SOON HYUCK LEE / KOREA UNIV.•SUNG-TAEK JUNG / CHONNAM NATIONAL UNIV. Quantitative analysis of phase coordination index and gait asymmetry using inertial measurement 08:30-08:36 390 10:42-10:48 398 Positive cross-over sign in type III anterior inferior iliac spine in Bernese periacetabular osteotomy unit based gait analysis HEE JIN LEE / PUSAN NATIONAL UNIV. JAE WON SHIN / YONSEI UNIV. 10:48-11:00 Discussion Accuracy of New Height Prediction Method Using Mid-parents Heights of Korea National Health 08:36-08:42 391 and Nutrition Examination Survey 2007-2016 Invited Lecture 11:00-11:30 EUNSEOK CHOI / CHUNGNAM NATIONAL UNIV. JIN WOO LEE / YONSEI UNIV.

The characteristics and trends of traumatic injuries in children visiting emergency departments: a Arthroscopic repair and reconstruction of the lateral ligaments of the ankle 08:42-08:48 392 study using both the nationwide and single institutional datasets MASATO TAKAO / JUJO HOSPITAL / JAPAN SEUNGCHEOL KANG / ULSAN UNIV. Discussion 08:48-09:00 Discussion Invited Lecture 11:30-12:00 Pediatric Hip (K) 09:00-09:30 HO SEONG LEE / ULSAN UNIV. CHIN YOUB CHUNG / SEOUL NATIONAL UNIV.•CHANGHOON JEONG / CATHOLIC UNIV. Chondral and osteochondral lesions in the ankle joint Long-term results of closed reduction for developmental dislocation of the hip in children of walking 09:00-09:06 393 MARTINUS RICHTER / RUMMELSBERG AND NUREMBERG, RÜCKERSDORF / GERMANY age under eighteen months old

YOUNG CHEOL PARK / CHUNGNAM NATIONAL UNIV. Discussion

09:06-09:12 394 Treatment Outcome of Hip Dislocation in Kabuki Syndrome 12:00-12:20 Lunchoen Symposium (Room A, Emerald A) CHAEMOON LIM / SEOUL NATIONAL UNIV. 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) 09:12-09:18 395 Retroverted acetabulum with increased superolateral coverage in slipped capital femoral epiphysis 13:30-14:00 Presentation of Scientific Award Paper (Room A) SANGDON JOO / CHONNAM NATIONAL UNIV. 14:00-14:30 President Lecture (Room A)

09:18-09:30 Discussion Invited Lecture 14:30-15:00 KYUNG TAI LEE / LEEKYUNGTAI ORTHOPEDIC HOSPITAL 09:30-10:00 Coffee Break Insertional Achilles Tendinopathy: Where do we stand now?

HUA YINGHUI / HUASHAN HOSPITAL, FUDAN UNIVERSITY, SHANGHAI / CHINA

Discussion

82 83 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room C Friday, October 19th Room C Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Arthroscopic Bone Marrow Stimulation in the Treatment of Osteochondral Lesions of the Talus - Invited Lecture 17:12-17:18 407 15:00-15:30 Outcomes Over Ten Years of Follow-up JIN SOO SUH / INJE UNIV. JAI BUM KWON / YONSEI UNIV. Management of neglected ankle fractures

EMILIANO B. TABLANTE / ST. LUKE’S MEDICAL CENTER / PHILIPPINES 17:18-17:30 Discussion Miscellaneous 2 (K) Discussion 17:30-18:00 KYUNG TAI LEE / LEEKYUNGTAI ORTHOPEDIC HOSPITAL•HEUI CHUL GWAK / INJE UNIV. 15:30-16:00 Coffee Break

Risk factors and the associated cutoff values for failure of corticosteroid injection in treatment of Friday 17:30-17:36 408 Ankle instability (K) Morton’s neuroma 16:00-16:30 IN TAK CHU / YONSEI GUNWOO HOSPITAL•HYUNG JIN CHUNG / INJE UNIV. JEONG HWAN AHN / KOREA UNIV.

The effects of combined risk factors on the functional outcomes after the Brostr m procedure in Outpatient percutaneous needle flexor tenotomy for diabetic claw toe deformities with ulcer 16:00-16:06 399 17:36-17:42 409 patients with chronic lateral instability Introduction EUN HO SHIN / CHEONG NA INTERNATIONAL HOSPITAL DONG HOON LEE / CATHOLIC UNIV. The peek-a-boo heel sign - positive subtle cavovarus deformity in chronic lateral ankle instability; 16:06-16:12 400 17:42-17:48 410 Foot & Ankle in Myth and History consecutive diagnosis and operation results DONG WOO SHIM / CATHOLIC KWANDONG UNIV. KIWON YOUNG / EULJI UNIV.

Comparison of Mid-term Outcomes between an All-Inside Arthroscopic and an Open Modified 17:48-18:00 Discussion 16:12-16:18 401 Brostr m Procedure for Ankle Instability SUNGBUM PARK / SOONCHUNHYANG UNIV.

16:18-16:30 Discussion Miscellaneous 1 (K) 16:30-17:00 IN TAK CHU / YONSEI GUNWOO HOSPITAL•HYUNG JIN CHUNG / INJE UNIV. Assessment of Ankle Mortise Instability After Isolated Supination-External Rotation Lateral 16:30-16:36 402 Malleolar Fractures TAE YONG KIM / KYUNG HEE UNIV.

16:36-16:42 403 The Ultrasonographic Method for Diagnosis of Acute Lateral Ankle Injury

JEONG JAE MOON / YEUNGNAM UNIV.

16:42-16:48 404 Change of in-shoe plantar pressure according to different types of shoes

NA KYOUNG LEE / SEOUL NATIONAL UNIV.

16:48-17:00 Discussion Osteochondral lesion on talus (K) 17:00-17:30 KYUNG TAI LEE / LEEKYUNGTAI ORTHOPEDIC HOSPITAL•HEUI CHUL GWAK / INJE UNIV. 17:00-17:06 405 Osteochondral lesion of talus following acute ankle sprain

TAE HO YI / NATIONAL POLICE HOSPITAL

Mid to Long-term Outcomes of Arthroscopic Bone Marrow Stimulation for Osteochondral Lesion 17:06-17:12 406 of the Talus SEUNG WON CHOI / CHONNAM NATIONAL UNIV.

84 85 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Diamond Friday, October 19th Room Diamond Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. The Korean Society for Surgery of the Hand 11:30-11:45 34 Pitfalls in treatment of lower extremity fracture 08:00-09:00 Unstable upper extremity HYUN DAE SHIN / CHUNGNAM NATIONAL UNIV. SEOK JUNG KIM / CATHOLIC UNIV.

08:00-08:15 25 Unstable finger and thumb (PIP joint / Skier's thumb) 11:45-12:00 Discussion JAE HOON LEE / KYUNG HEE UNIV. 12:00-12:20 Lunchoen Symposium (Room A, Emerald A) 08:15-08:30 26 Unstable wrist 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) JOO YUP LEE / CATHOLIC UNIV. 13:30-14:00 Presentation of Scientific Award Paper (Room A) Friday 08:30-08:45 27 Unstable elbow 14:00-14:30 President Lecture (Room A) SOO-HONG HAN / CHA UNIV. The Korean Hip Society 14:30-15:30 08:45-09:00 Discussion Innovations in Hip Surgery YOON JE CHO / KYUNG HEE UNIV. Symposium Spine 14:30-14:45 35 Alternative Bearings & Bearing Surface Related Complications 09:00-09:20 DAE MOO SHIM / WONKWANG UNIV. SANG MIN KIM / KOREA UNIV. 09:00-09:12 Single position lumbar spine surgery : external fixator 14:45-15:00 36 Avoiding Instability & Optimal Cup Placement : Spine-Pelvis Relationships JOHN Y S CHOI / SPINE ORTHO CLINIC / AUSTRALIA YOUNG WOOK LIM / CATHOLIC UNIV. 09:12-09:20 Discussion 15:00-15:15 37 Diagnosis & Management of Periprosthetic Joint Infection : New Tests & Techniques 09:20-10:00 Coffee Break JE HYUN YOO / HALLYM UNIV. The Korean Foot & Ankle Society 10:00-11:00 15:15-15:30 Discussion Current updates in foot and ankle management HO SEONG LEE / ULSAN UNIV. 15:30-16:00 Coffee Break 10:00-10:12 28 Management of OLT Nurse Session 1 JIN WHA CHUNG / CATHOLIC UNIV. 16:00-16:30 EUN KYOO SONG / CHONNAM NATIONAL UNIV.•OK JA CHOI / CHONNAM NATIONAL UNIV. 10:12-10:24 29 Total ankle Arthroplasty 16:00-16:06 The effect of warm irrigation saline for core temperature maintain in arthroscopic BOM SOO KIM / INHA UNIV. JIN AH KANG / SUNGKYUNKWAN UNIV.

10:24-10:36 30 Treatment of Achilles tendon rupture The effect of constipation prevention program in patients underwent total 16:06-16:12 JUN-BEOM KIM / DAEJEON SUN MEDICAL CENTER arthroplasty JEONG HEE PARK / ULSAN UNIV. 10:36-10:48 31 Ankle fracture in diabetes and Charcot joint The Effects of Post-Discharge Telephone Counseling and Short Message Service on the Knee SANG GYO SEO / ULSAN UNIV. 16:12-16:18 Function, Activities of Daily Living, and Life Satisfaction of Total Knee Replacement Patients 10:48-11:00 Discussion KYOUNG HYE PARK / CHONNAM NATIONAL UNIV.(BITGOEUL) & CHOSUN UNIV. The Korean Paediatric Orthopaedic Society 11:00-12:00 16:18-16:24 Development of Education Program for Total knee Replacement Patients Principle and Pitfalls in Pediatric Trauma Care HAN YONG LEE / CATHOLIC UNIV. YEO OK YUN / JEJU NATIONAL UNIV. 11:00-11:15 32 Principle of pediatric trauma care 16:24-16:30 Discussion HOON PARK / YONSEI UNIV.

11:15-11:30 33 Pitfalls in treatment of upper extremity fracture

KI HYUK SUNG / SEOUL NATIONAL UNIV.

86 87 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Diamond Friday, October 19th Room B-1 Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Nurse Session 2 Syndesmosis 1 (K) 16:30-17:00 08:30-09:00 JAE HO CHO / AJOU UNIV.•YOON KYUNG BAE / KYUNG HEE UNIV. JONG CHUL AHN / YEUNGNAM UNIV.•JIN WHA CHUNG / CATHOLIC UNIV. The Occurrence of Anteroinferior Tibiofibular Ligament Avulsion Fracture Accompanied with Ankle 16:30-16:36 Vacuum Assisted Closure Therapy for Treatment of Diabetic Foot Ulcer 08:30-08:36 411 Fracture AN NA BAE / KWANGJU CHRISTIAN HOSPITAL DUCKHEE KIM / INJE UNIV. Development, Evaluation of the Evidence-based Nursing Practice Guideline for lower extremity 16:36-16:42 injuries 08:36-08:42 412 Clinical Significance of Lateral Ankle Radiograph after the Reduction of a Syndesmosis Injury

SE LEYON KIM / KYUNG HEE UNIV. JAE WAN SUH / DANKOOK UNIV. Friday

Risk Factors for Recurrent Syndesmotic instability after Syndesmotic Screw Fixation in Rotational 16:42-16:48 Job Analysis of Registered Nurse First Assistant Based on DACUM Method 08:42-08:48 413 Ankle Fractures HEE JAE KANG / SUN MEDICAL CENTER SUNGHYUN LEE / WONKWANG UNIV. 16:48-16:54 A reduction of the length of hospital day by orthopedic discharge activities 08:48-09:00 Discussion YU JIN JEONG / AJOU UNIV. Syndesmosis 2 (E) 09:00-09:30 16:54-17:00 Discussion JONG CHUL AHN / YEUNGNAM UNIV.• JIN WHA CHUNG / CATHOLIC UNIV. The Korean Fracture Society 09:00-09:06 414 Open syndesmotic repair for syndesmotic injury 17:00-18:00 Management of geriatric fractures KEUN BAE LEE / CHONNAM NATIONAL UNIV. JUN YONG KIM / SOONCHUNHYANG UNIV. 17:00-17:12 38 Perioperative and postoperative considerations in geriatric fractures 09:06-09:12 415 Syndesmotic stability on SER type ankle fractures HYUNG KEUN OH / INJE UNIV. JA HYUNG KIM / SOONCHUNHYANG UNIV.

17:12-17:24 39 Intertrochanteric hip fractures : How to avoid complications The assessment of Reduction status using radiographic parameters for syndesmotic injury treated 09:12-09:18 416 JONG KEON OH / KOREA UNIV. with transfixing screw and ideal transfixation technique HYUK JUN KWON / KEIMYUNG UNIV. 17:24-17:36 40 Management of atypical fractures 09:18-09:30 Discussion KI CHUL PARK / HANYANG UNIV.

17:36-17:48 41 Management of THA periprosthetic fractures Hand BYUNG WOO MIN / KEIMYUNG UNIV. 10:00-11:00 Carpal instability MIN JONG PARK / SUNGKYUNKWAN UNIV.• SOO-HONG HAN / CHA UNIV. 17:48-18:00 Discussion 10:00-10:10 Anatomy and Current Biomechanical Concepts of Carpal Ligament JONG PIL KIM / DANKOOK UNIV.

10:10-10:20 Classification and Clinical Impacts of Carpal Instability JOO YUP LEE / CATHOLIC UNIV.

10:20-10:30 The Role of Arthroscopy in Treatment of Acute Intercarpal Ligament Injuries MASAHIRO TATEBE / NAGOYA UNIVERSITY / JAPAN

10:30-10:40 Reconstructive Surgery for Chronic Scapholunate Dissociation MIN JONG PARK / SUNGKYUNKWAN UNIV.

10:40-10:50 An update of treatment for Midcarpal Instability CLARA WING-YEE WONG / PRINCE OF WALES HOSPITAL / HONG KONG

10:50-11:00 Discussion

88 89 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room B-1 Friday, October 19th Room C-1 Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Fracture Arthroscopy 1 11:00-12:00 08:00-09:05 Salvage of failed fracture fixation CHANG WUG OH / KYUNGPOOK NATIONAL UNIV. Cartilage & Meniscus CHONG HYUK CHOI / YONSEI UNIV.•JIN GOO KIM / KONKUK UNIV. 11:00-11:15 Salvage of failed femur neck facture fixation 08:00-08:10 Cartilage Repair in 2018

MARK REILLY / RUTGERS - NEW JERSEY MEDICAL SCHOOL / USA DAVE LEE / CHANGI GENERAL HOSPITAL / SINGAPORE

Cartilage repair using tissue-engineered cartilage : Its clinical outcomes and modifications of the 11:15-11:30 Salvage of failed intertrochanteric fracture fixation 08:10-08:20 procedure SUTHORN BAVONRATANAVECH / BANGKOK ORTHOPAEDIC CENTER, BANGKOK HOSPITAL / THAILAND NOBUO ADACHI / HIROSHIMA UNIVERSITY / JAPAN Friday 11:30-11:45 Management of Neglected / Delayed Presenting Acetabular Fractures: Salvaging a Tough Situation 08:20-08:30 Treatment strategy for meniscus extrusion to preserve meniscal function JAMAL ASHRAF / UM&TC, LUCKNOW / INDIA HIDEYUKI KOGA / TOKYO MEDICAL AND DENTAL UNIVERSITY / JAPAN 11:45-12:00 Discussion 08:30-08:40 Meniscal extrusion, translocation, and shift following arthroscopic knee surgeries 12:00-12:20 Lunchoen Symposium (Room A, Emerald A) TAKAYUKI FURUMATSU / OKAYAMA UNIVERSITY HOSPITAL / JAPAN 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) 08:40-08:50 All inside medial meniscus root repair and meniscus extrusion reduction 13:30-14:00 Presentation of Scientific Award Paper (Room A) BANCHA CHERNCHUJIT / THAMMASAT UNIVERSITY / THAILAND 14:00-14:30 President Lecture (Room A) 08:50-09:05 Discussion Arthroscopy 2 Medical Education Accreditation Points Required Lecture 09:05-10:10 14:30-15:30 ACL KWANG WON LEE / EULJI UNIV.•JOON HO WANG / SUNGKYUNKWAN UNIV. SEUNG HWAN HAN / YONSEI UNIV. 09:05-09:15 The Best Evidence in ACL Reconstruction 14:30-15:30 Infection prevention and control in health care RYOSUKE KURODA / KOBE UNIVERSITY GRADUATE SCHOOL OF MEDICINE / JAPAN JIN WON CHUNG / CHUNG-ANG UNIV. Effects of Remnant Tissue Preservation on Clinical Outcome after Double-bundle ACL 09:15-09:25 Reconstruction Hip EIJI KONDO / HOKKAIDO UNIVERSITY / JAPAN 16:00-17:00 Recent Advances and Issues in Hip Arthroplasty 09:25-09:35 Hamstring tendon autografts in ACL reconstruction - Does size matter ? WON YONG SHON / BUMIN HOSPITAL•YOUN SOO PARK / SUNGKYUNKWAN UNIV. 16:00-16:15 The importance of computer technology in hip osteotomy LINGARAJ KRISHNA / NATIONAL UNIVERSITY OF SINGAPORE / SINGAPORE

YUTAKA INABA / YOKOHAMA CITY UNIVERSITY / JAPAN 09:35-09:45 ACL reconstruction: Which grafts can be used if hamstring is too small ?

16:15-16:30 Navigation in difficult hip replacement ANDRI LUBIS / UNIVERSITY OF INDONESIA / INDONESIA

PORNPAVIT SRIPHIROM / RANGSIT UNIVERSITY / THAILAND 09:45-09:55 The Graft Bending Angle Can Affect Early Graft Healing After ACL Reconstruction

The development of a novel locking reinforcement device for revision hip arthroplasty with massive YASUTAKA TASHIRO / KYUSHU ROSAI HOSPITAL / JAPAN 16:30-16:45 acetabular bone loss 09:55-10:10 Discussion PANG-HSIN HSIEH / CHANG GUNG MEDICAL CENTER / TAIWAN 10:10-10:20 Coffee Break 16:45-17:00 Discussion Arthroscopy 3 Medical Education Accreditation Points Required Lecture 10:20-11:00 17:00-18:00 ACL/ALL HEE-SOO KYUNG / KYUNGPOOK NATIONAL UNIV.•JAE DOO YOO / EWHA WOMANS UNIV. MYUNG KU KIM / INHA UNIV. The Role of Anterior CW-HTO + ACL Reconstruction In Reducing High-grade Pivot-shift and 10:20-10:30 17:00-18:00 Prevention of Medical Dispute Eliminating Excessive Anterior Tibial Translation KI SER KANG / KOREA MEDICAL DISPUTE MEDIATION AND ARBITRATION AGENCY GUAN-YANG SONG / BEIJING JISHUITAN HOSPITAL / CHINA

90 91 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room C-1 Friday, October 19th Room C-1 Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. 10:30-10:40 Anterolateral ligament reconstruction of the Knee : Facts & Ficts Knee 2 YUNG PATRICK / THE CHINESE UNIVERSITY OF HONG KONG / HONG KONG 16:00-17:00 Total Knee Arthroplasty I

A biomechanical assessment of a distally-based lateral extra-articular tenodesis in the treatment of SEUNG-BAIK KANG /SEOUL NATIONAL UNIV.•YOUNG WAN MOON / SUNGKYUNKWAN UNIV. 10:40-10:50 anterolateral rotational laxity of the knee 16:00-16:15 TKR in severe Varus – Valgus Deformities BRIAN DEVITT / SCHOOL OF ALLIED HEALTH, LA TROBE UNIVERSITY / AUSTRALIA PARAG KANTILAL SANCHETI / SANCHETI INSTITUTE FOR ORTHOPAEDICS & REHABILITATION / INDIA

10:50-11:00 Discussion 16:15-16:30 What is optimal alignment in TKA? Friday Arthroscopy 4 SHUICHI MATSUDA / KYOTO UNIVERSITY / JAPAN 11:00-11:55 Multiligament / Osteotomy NAM HONG CHOI / EULJI UNIV.•KYOUNG HO YOON / KYUNG HEE UNIV. 16:30-16:45 Modified kinematically aligned total knee arthroplasty

11:00-11:10 Lateral side injury in multiple knee ligament injury TOMOYUKI MATSUMOTO / KOBE UNIVERSITY / JAPAN CHANAKARN PHORNPHUTKUL / CHIANGMAI UNIVERSITY / THAILAND 16:45-17:00 Discussion 11:10-11:20 Operative strategy in posterior corner (PLC/PMC) injury of knee joint Knee 3 HUNG-MAAN LEE / TAOYUAN ARMED FORCES GENERAL HOSPITAL / TAIWAN 17:00-18:00 Total Knee Arthroplasty II Arthroscopy-Assisted Corrective Osteotomy with Allograft Augmentation for Tibial Plateau MYUNG CHUL LEE / SEOUL NATIONAL UNIV.•HEE-SOO KYUNG / KYUNGPOOK NATIONAL UNIV. 11:20-11:30 Malunion or Nonunion 17:00-17:15 Total knee arthroplasty for traumatic arthritis YI-SHENG CHAN / CHANG GUNG MEMORIAL HOSPITAL-LINKOU &UNIVERSITY COLLEGE OF MEDICINE / TAIWAN YIXIN ZHOU / JISHIUITAN HOSPITAL / CHINA

11:30-11:40 Derotational osteotomy for patella subluxation secondary to excessive torsion deformity 17:15-17:30 The strategy to improve longevity in revision TKA FENG HUA / BEIJING JISHUITAN HOSPITAL / CHINA MEL S. LEE / KAOHSIUNG CHANG GUNG MEMORIAL HOSPITAL / TAIWAN

11:40-11:55 Discussion 17:30-17:45 Managing bone defects in revision TKR

12:00-12:20 Lunchoen Symposium (Room A, Emerald A) AZHAR M. MERICAN / UNIVERSITY MALAYA MEDICAL CENTER / MALAYSIA

12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) 17:45-18:00 Discussion 13:30-14:00 Presentation of Scientific Award Paper (Room A) 14:00-14:30 President Lecture (Room A) Knee 1 14:30-15:30 High Tibial Osteotomy & Unicompartmental Knee Arthroplasty

SEUNG SUK SEO / BUMIN HOSPITAL BUSAN•YONG IN / CATHOLIC UNIV. 14:30-14:42 Strategy of Surgical Treatment for Osteoarthritis of the Knee

RYOHEI TAKEUCHI / YOKOSUKA CITY HOSPITAL / JAPAN

14:42-14:54 Fixed bearing UKA

SENG JIN YEO / SINGAPORE GENERAL HOSPITAL / SINGAPORE

14:54-15:06 Effects of joint line elevation in medial Unicompartmental Knee Arthroplasty

SRIHATACH GEORGE NGARMUKOS / CHULALONGKORN UNIVERSITY / THAILAND

15:06-15:30 Discussion

15:30-16:00 Coffee Break

92 93 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room Emerald A Saturday, October 20th Room Emerald A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Osteotomy & Cartilage (E) 08:00-08:30 09:30-10:00 Coffee Break BEOM KOO LEE / ARMED FOROES CAPITAL HOSPITAL•SEUNG BEOM HAN / KOREA UNIV. TKA 8 & OA (E) Lateral Closing Wedge High Tibial Osteotomy with Fibular Shaft Osteotomy versus Tibiofibular 10:00-10:30 08:00-08:06 417 SEUNG-BAIK KANG / SEOUL NATIONAL UNIV.•SANG JUN SONG / KYUNG HEE UNIV. Division How Different are Patellofemoral Biomechanics Between Kinematically Aligned and Mechanically OH HYO KWON / SEOUL NATIONAL UNIV. 10:00-10:06 426 Aligned Total Knee Arthroplasty? Lateral Hinge Fracture During Medial Opening-Wedge High Tibial Osteotomy : An Incidental But IN JUN KOH / CATHOLIC UNIV. 08:06-08:12 418 Not Worrisome Complication The Combined use of topical intraarticular tranexamic acid and rivaroxaban in total knee KWANG YUN SONG / CATHOLIC UNIV. 10:06-10:12 427 arthroplasty safely reduces transfusion rates and wound complications without increasing the risk Intra-Articular Mesenchymal Stem Cells in Osteoarthritis of the Knee : A Systematic Review of of thrombosis 08:12-08:18 419 Clinical Outcomes and Evidence of Cartilage Repair YONG TAE KIM / HALLYM UNIV. YONG-BEOM PARK / CHUNG-ANG UNIV. Magnetic Resonance Imaging is Helpful in Surgical Decision Making Process of Medial 10:12-10:18 428 Saturday Compartment Osteoarthritis of the Knee. 08:18-08:30 Discussion MAN SOO KIM / CATHOLIC UNIV. Osteotomy & PCL (E) 08:30-09:00 BEOM KOO LEE / ARMED FOROES CAPITAL HOSPITAL•SEUNG BEOM HAN / KOREA UNIV. 10:18-10:30 Discussion 08:30-08:36 420 Incidence and Trends of Posterior Cruciate Ligament Reconstruction Travelling Fellow Session (E) 10:30-11:00 CHOONG KI KIM / INJE UNIV. SEUNG-BAIK KANG / SEOUL NATIONAL UNIV.•SANG JUN SONG/ KYUNG HEE UNIV. Validity and Responsiveness of the 2-Minute Walk Test for Measuring Functional Recovery after Preoperative Subchondral Bone Marrow Lesion is Associated with Inferior Postoperative Outcomes 10:30-10:40 08:36-08:42 421 Total Knee Arthroplasty after Medial Opening Wedge High Tibial Osteotomy. AASIS UNNANUNTANA / SIRIRAJ HOSPITAL, MAHIDOL UNIVERSITY / THAILAND MAN SOO KIM / CATHOLIC UNIV. 10:40-10:50 Three-dimensional Computed Tomography Analysis of the Posterior Tibial Slope in 100 Knees 08:42-08:48 422 Effect of Preoperative Vitamin D Insufficiency on Functional Outcome after High Tibial Osteotomy JADE HO PEI YUIK / HOSPITAL LIKAS / MALAYSIA HAN SEUNG RYU / CHA UNIV. 10:50-11:00 Discussion 08:48-09:00 Discussion Meniscus 1 (K) Osteotomy / Cartilage (K) 11:00-11:30 09:00-09:30 NAM HONG CHOI / EULJI UNIV.•YOUNG MO KIM / CHUNGNAM NATIONAL UNIV. MYUNG KU KIM / INHA UNIV.•JUNG RO YOON / VETERANS HOSPITAL Delayed Rehabilitation after Lateral Meniscal Allograft Transplantation Can Reduce Graft Extrusion Clinical outcomes and survival rate following combined high tibial osteotomy and allogenic human 11:00-11:06 429 09:00-09:06 423 Compared with Standard Rehabilitation umbilical cord blood-derived mesenchymal stem cells : A 5-year follow-up study TAE WOO LHO / KONKUK UNIV. JEONG YONG YOON / SUN'S ORTHOPEDICS Arthroscopic Meniscal Surgery versus Conservative Management in Patients Aged 40 Years and Second look arthroscopic evaluation of the cartilage regeneration after high tibial osteotomy with 11:06-11:12 430 09:06-09:12 424 Older : A Meta-Analysis and without umbilical cord blood derived stem cell application in osteoarthritis patients DONG YEONG LEE / ARMED FORCES DAEGU HOSPITAL KWANG JIN LEE / SUN'S ORTHOPEDICS The relationship of medial meniscal extrusion and medial meniscal posterior loot lesion on MRI : Is Clinical outcome of Cartistem®(human Umbilical Cord Blood-derived Mesenchymal Stem Cell and 11:12-11:18 431 degeneration of the loot associated with meniscus extrusion? 09:12-09:18 425 Hyaluronic Acid composite) transplantation in OA patients with Mild varus deformity : A Single YONG HWAN KIM / CHUNGNAM NATIONAL UNIV. center Case series (SMC series)

JIN WOOK NOH / SUNGKYUNKWAN UNIV. 11:18-11:30 Discussion

09:18-09:30 Discussion

94 95 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room Emerald A Saturday, October 20th Room Emerald B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Meniscus 2 (K) MISS 2 (K) 11:30-12:00 08:00-08:30 NAM HONG CHOI / EULJI UNIV.•YOUNG MO KIM / CHUNGNAM NATIONAL UNIV. YONG DO KOH / EWHA WOMANS UNIV.•HYOUNG YEON SEO / CHONNAM NATIONAL UNIV. Comparison Study for Second-Look Arthroscopic Result of Multiple Pull-Out and Modified Mason- 11:30-11:36 432 08:00-08:06 435 Evaluation of trabecular bone score in patients with vertebral compression fractures Allen Suture Repair for Medial Meniscus Posterior Root Tear JIN HYEOK LEE / KOREA UNIV. SHU CHIANG HWANG / SOONCHUNHYANG UNIV.

Evaluation of healing after medial meniscal root repair by using second-look arthroscopy, clinical 08:06-08:12 436 The Risk Factors of Non-traumatic Vertebral Fracture in Hemodialysis Patients 11:36-11:42 433 and radiological criteria TAEDONG JANG / SUNGKYUNKWAN UNIV. SUNG-SAHN LEE / SUNGKYUNKWAN UNIV. 08:12-08:18 437 Relationship between type 2 diabetes and osteoporotic vertebral compression fracture Collagenous Ultrastructure of Torn Medial Meniscus Posterior Root : A Transmission Electron 11:42-11:48 434 Microscopy Study JEONG-SEOK YU / GWANGMYEONG SUNGAE HOSPITAL SI YOUNG SONG / HALLYM UNIV. 08:18-08:30 Discussion Saturday 11:48-12:00 Discussion MISS 3 (E) 08:30-09:00 SEOK WOO KIM / HALLYM UNIV.•DEUK SOO JUN / GACHON UNIV. 12:00~ Closing Ceremony Radiographic and Clinical Outcomes of Robot-Assisted Posterior Pedicle Screw Fixation : Two-Year 08:30-08:36 438 Results from a Randomized Controlled Trial JI SUP HWANG / SEOUL NATIONAL UNIV.

Comparing Clinical Results of Unilateral Biportal Endoscopic Lumbar Interbody Fusion (ULIF) with 08:36-08:42 439 Those of Conventional Posterior Lumbar Interbody Fusion (PLIF) SEUNG-HYUN CHOI / PARKWEONWOOK HOSPITAL

Efficacy and safety of vertebroplasty and kyphoplasty in osteoporotic vertebral compression 08:42-08:48 440 fracture with posterior cortical bone injury : evaluated by MRI and CT MIN JOON CHO / SEOUL NATIONAL UNIV.

08:48-09:00 Discussion

MISS 4 (E) 09:00-09:30 KEUN HO PARK / JEONJU KOREA HOSPITAL•CHANG NAM KANG /HANYANG UNIV. Effect of Medications on Secondary Prevention of Osteoporotic Vertebral Compression Fracture : a 09:00-09:06 441 Meta-analysis of Randomized Controlled Trials YUAN-ZHE JIN / SEOUL NATIONAL UNIV.

3'-UTR polymorphisms of MTHFR and TS associated with osteoporotic vertebral compression 09:06-09:12 442 fracture susceptibility in postmenopausal women TAE KEUN AHN / CHA UNIV.

Risk factors for increase of compression ratio and subsequent vertebral compression fracture after 09:12-09:18 443 Osteoporotic compression fracture KUK JIN LIM / CHONBUK NATIONAL UNIV.

09:18-09:30 Discussion

09:30-10:00 Coffee Break

96 97 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room Emerald B Saturday, October 20th Room Emerald B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Miscellaneous 1 (K) Miscellaneous 4 (E) 10:00-10:30 11:30-12:00 EUNG HA KIM / SOONCHUNHYANG UNIV.•YUNG PARK / NHIS ILSAN HOSPITAL YOUNG WOO KIM / HALLYM UNIV.•JIN HWAN KIM / INJE UNIV. Comparison of diagnostic accuracies of F-18 FDG PET and MRI for detection of spondylodiscitis - 10:00-10:06 444 11:30-11:36 453 Validating Sagittal Parameters from 2D Images of EOS Whole-Body Stereoradiography Meta-analysis SOO-AN PARK / PARKWEONWOOK HOSPITAL WONSEOK PARK / PUSAN NATIONAL UNIV. The characteristics of axial gout among Korean patients with peripheral gouty arthritis in a tertiary 11:36-11:42 454 10:06-10:12 445 The results of MRSA screening test in preoperative orthopaedic patients spine center. JA-HYUNG KIM / SOONCHUNHYANG UNIV. EUN-SEOK SON / KEIMYUNG UNIV.

10:12-10:18 446 Retrospective analysis of Acute onset and Delayed onset postoperative spinal infection 11:42-11:48 455 IMPORTANCE OF PATIENT BLOOD MANAGEMENT DURING SPINAL FUSION SURGERY

WON-SEOK LEE / SOONCHUNHYANG UNIV. JAE JUN NAM / KOREA UNIV.

10:18-10:30 Discussion 11:48-12:00 Discussion Saturday

Miscellaneous 2 (K) 12:00~ 10:30-11:00 Closing Ceremony DONG JUN KIM /EWHA WOMANS UNIV.•KEE WON RHYU / CATHOLIC UNIV. Bone cement augmented pedicle screw fixation, Efficacy and complications according to the 10:30-10:36 447 different methods WON SHIK SHIN / SEOUL SACRED HEART GENERAL HOSPITAL

Intraoperative neuromonitoring for patients with high neurologic risk in thoracolumbar spine 10:36-10:42 448 surgery JUN-SUENG LEE / INJE UNIV.

10:42-10:48 449 Influence of spinal interventions on adrenal function before a surgical treatment

WON SHIK SHIN / SEOUL SACRED HEART GENERAL HOSPITAL

10:48-11:00 Discussion

Miscellaneous 3 (K) 11:00-11:30 DONG KI AHN / SEOUL SACRED HEART GENERAL HOSPITAL•HONG MOON SOHN / CHOSUN UNIV. Evaluation of diagnostic discrepancy using the ASAS criteria and F-18 NaF PET/CT in patients 11:00-11:06 450 suspected AS SEUNG MIN SON / PUSAN NATIONAL UNIV.

11:06-11:12 451 Impact of ankylosing spondylitis on depression : A nationwide based cohort study

JIN-SUNG PARK / KOREA UNIV.

What is the role of surgery for spinal metastasis of lung cancer? - Propensity score matched cohort 11:12-11:18 452 study with radiotherapy alone- HYUNG-YOUL PARK / CATHOLIC UNIV.

11:18-11:30 Discussion

98 99 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room A Saturday, October 20th Room A Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Rotator cuff 7 (K) Arthroscopic Versus Open Fixation for Coronoid Process Fracture of the Ulna in Terrible Triad Elbow 08:00-08:30 09:05-09:10 465 Injuries SANG JIN CHEON / PUSAN NATIONAL UNIV.•JINYOUNG JEONG / CATHOLIC UNIV. Arthroscopic treatment for intratendinous rotator cuff tear : Clinical outcomes and structural WON-TAEK OH / YONSEI UNIV. 08:00-08:05 456 integrity Anterior trans-muscular transposition technique, not intra-muscular technique, in ulnar nerve 09:10-09:15 466 YONG GEON PARK / PUSAN NATIONAL UNIV. entrapment at the elbow

Comparison of clinical outcomes according to tissue strain using sono-elastogram after DONGMIN KIM / THE ARMED FORCES CAPITAL HOSPITAL 08:05-08:10 457 arthroscopic rotator cuff repair 09:15-09:20 467 Surgical treatment of synovial chondromatosis of the elbow JONGYOON LEE / CATHOLIC UNIV. NEUNGHAN JEON / SUNGKYUNKWAN UNIV. Usefulness of the Critical Shoulder Angle for Detecting Rotator Cuff Tear on Radiograph : A 08:10-08:15 458 Systematic Review and Meta-Analysis 09:20-09:30 Discussion JAEGWANG SONG / SUNCHEON CENTRAL HOSPITAL 09:30-10:00 Coffee Break Saturday 08:15-08:20 459 Outcomes of staged bilateral arthroscopic rotator cuff repairs for rotator cuff tears 10:00-11:00 Shoulder & Elbow 4 SEUNG HO KIM / MADI SHOULDER HOSPITAL SEUNG-HYUN BAEK / GACHON UNIV. 10:00-10:15 Posterior Shoulder Instability Management : What is difficult or easy?

08:20-08:30 Discussion MUSTAFA KARAHAN / MARMARA UNIVERSITY SCHOOL OF MEDICINE, ISTANBUL /TURKEY Rotator cuff 8 (K) 08:30-09:00 10:15-10:30 Arthrolatarjet : A retrospective study on union and graft positioning SUK KEE TAE / TK •JAE KWANG YUM / INJE UNIV. Allogenic Dermal Matrix Augmentation after arthroscopic rotator cuff repair for Large to Massive ASHUTOSH ARVIND AJARI / AADHYA ORTHOPAEDIC AND PHYSIOTHERAPY CARE PUNE / INDIA 08:30-08:35 460 Rotator Cuff Tear. Does it really work? DO HOON KIM / NALGAE HOSPITAL 10:30-10:45 Rotator cuff repair : results of single row repair

The effect of anxiety and depression measured by HADS (Hospital Anxiety and Depression Scale) ABHAY KULKARNI​ / SAHYADRI SPECIALITY HOSPITAL, RUBY HALL CLINIC / INDIA 08:35-08:40 461 on early pain and range of motion after rotator cuff repair 10:45-11:00 Discussion JOO HYUN PARK / SEOUL NATIONAL UNIV. Miscellaneous 2 (K) 11:00-11:30 Do patients receiving workers’ compensation who undergo arthroscopic rotator cuff repair have 08:40-08:45 462 KI YONG BYUN / JOIN ORTHOPEDIC SURGERY•JUNG HAN KIM / INJE UNIV. worse outcomes than non-recipients? Intraarticular Steroid Injection at 6 Weeks Postoperatively for Shoulder Stiffness after Arthroscopic 11:00-11:05 468 SANG BUM LEE / CHUNGNAM NATIONAL UNIV. Rotator Cuff Repair Does Not Affect Repair Integrity BYUNG-YOON PARK / BUSAN BUMIN HOSPITAL Quantitative Assessment of Infraspinatus and Teres Minor in Massive Rotator Cuff Tear and its 08:45-08:50 463 Significance in Relation to Functional Outcome 11:05-11:10 469 Ocular Surface Injury after Shoulder Surgery in the Beach-chair Position HYONG SUK KIM / SEOUL NATIONAL UNIV. JONG DAE KIM / KYUNG HEE UNIV. 08:50-09:00 Discussion The vitamin D level of the rotator cuff muscle correlates with the serum vitamin D level and muscle 11:10-11:15 470 Elbow 3 (K) performance 09:00-09:30 JUNG HAN KIM / INJE UNIV.• JOUNG WOO KIM / WONKWANG UNIV. SUNG-MIN RHEE / SEOUL NATIONAL UNIV. Bilateral radiographic comparison of the lateral compartment physeal closure in osteochondritis 09:00-09:05 464 11:15-11:20 471 Misdiagnosis and Inappropriate Surgeries of Amyotrophic Lateral Sclerosis in Orthopedics dissecans of the elbow HYUNG LAE CHO / GOOD SAMSUN GENERAL HOSPITAL TAEBYEONG KANG / HANYANG UNIV.

11:20-11:30 Discussion

100 101 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room A Saturday, October 20th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Miscellaneous 3 (K) Distal radius fracture (K) 11:30-12:00 08:00-08:30 JAE YOON KIM / CHUNG-ANG UNIV.•MYUNG SUN KIM / CHONNAM NATIONAL UNIV. JIN HO KIM / YESON HOSPITAL• JOO YUP LEE / CATHOLIC UNIV. 11:30-11:35 472 The course of the radial nerve at the humeral shaft : an anatomic study using 3D reconstruction The factors influencing the occurrence of delayed-onset carpal tunnel syndrome after open 08:00-08:06 476 reduction and volar plate fixation of a distal radius fracture MIN YONG AHN / CHUNGBUK NATIONAL UNIV. KYU JIN KIM / GACHON UNIV. 11:35-11:40 473 Assessment of glenoid retroversion using images of computer tomography (CT) Double-Tiered Subchondral Support Fixation and Optimal Distal Dorsal Cortical Distance CHANG HYUN YOO / CATHOLIC UNIV. 08:06-08:12 477 Achievement using a Variable-Angle Volar Locking Plate System for Distal Radius Fractures in the Elderly The Critical Shoulder Angle : Can It Be Sufficient To Reflect The Shoulder Joint Without The 11:40-11:45 474 SANG HA KIM / EULJI UNIV. Humeral Head? SUNG-MIN RHEE / SEOUL NATIONAL UNIV. Dorsal Cortical Screw Penetration in Volar Plate Fixation of Distal Radius Fracture: Analysis using 08:12-08:18 478 Three-Dimensional Computed Tomography 11:45-11:50 475 Position change of scapula with mid-clavicle fracture JAESEUNG HUR / HANYANG UNIV. Saturday

SEOK HA HONG / KOREA UNIV. 08:18-08:30 Discussion

11:50-12:00 Discussion Triangular fibrocartilage complex (K) 08:30-09:00 YOUNG HO KWON/KOSIN UNIV.•IN HYEOK RHYOU/POHANG SM CHRISTIANITY HOSPITAL 12:00~ Closing Ceremony 08:30-08:35 479 The efficacy of surgical treatment in old traumatic TFCC tears

HAN-VIT KANG / CATHOLIC UNIV.

08:35-08:40 480 MRI morphology of triangular fibrocartilage related to the disruption of foveal attachment

JI HUN PARK / KOREA UNIV.

Comparison of conservative versus operative treatment of peripheral TFCC tear after acute distal 08:40-08:45 481 radius fractures.

JEMIN IM / KONKUK UNIV.

Arthroscopic treatment for isolated traumatic lunotriquetral ligament injury without triangular 08:45-08:50 482 fibrocartilage complex lesion WHIJE CHO / SOONCHUNHYANG UNIV.

08:50-09:00 Discussion

Arthroscpy (E) 09:00-09:30 BYUNG SUNG KIM / SOONCHUNHYANG UNIV.•YOUNG KEUN LEE / CHONBUK NATIONAL UNIV. The Effect of Additional Use of 70° Arthroscope on the Outcomes of Arthroscopic Debridement 09:00-09:06 483 for Chronic Recalcitrant Tennis Elbow SUK YOON LEE / HALLYM UNIV.

Prognostic Factors Affecting Outcomes of Arthroscopic Assisted Reduction with Pronator 09:06-09:12 484 Quadratus Preservation for Volar Plating of Intra-Articular Distal Radius Fracture JAE-UK JUNG / DANKOOK UNIV.

102 103 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room B Saturday, October 20th Room B Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. The Effects of Ulnar Plus Variance on the Outcomes of Arthroscopic Repair for Triangular 09:12-09:18 485 11:05-11:10 493 Fractures of Lister’s tubercle and delayed extensor pollicis longus rupture in distal radial fractures Fibrocartilage 1b Tear SUNG JIN HWANG / CHUNGNAM NATIONAL UNIV. JAE-YEON HWANG / HALLYM UNIV. Volar Plating of Distal Radius Fractures: Comparison of the Functional Outcomes of the Pronator 11:10-11:15 494 09:18-09:30 Discussion Quadratus Muscle Repair, Non-repair, and Preserving

09:30-10:00 Coffee Break JONG HEON YANG / DANKOOK UNIV.

Scaphoid nonunion (E) Can the radiologic progression during 1st follow-up visit after closed reduction of distal radius 10:00-10:30 11:15-11:20 495 fracture predict the radiologic outcome? KWANG HYUN LEE / HANYANG UNIV.•JOO YUP LEE / CATHOLIC UNIV. YOUNGKYU KIM / INJE UNIV. 10:00-10:06 486 Treatment of Unstable Scaphoid Nonunion Using Volar Locking plate

YOUNG WOO KWON / KOREA UNIV. 11:20-11:30 Discussion Wrist (E)

Comparison of Two Techniques for the Treatment of Scaphoid Wrist Non-unions : Saturday 10:06-10:12 487 11:30-12:00 Iliac Bone Graft versus Anterolateral Corner of Distal End of Radius SOO JOONG CHOI / HALLYM UNIV.•BYUNG SUNG KIM / SOONCHUNHYANG UNIV. SUNG CHUL SHIN / CATHOLIC KWANDONG UNIV. A Decision Aid Can Decrease Decisional Conflict in Patients Undergoing Plate Fixation for Distal 11:30-11:35 496 Radial Fracture Factors affecting union rate when treating scaphoid nonunion using non-vascularized bone 10:12-10:18 488 SEHUN KIM / SEOUL NATIONAL UNIV. grafting with internal fixation : preliminary report

SEONG YUN PARK / DONGGUK UNIV. 11:35-11:40 497 Lunate preserving pronator quadratus pedicled bone graft in the treatment of Kienb ck’s Disease

10:18-10:30 Discussion YOUNG HO SHIN / ULSAN UNIV.

DRUJ (E) Results over 2 years follow up of open reduction in hamate body fracture with dorsal dislocation of 10:30-11:00 11:40-11:45 498 hamatometacarpal joint YONG JIN KIM / WEST BUSAN CENTUM HOSPITAL•JAE HOON LEE / KYUNG HEE UNIV. Does Degeneration of Triangular Fibrocartilage Complex Improve after Ulnar Shortening KIHUN CHA / DAEJEON SUN MEDICAL CENTER 10:30-10:35 489 Osteotomy? Technique for Intramedullary Stabilization of Ulnar Neck Fractures with Headless Compression 11:45-11:50 499 HYUN SIK SEOK / SEOUL NATIONAL UNIV. Screw

Is the leveling procedure required for distal radius fracture patients with intraosseous cysts of JI SU PARK / YONSEI UNIV. 10:35-10:40 490 lunate caused by ulnar impaction syndrome? 11:50-12:00 Discussion TAE WOOK KIM / KYUNG HEE UNIV. 12:00~ Closing Ceremony 10:40-10:45 491 Ulnar Shortening Osteotomy for Idiopathic Ulnar Impaction Syndrome : 9-Years Follow-up

YONG GEON PARK / PUSAN NATIONAL UNIV.

Three-dimensional ulnolunate distance change during forearm rotation: translation of the ulnar 10:45-10:50 492 head is more important than ulnar variance change SEUNG-HAN SHIN / CATHOLIC UNIV.

10:50-11:00 Discussion

Distal radius fracture (E) 11:00-11:30 SEOK WHAN SONG / CATHOLIC UNIV.•YOUNG HO LEE / SEOUL NATIONAL UNIV. Volar Locking Plating(VLP) versus Percutaneous Kirschner Wires (K‐wire) for distal radius fractures 11:00-11:05 in a young and middle‐aged adult population : a meta‐analysis KERAN SUNDARAJ / NEPEAN HOSPITAL / AUSTRALIA

104 105 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room C Saturday, October 20th Room C Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Tibia/Ankle Fractures (K) Shoulder/Humerus Fracture (K) 08:00-08:30 10:00-10:30 CHANG WUG OH / KYUNGPOOK NATIONAL UNIV.•JUN YOUNG LEE / CHOSUN UNIV. JAE KWANG YUM / INJE UNIV.•WOONG KYO JEONG / KOREA UNIV. Case-Match Controlled Comparison of Bone Transport over the Nail and Bone Transport over the Comparision of minimally invasive plate osteosynthesis using narrow locking compression plate 08:00-08:06 500 Plate for the Segmental Bone Defect of Tibia 10:00-10:06 509 versus long humeral locking plate for humerus shaft fractures with proximal or distal Fracture IL SEO / KYUNGPOOK NATIONAL UNIV. Extension SUK-JAE PARK / CATHOLIC UNIV. Subtalar arthroscopy can improve joint congruency in operative treatment of Sanders type 2 08:06-08:12 501 calcaneal fractures Mortality and cause of death after humerus fracture patients after surgery: A national cohort 10:06-10:12 510 CHUL HYUN PARK / YEUNGNAM UNIV. longitudinal follow up study JEOG-HWAN LEE / HALLYM UNIV. Early Posteromedial Plate Fixation Combined External Fixation of Diaphyseal Extensions in Pilon 08:12-08:18 502 Fracture : short-term follow up results Treatment of Unstable Distal Clavicle Fractures With Multiple Steinmann Pins—A Modification of 10:12-10:18 511 JAE HWAN LIM / CHOSUN UNIV. Neer’s Method : A Series of 56 Consecutive Cases

NA-KYOUNG LEE / SEOUL NATIONAL UNIV. Saturday 08:18-08:30 Discussion 10:18-10:30 Discussion Around Knee Fractures (K) 08:30-09:00 Hip Fractures (K) SUK KYU CHOO / INJE UNIV.•JAE ANG SIM / GACHON UNIV. 10:30-11:00 YERL BO SUNG / INJE UNIV.•YOUNG KYUN LEE / SEOUL NATIONAL UNIV. 08:30-08:36 503 Patella fractures in elderly patients : CT-based analysis 10:30-10:36 512 Postoperative acute kidney injury afterhip fracture in elderly patients JI WAN KIM / ULSAN UNIV. YUNG HUN YOON / INHA UNIV. The interobserver reliability of AO/OTA classification and treatment recommendations according to 08:36-08:42 504 imaging modalities in patellar fracture 10:36-10:42 513 New Limited Sliding Screws (LSS) for effective control of femoral neck shortening after fracture SEONG-EUN BYUN / CHA UNIV. KYU SUB UM / YONSEI UNIV. Coronal Malalignment after Surgical Treatment of Tibial Plateau Fracture : the Incidence and the 08:42-08:48 505 Detection of Occult Femoral Neck Fracture Associated with Femoral Shaft Fracture in Negative Effect on the Functional Outcome 10:42-10:48 514 Preoperative Computed Tomography Scans: Report on the ‘CT Capsular Sign’ and Reassessment of JI HYEON PARK / GACHON UNIV. Unexplained Cases YOUNGCHANG PARK / CATHOLIC KWANDONG UNIV. 08:48-09:00 Discussion

Elbow/Wrist Fractures (K) 10:48-11:00 Discussion 09:00-09:30 SOO-HONG HAN / CHA UNIV.•YOUNG HO LEE / SEOUL NATIONAL UNIV. Atypical Femoral Fractures (K) Simple posteromedial elbow dislocations: the characteristics, patterns of soft tissue injuries, 11:00-11:30 09:00-09:06 506 YOUNG CHANG KIM / INJE UNIV.•GU HEE JUNG / GYEONGSANG NATIONAL UNIV. treatments, and outcomes Atypical Femoral FracturesAssociated with Bisphosphonates Differ from Those Without Exposure 11:00-11:06 515 HYUNG-JOO KIM / KEIMYUNG UNIV. to Bisphosphonates. YOUNG HO ROH / JEJU NATIONAL UNIV. 09:06-09:12 507 Paratricipital approach for OTA type C2 intra-articular fracture of distal humerus Location of atypical femoral fractures can be determined by the mechanical axis of lower limb : CT- DEUKHEE JUNG / DAEJEON SUN MEDICAL CENTER 11:06-11:12 516 based finite element analysis Volar locking fixation for distal radius fracture in patients with concurrent hip fractures: A matched 09:12-09:18 508 JI WAN KIM / ULSAN UNIV. pair analysis of elderly patients HYOUNG-SEOK JUNG / CHUNG-ANG UNIV. 11:12-11:18 517 Plate fixation for Atypical Femoral Fractures

KA RAM KIM / DAEGU FATIMA HOSPITAL 09:18-09:30 Discussion

09:30-10:00 Coffee Break 11:18-11:30 Discussion

106 107 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Saturday, October 20th Room C Saturday, October 20th Room Diamond Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. Femur Fractures (K) The Korean Shoulder and Elbow Society 11:30-12:00 KEE HAENG LEE / CATHOLIC UNIV.•HYUNG KEUN OH / INJE UNIV. 08:00-09:00 Arthroplasty in shoulder and elbow : Guide for young surgeon

11:30-11:36 518 Frequency and Associated Factor of Atypical Periprosthetic Femoral Fracture YEO SEUNG YOON / YEONGJU RED CROSS HOSPITAL

HEEJAE WON / SEOUL NATIONAL UNIV. 08:00-08:12 42 Arthroplasty in proximal humerus fracture

Biomechanical effect of additional medial plate fixation in lateral locked plating for distal femur MYUNG SUN KIM / CHONNAM NATIONAL UNIV. 11:36-11:42 519 fracture 08:12-08:24 43 Conventional total shoulder arthroplasty KYEONG-HYEON PARK / KYUNGPOOK NATIONAL UNIV. JONG PIL YOON / KYUNGPOOK NATIONAL UNIV. 11:42-11:48 520 Risk Factors for Knee Stiffness in Distal Femoral Fractures 08:24-08:36 44 Concept and evolution of reverse total shoulder arthroplasty HYUNG-IN CHO / MYONGJI HOSPITAL WOONG-KYO JEONG / KOREA UNIV.

11:48-12:00 Discussion Saturday 08:36-08:48 45 Total elbow arthroplasty : design and technical tip 12:00~ Closing Ceremony JUN GYU MOON / KOREA UNIV.

08:48-09:00 Discussion

09:30-10:00 Coffee Break

CAOS 10:00-11:00 Biomedical Imaging & Biomechanics SHIN YOON KIM / KYUNGPOOK NATIONAL UNIV. 10:00-10:15 46 Clinical Application of 3-D Printing Technology

JI WAN KIM / ULSAN UNIV.

10:15-10:30 47 3-Dimensional Analysis of MR and CT Images

JOON HO WANG / SUNGKYUNKWAN UNIV.

10:30-10:45 48 Current Concept of Biomechanics and Motion Analysis in Orthopedic surgery

YOON HYUK KIM / KYUNG HEE UNIV.

10:45-11:00 Discussion

Korean Orthopaedic Society for Sports Medicine 11:00-12:00 Sports specific injury & rehabilitation YOON JE CHO / KYUNG HEE UNIV. 11:00-11:12 49 Sports-specific injury in upper extremity

JONG HUN JI / CATHOLIC UNIV.

11:12-11:24 50 Sports-specific rehabilitation in upper extremity

JOUNG WOO KIM / WONKWANG UNIV.

11:24-11:36 51 Sports-specific injury in lower extremity

CHUL WON HA / SUNGKYUNKWAN UNIV.

108 109 The 62nd Annual Congress of the Korean Orthopaedic Association

Saturday, October 20th Room Diamond Presentation Time Subject Moderator / Speaker No.

11:36-11:48 52 Sports-specific rehabilitation in lower extremity

SAHNG HOON LEE / CM HOSPITAL

11:48-12:00 Discussion

12:00~ Closing Ceremony

110 Symposium >> The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room B-1 Thursday, October 18th Room B-1

Time Subject Moderator / Speaker Time Subject Moderator / Speaker

08:00-08:10 Biomechanical study of screw fixation and plate fixation of a posterior malleolar fracture in a simulation Opening Ceremony 11:34-11:46 of the normal gait cycle

MA XIN / FUDAN UNIVERSITY / CHINA Pediatric 1 08:40-09:40 Pediatric & adolescent sports injury - lower extremity - CHANG HOON JEONG / CATHOLIC UNIV. 11:46-11:58 Knee contact force estimation using dynamics simulation

08:40-08:55 Patella instability in children and adolescents SEUNG BEOM KOO / KAIST / KOREA

MOHAMMAD ASHIK ZAINUDDIN / KK WOMEN'S AND CHILDREN'S HOSPITAL / SINGAPORE 11:58-12:10 Discussion

08:55-09:10 Meniscal Injuries in Adolescent Patients with Anterior Cruciate Ligament Tear 12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B)

HSUAN-KAI KAO / CHANG GUNG MEMORIAL HOSPITAL AT LINKOU / TAIWAN 12:30-13:30 Lunch (Room A, Emerald A, B)

09:10-09:25 Pediatric Orthopedic Foot Disease Requiring Differentiation from Foot Sports Disorder in Growth Period Musculoskeletal tumors 13:30-14:30 KATSUAKI TAIRA / SAITAMA CHILDREN'S MEDICAL CENTER / JAPAN Asian Young Investigators' Session on Orthopedic Oncology SO HAK CHUNG / KOSIN UNIV. Set-up of clinical network in Nagoya University Hospital for patients with neurofibromatosis type 1 : 13:30-13:50 09:25-09:40 Discussion Surveillance of patients with the risk of MPNST KUNIHIRO IKUTA / NAGOYA UNIVERSITY GRADUATE SCHOOL OF MEDICINE / JAPAN 09:40-10:10 Coffee Break Symposium Pediatric 2 13:50-14:10 Management of NF1 related MPNST 10:10-11:10 Selected topics in neuromuscular diseases HYUN WOO KIM / YONSEI UNIV. JUNJI WASA / SHIZUOKA CANCER CENTER HOSPITAL / JAPAN 10:10-10:25 Treatment of neuromuscular spinal deformities 14:10-14:30 Limb sparing surgery for bone and soft-tissue tumor: Lerdsin Hospital experience ZAID AL AUBAIDI / BURJEEL HOSPITAL / UNITED ARAB EMIRATES PIYA KIATISEVI / LERDSIN HOSPITAL / THAILAND 10:25-10:40 Shoulder muscle transfer and Glenoid osteotomy in Birth brachial plexus injury Ultrasonography in Orthopaedics CHASANAL RATHOD / MAHATMA GANDHI INSTITUTE OF MEDICAL SCIENCES / INDIA 14:30-15:30 What's New CHANG HYUK CHOI / DAEGU CATHOLIC UNIV.•JAE HOON AHN / CATHOLIC UNIV. 10:40-10:55 Treatment strategies for Arthrogryopis Multiplex Congenita 14:30-14:42 Shoulder

JAVED IQBAL / THE CHILDREN‘S HOSPITAL, LAHORE / PAKISTAN BONG GUN LEE / HANYANG UNIV. / KOREA

10:55-11:10 Discussion 14:42-14:54 Hand and wrist

Orthopaedic Research HYUN IL LEE / INJE UNIV. / KOREA 11:10-12:10 Biomechanical studies with cadaver experiment 14:54-15:06 Sports injury of Foot and ankle SUNG-JAE LEE / INJE UNIV.•YANG SOO KIM / CATHOLIC UNIV. JUN SASAHARA / TEIKYO UNIV. / JAPAN 11:10-11:22 Recent Topics of Anterior Dislocation of the Shoulder: From the Viewpoint of Biomechanics

NOBUYUKI YAMAMOTO / TOHOKU UNIVERSITY SCHOOL OF MEDICINE / JAPAN 15:06-15:18 Beyond Gray-scale Ultrasonography with New Technology WOONG-KYO JEONG / KOREA UNIV. / KOREA 11:22-11:34 Use of cadaveric material in spinal research. Plus points and Pitfalls

RICHARD M HALL / ENGINEERING FACULTY OF ENGINEERING UNIVERSITY OF LEEDS / U.K. 15:18-15:30 Discussion

114 115 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room C-1 Thursday, October 18th Room C-1

Time Subject Moderator / Speaker Time Subject Moderator / Speaker

08:00-08:10 Opening Ceremony 14:00-14:15 Utilization of National Insurance Database in Orthopaedic Research, Taiwan’s experience LIANG-TSENG KUO​ / CHANG GUNG MEMORIAL HOSPITAL / TAIWAN

Shoulder & Elbow 1 14:15-14:30 Discussion 10:10-11:10 YONG GIRL RHEE / KYUNG HEE UNIV. ASAMI 10:10-10:25 Recent Topics Related to Suture Anchors Used in Rotator Cuff Repair 14:30-15:30 External fixator in special conditions NOBUYUKI YAMAMOTO / TOHOKU UNIVERSITY / JAPAN SUNG-TAEK JUNG / CHONNAM NATIONAL UNIV.•TAE JOON CHO / SEOUL NATIONAL UNIV. Reconstruction of segmental bone defects due to osteomyelitis using Masquelet technique with external 10:25-10:40 Managing Massive cuff tear with Frozen shoulder : Staged versus All-in-One? 14:30-14:43 fixator YUNG SHU HANG PATRICK / THE CHINESE UNIVERSITY OF HONG KONG / HONG KONG XIN ZENGFENG / ZHEJIANG UNIVERSITY / CHINA

10:40-10:55 Acute traumatic massive retracted full thickness (drop arm) cuff tear-arthroscopic double row repair 14:43-14:56 External fixator in Skeletal dysplasia

MUKESH LADDHA / NAGPUR, MAHARASHTRA / INDIA MICHAEL TO / THE UNIVERSITY OF HONG KONG / HONG KONG

10:55-11:10 Discussion 14:56-15:09 External fixator in Complex deformities of foot Shoulder & Elbow 2

11:10-12:10 MOFAKHKHARUL BARI / BARI ILIZAROV ORTHOPEDIC CENTER / BANGLADESH Symposium SANG-JIN SHIN / EWHA WOMANS UNIV. 11:10-11:25 Irreparable cuff tears 15:09-15:22 Decreasing the complications of external fixation by new device

KANCHAN BHATTACHARYYA / CALCUTTA MEDICAL RESEARCH INSTITUTE, AMRI HOSPITALS / INDIA YOSHINOBU OKA / KYOTO PREFECTURAL UNIVERSITY OF MEDICINE / JAPAN

The effects of glenosphere tilting, inferior displacement and humeral component retroversion on the 15:22-15:30 Discussion 11:25-11:40 range of motion and impingement after reverse total shoulder arthroplasty. PRINCE SHANAVAS KHAN / ASTER MIMS / INDIA

11:40-11:55 Arthroscopic treatment of radial head fractures

CHISTIAN GONZALEZ JOFRE / UNIVERSITY OF VALPARAISO PRE / CHILE

11:55-12:10 Discussion

12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B)

12:30-13:30 Lunch (Room A, Emerald A, B) Shoulder & Elbow 3 13:30-14:30 HYUN SEOK SONG / CATHOLIC UNIV. 13:30-13:45 Bilayer Electrospun Scaffolds with Controlled Drug Release for Rotator Cuff Tendon-Bone Healing

LUNING SUN / JIANGSU PROVINCE HOSPITAL OF TCM / CHINA

13:45-14:00 3D measurement of subacromial space volume, a new idea

MOUSTAFA ISMAIL IBRAHIM ELSAYED / SOHAG UNIVERSITY HOSPITAL / EGYPT

116 117 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Diamond Friday, October 19th Room B-1

Time Subject Moderator / Speaker Time Subject Moderator / Speaker

Symposium Spine Hand 09:00-09:20 10:00-11:00 DAE MOO SHIM / WONKWANG UNIV. Carpal instability MIN JONG PARK / SUNGKYUNKWAN UNIV.•SOO-HONG HAN / CHA UNIV.

09:00-09:12 Single position lumbar spine surgery : external fixator 10:00-10:10 Anatomy and Current Biomechanical Concepts of Carpal Ligament

JOHN Y S CHOI / SPINE ORTHO CLINIC / AUSTRALIA JONG PIL KIM / DANKOOK UNIV. / KOREA

09:12-09:20 Discussion 10:10-10:20 Classification and Clinical Impacts of Carpal Instability

JOO YUP LEE / CATHOLIC UNIV. / KOREA

10:20-10:30 The Role of Arthroscopy in Treatment of Acute Intercarpal Ligament Injuries

MASAHIRO TATEBE / NAGOYA UNIVERSITY / JAPAN

10:30-10:40 Reconstructive Surgery for Chronic Scapholunate Dissociation

MIN JONG PARK / SUNGKYUNKWAN UNIV. / KOREA

10:40-10:50 An update of treatment for Midcarpal Instability

CLARA WING-YEE WONG / PRINCE OF WALES HOSPITAL / HONG KONG Symposium

10:50-11:00 Discussion

Fracture 11:00-12:00 Salvage of failed fracture fixation CHANG WUG OH / KYUNG POOK NATIONAL UNIV.

11:00-11:15 Salvage of failed femur neck facture fixation

MARK REILLY / RUTGERS - NEW JERSEY MEDICAL SCHOOL / USA

11:15-11:30 Salvage of failed intertrochanteric fracture fixation

SUTHORN BAVONRATANAVECH / BANGKOK ORTHOPAEDIC CENTER, BANGKOK HOSPITAL / THAILAND

11:30-11:45 Management of Neglected / Delayed Presenting Acetabular Fractures : Salvaging a Tough Situation

JAMAL ASHRAF / UM&TC, LUCKNOW / INDIA

11:45-12:00 Discussion

12:00-12:20 Lunchoen Symposium (Room A, Emerald A)

12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B)

13:30-14:00 Presentation of Scientific Award Paper (Room A)

14:00-14:30 President Lecture (Room A)

118 119 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room B-1 Friday, October 19th Room C-1

Time Subject Moderator / Speaker Time Subject Moderator / Speaker

Hip Arthroscopy 1 08:00-09:05 16:00-17:00 Recent Advances and Issues in Hip Arthroplasty Cartilage & Meniscus CHONG HYUK CHOI / YONSEI UNIV.•JIN GOO KIM / KONKUK UNIV. WON YONG SHON / BUMIN HOSPITAL•YOUN SOO PARK / SUNGKYUNKWAN UNIV. 08:00-08:10 Cartilage Repair in 2018

16:00-16:15 The importance of computer technology in hip osteotomy DAVE LEE / CHANGI GENERAL HOSPITAL / SINGAPORE YUTAKA INABA / YOKOHAMA CITY UNIVERSITY / JAPAN Cartilage repair using tissue-engineered cartilage : Its clinical outcomes and modifications of the 08:10-08:20 procedure 16:15-16:30 Navigation in difficulty hip replacement NOBUO ADACHI / HIROSHIMA UNIVERSITY / JAPAN PORNPAVIT SRIPHIROM / RANGSIT UNIVERSITY / THAILAND 08:20-08:30 Treatment strategy for meniscus extrusion to preserve meniscal function The development of a novel locking reinforcement device for revision hip arthroplasty with massive 16:30-16:45 acetabular bone loss HIDEYUKI KOGA / TOKYO MEDICAL AND DENTAL UNIVERSITY / JAPAN PANG-HSIN HSIEH / CHANG GUNG MEDICAL CENTER / TAIWAN 08:30-08:40 Meniscal extrusion, translocation, and shift following arthroscopic knee surgeries

16:45-17:00 Discussion TAKAYUKI FURUMATSU / OKAYAMA UNIVERSITY HOSPITAL / JAPAN

08:40-08:50 All inside medial meniscus root repair and meniscus extrusion reduction

BANCHA CHERNCHUJIT / THAMMASAT UNIVERSITY / THAILAND Symposium

08:50-09:05 Discussion

Arthroscopy 2 09:05-10:10 ACL KWANG WON LEE / EULJI UNIV.•JOON HO WANG / SUNGKYUNKWAN UNIV. 09:05-09:15 The Best Evidence in ACL Reconstruction

RYOSUKE KURODA / KOBE UNIVERSITY GRADUATE SCHOOL OF MEDICINE / JAPAN

09:15-09:25 Effects of Remnant Tissue Preservation on Clinical Outcome after Double-bundle ACL Reconstruction

EIJI KONDO / HOKKAIDO UNIVERSITY / JAPAN

09:25-09:35 Hamstring tendon autografts in ACL reconstruction : Does size matter ?

LINGARAJ KRISHNA / NATIONAL UNIVERSITY OF SINGAPORE / SINGAPORE

09:35-09:45 ACL reconstruction : Which grafts can be used if hamstring is too small ?

ANDRI LUBIS / UNIVERSITY OF INDONESIA / INDONESIA

09:45-09:55 The Graft Bending Angle Can Affect Early Graft Healing After ACL Reconstruction

YASUTAKA TASHIRO / KYUSHU ROSAI HOSPITAL / JAPAN

09:55-10:10 Discussion

10:10-10:20 Coffee Break

120 121 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room C-1 Friday, October 19th Room C-1

Time Subject Moderator / Speaker Time Subject Moderator / Speaker

Arthroscopy 3 14:42-14:54 Fixed bearing UKA 10:20-11:00 ACL / ALL HEE-SOO KYUNG / KYUNGPOOK NATIONAL UNIV.•JAE DOO YOO / EWHA WOMANS UNIV. SENG JIN YEO / SINGAPORE GENERAL HOSPITAL / SINGAPORE The Role of Anterior CW-HTO + ACL Reconstruction In Reducing High-grade Pivot-shift and Eliminating 10:20-10:30 Excessive Anterior Tibial Translation 14:54-15:06 Effects of joint line elevation in medial Unicompartmental Knee Arthroplasty

GUAN-YANG SONG / BEIJING JISHUITAN HOSPITAL/ CHINA SRIHATACH GEORGE NGARMUKOS / CHULALONGKORN UNIVERSITY / THAILAND

10:30-10:40 Anterolateral ligament reconstruction of the Knee : Facts & Ficts 15:06-15:30 Discussion YUNG PATRICK / THE CHINESE UNIVERSITY OF HONG KONG / HONG KONG 15:30-16:00 Coffee Break A biomechanical assessment of a distally-based lateral extra-articular tenodesis in the treatment of 10:40-10:50 Knee 2 anterolateral rotational laxity of the knee 16:00-17:00 Total Knee Arthroplasty I BRIAN DEVITT / SCHOOL OF ALLIED HEALTH, LA TROBE UNIVERSITY / AUSTRALIA SEUNG-BAIK KANG / SEOUL NATIONAL UNIV.•YOUNG WAN MOON / SUNGKYUNKWAN UNIV. 10:50-11:00 Discussion 16:00-16:15 TKR in severe Varus : Valgus Deformities

Arthroscopy 4 PARAG KANTILAL SANCHETI / SANCHETI INSTITUTE FOR ORTHOPAEDICS & REHABILITATION / INDIA 11:00-11:55 Multiligament / Osteotomy NAM HONG CHOI / EULJI UNIV.•KYOUNG HO YOON / KYUNG HEE UNIV. 16:15-16:30 What is optimal alignment in TKA?

11:00-11:10 Lateral side injury in multiple knee ligament injury Symposium SHUICHI MATSUDA / KYOTO UNIVERSITY / JAPAN CHANAKARN PHORNPHUTKUL / CHIANGMAI UNIVERSITY / THAILAND 16:30-16:45 Modified kinematically aligned total knee arthroplasty 11:10-11:20 Operative strategy in posterior corner (PLC/PMC) injury of knee joint TOMOYUKI MATSUMOTO / KOBE UNIVERSITY / JAPAN HUNG-MAAN LEE / TAOYUAN ARMED FORCES GENERAL HOSPITAL / TAIWAN 16:45-17:00 Discussion Arthroscopy-Assisted Corrective Osteotomy with Allograft Augmentation for Tibial Plateau Malunion or 11:20-11:30 Nonunion Knee 3 YI-SHENG CHAN / CHANG GUNG MEMORIAL HOSPITAL-LINKOU &UNIVERSITY COLLEGE OF MEDICINE / TAIWAN 17:00-18:00 Total Knee Arthroplasty II

MYUNG CHUL LEE / SEOUL NATIONAL UNIV.•HEE-SOO KYUNG / KYUNG POOK NATIONAL UNIV. 11:30-11:40 Derotational osteotomy for patella subluxation secondary to excessive torsion deformity 17:00-17:15 Total knee arthroplasty for traumatic arthritis FENG HUA / BEIJING JISHUITAN HOSPITAL / CHINA YIXIN ZHOU / JISHIUITAN HOSPITAL / CHINA 11:40-11:55 Discussion 17:15-17:30 The strategy to improve longevity in revision TKA

MEL S. LEE / KAOHSIUNG CHANG GUNG MEMORIAL HOSPITAL / TAIWAN 12:00-12:20 Lunchoen symposium (Room A, Emerald A)

12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) 17:30-17:45 Managing bone defects in revision TKR AZHAR M. MERICAN / UNIVERSITY MALAYA MEDICAL CENTER / MALAYSIA 13:30-14:00 Presentation of Scientific Award Paper (Room A)

14:00-14:30 President Lecture (Room A) 17:45-18:00 Discussion Knee 1 14:30-15:30 High Tibial Osteotomy & Unicompartmental Knee Arthroplasty

SEUNG SUK SEO / BUMIN HOSPITAL BUSAN•YONG IN / CATHOLIC UNIV. 14:30-14:42 Strategy of Surgical Treatment for Osteoarthritis of the Knee

RYOHEI TAKEUCHI / YOKOSUKA CITY HOSPITAL / JAPAN

122 123 The 62nd Annual Congress of the Korean Orthopaedic Association

Saturday, October 20th Room A

Time Subject Moderator / Speaker

Shoulder & Elbow 4 10:00-11:00 SEUNG HO KIM / MADI SHOULDER HOSPITAL 10:00-10:15 Posterior Shoulder Instability Management : What is difficult or easy?

MUSTAFA KARAHAN / MARMARA UNIVERSITY SCHOOL OF MEDICINE, ISTANBUL / TURKEY

10:15-10:30 Arthrolatarjet : A retrospective study on union and graft positioning

ASHUTOSH ARVIND AJARI / AADHYA ORTHOPAEDIC AND PHYSIOTHERAPY CARE PUNE / INDIA

10:30-10:45 Rotator cuff repair : results of single row repair

ABHAY KULKARNI​ / SAHYADRI SPECIALITY HOSPITAL, RUBY HALL CLINIC / INDIA

10:45-11:00 Discussion

124 Instructional Course Lecture >> The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Diamond Thursday, October 18th Room Diamond Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No. 08:00-08:10 Opening Ceremony 12:10-12:30 Lunchoen Symposium (Room A, Emerald A, B)

08:10-09:10 The Korean Musculoskeletal Tissue Transplantation Society 12:30-13:30 Lunch (Room A, Emerald A, B) Basics in bone and soft tissue transplantation SOO JAE YIM / SOONCHUNHYANG UNIV. 13:30-14:30 ASAMI 08:10-08:22 1 Sterilization and storage of allograft Deformity Correction - Advanced Techniques HAE-RYONG SONG / KOREA UNIV.

JIN YOUNG JEONG / CATHOLIC UNIV. 13:30-13:43 11 Deformity Correction by Conventional Ilizarov system

08:22-08:34 2 Auto-, allo-bone graft JAE HO CHO / AJOU UNIV.

DONG HUN SUH / KOREA UNIV. 13:43-13:56 12 Deformity Correction by Computer-assisted EF system

08:34-08:46 3 Synthetic bone graft substitue HOON PARK / YONSEI UNIV.

YOUNG SOO CHUN / KYUNG HEE UNIV. 13:56-14:09 13 Deformity Correction by Internal Fixation system

08:46-08:58 4 Soft tissue graft MI HYUN SONG / KOREA UNIV.

YOUNG JIN SEO / HALLYM UNIV. 14:09-14:22 14 Mind Boggling Deformities - From Challenge to Opportunities

08:58-09:10 Discussion MOFAKHKHARUL BARI / BARI ILIZAROV ORTHOPEDIC CENTER / BANGLADESH

09:40-10:10 Coffee Break 14:22-14:30 Discussion

10:10-11:10 Korean Orthopaedic Research Society 14:30-15:30 The Korean Musculoskeletal Tumor Society Biomechanics of Arthroplasty SUNG JAE LEE / INJE UNIV., HYUK-SOO HAN / SEOUL NATIONAL UNIV. Musculoskeletal Problems in Cancer Patients JUNG RYUL KIM / CHONBUK NATIONAL UNIV. ICL Program 10:10-10:25 5 Hip 14:30-14:47 15 Musculoskeletal problems in cancer patients/survivors

YOUNG KYUN LEE / SEOUL NATIONAL UNIV. EUN SEOK CHOI / CHUNGNAM NATIONAL UNIV.

10:25-10:40 6 Knee 14:47-15:04 16 Understanding bone metastases: Implications for patient management

CHOONG SOO SHIN / SOGANG UNIV. HWAN SEONG CHO / SEOUL NATIONAL UNIV.

10:40-10:55 7 Shoulder 15:04-15:21 17 Treating patients with bone metastases

SANG-JIN SHIN / EWHA WOMANS UNIV. JUNE HYUK KIM / NATIONAL CANCER CENTER

10:55:11:10 Discussion 15:21-15:30 Discussion

11:10-12:10 Korean Society of Spine Surgery 15:30-16:00 Coffee Break Deformity EUNG-HA KIM / SOONCHUNHYANG UNIV. 16:00-17:00 The Korean Society of Osteoporosis 11:10-11:25 8 Adolescent Idiopathic Scoliosis Osteoporosis YE SOO PARK / HANYANG UNIV.

CHANG JU HWANG / ULSAN UNIV. 16:00-16:20 18 Evolution of osteoporosis treatment: History and medical treatment

11:25-11:40 9 Congenital Scoliosis HUN-KYU SHIN / SUNGKYUNKWAN UNIV.

SUNG-SOO KIM / INJE UNIV. 16:20-16:40 19 Issues related to osteoporotic spinal fractures

11:40-11:55 10 Adult Spinal Deformity DEUK SOO JUN / GACHON UNIV.

JUNG-HEE LEE / KYUNG HEE UNIV.

11:55-12:10 Discussion 128 129 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Thursday, October 18th Room Diamond Friday, October 19th Room Diamond Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No.

16:40-17:00 20 Issues related to osteoporotic hip fractures 08:00-09:00 The Korean Society for Surgery of the Hand KEE HYUNG RHYU / KYUNG HEE UNIV. Unstable upper extremity joints HYUN DAE SHIN / CHUNGNAM NATIONAL UNIV.

08:00-08:15 25 Unstable finger and thumb (PIP joint / Skier's thumb) 17:00-18:00 The Korean Knee Society Total Knee Arthroplasty SEUNG SUK SEO / BUMIN HOSPITAL JAE HOON LEE / KYUNG HEE UNIV.

17:00-17:13 21 Knee prosthesis and Biomechanics 08:15-08:30 26 Unstable wrist

GUAN GYU PARK / YONSEI UNIV. JOO YUP LEE / CATHOLIC UNIV.

17:13-17:26 22 Alignment and Bone cutting 08:30-08:45 27 Unstable elbow

YONG SEUK LEE / SEOUL NATIONAL UNIV. SOO-HONG HAN / CHA UNIV.

17:26-17:39 23 Deformity correction and Ligament balancing 08:45-09:00 Discussion HAN JUN LEE / CHUNGANG UNIV.

17:39-17:52 24 Complications of Total Knee Arthroplasty 09:20-10:00 Coffee Break

YOUNG WAN MOON / SUNGKYUNKWAN UNIV. 10:00-11:00 The Korean Foot & Ankle Society Current updates in foot and ankle management HO SEONG LEE / ULSAN UNIV. 17:52-18:00 Discussion 10:00-10:12 28 Management of OLT

JIN WHA CHUNG / CATHOLIC UNIV.

10:12-10:24 29 Total ankle Arthroplasty ICL Program

BOM SOO KIM / INHA UNIV.

10:24-10:36 30 Treatment of Achilles tendon rupture

JUN-BEOM KIM / DAEJEON SUN HOSPITAL

10:36-10:48 31 Ankle fracture in diabetes and Charcot joint

SANG GYO SEO / ULSAN UNIV.

10:48-11:00 Discussion

11:00-12:00 The Korean Paediatric Orthopaedic Society Principle and Pitfalls in Pediatric Trauma Care HAN YONG LEE / CATHOLIC UNIV.

11:00-11:15 32 Principle of pediatric trauma care

HOON PARK / YONSEI UNIV.

11:15-11:30 33 Pitfalls in treatment of upper extremity fracture

KI HYUK SUNG / SEOUL NATIONAL UNIV.

11:30-11:45 34 Pitfalls in treatment of lower extremity fracture

SEOK JUNG KIM / CATHOLIC UNIV.

11:45-12:00 Discussion 130 131 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

Friday, October 19th Room Diamond Saturday, October 20th Room Diamond Presentation Presentation Time Subject Moderator / Speaker Time Subject Moderator / Speaker No. No.

12:00-12:20 Lunchoen Symposium (Room A, Emerald A) 08:00-09:00 The Korean Shoulder and Elbow Society Arthroplasty in shoulder and elbow : Guide for young surgeon 12:20-13:30 The 63rd Regular General Assembly (Room A) & Lunch (Room A, Emerald A, B) YEO SEUNG YOON / YEONGJU RED CROSS HOSPITAL 13:30-14:00 Presentation of Scientific Award Paper (Room A) 08:00-08:12 42 Arthroplasty in proximal humerus fracture

14:00-14:30 President Lecture (Room A) MYUNG SUN KIM / CHONNAM NATIONAL UNIV.

14:30-15:30 The Korean Hip Society 08:12-08:24 43 Conventional total shoulder arthroplasty Innovations in Hip Surgery YOON JE CHO / KYUNG HEE UNIV. JONG PIL YOON / KYUNGPOOK NATIONAL UNIV. 14:30-14:45 35 Alternative Bearings & Bearing Surface Related Complications

SANG MIN KIM / KOREA UNIV. 08:24-08:36 44 Concept and evolution of reverse total shoulder arthroplasty WOONG-KYO JEONG / KOREA UNIV. 14:45-15:00 36 Avoiding Instability & Optimal Cup Placement : Spine-Pelvis Relationships

YOUNG WOOK LIM / CATHOLIC UNIV. 08:36-08:48 45 Total elbow arthroplasty: design and technical tip JUN GYU MOON / KOREA UNIV. 15:00-15:15 37 Diagnosis & Management of Periprosthetic Joint Infection : New Tests & Techniques

JE HYUN YOO / HALLYM UNIV. 08:48-09:00 Discussion

09:30-10:00 Coffee Break 15:15-15:30 Discussion 10:00-11:00 CAOS 15:30-16:00 Coffee Break Biomedical Imaging & Biomechanics SHIN YOON KIM / KYUNGPOOK NATIONAL UNIV.

10:00-10:15 46 Clinical Application of 3-D Printing Technology ICL Program

17:00-18:00 The Korean Fracture Society JI WAN KIM / ULSAN UNIV. Management of geriatric fractures KEUN BAE LEE / CHONNAM NATIONAL UNIV. 10:15-10:30 47 3-Dimensional Analysis of MR and CT Images 17:00-17:12 38 Perioperative and postoperative considerations in geriatric fractures JOON HO WANG / SUNGKYUNKWAN UNIV. HYUNG KEUN OH / INJE UNIV.

10:30-10:45 48 Current Concept of Biomechanics and Motion Analysis in Orthopedic Suregry 17:12-17:24 39 Intertrochanteric hip fractures : How to avoid complications YOON HYUK KIM / KYUNG HEE UNIV. JONG KEON OH / KOREA UNIV.

10:45-11:00 Discussion 17:24-17:36 40 Management of atypical fractures Korean Orthopaedic Society for Sports Medicine KI CHUL PARK / HANYANG UNIV. 11:00-12:00 Sports specific injury & rehabilitation YOON JE CHO / KYUNG HEE UNIV. 17:36-17:48 41 Management of THA periprosthetic fractures 11:00-11:12 49 Sports-specific injury in upper extremity BYUNG WOO MIN / KEIMYUNG UNIV. JONG HUN JI / CATHOLIC UNIV.

17:48-18:00 Discussion 11:12-11:24 50 Sports-specific rehabilitation in upper extremity

JOUNG WOO KIM / WONKWANG UNIV.

11:24-11:36 51 Sports-specific injury in lower extremity

CHUL WON HA / SUNGKYUNKWAN UNIV.

132 133 The 62nd Annual Congress of the Korean Orthopaedic Association

Saturday, October 20th Room Diamond Presentation Time Subject Moderator / Speaker No.

11:36-11:48 52 Sports-specific rehabilitation in lower extremity

SAHNG HOON LEE / CM HOSPITAL

11:48-12:00 Discussion

12:00~ Closing Ceremony

134 Poster Sessions >> The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

1 Common Upper Extremity Disorder, Function, and Upper Extremity-related Quality of Life: A Cross- sectional 12 Bone Metastasis from Lung Cancer Mimicking Osteomyelitis of the Calcaneus: A case report Study in the General Korean Population 1. SEOUL REDCROSS HOSPITAL { Orthopaedic } SEOK MIN HWANG1 , YEONG RYUNG LEE1 , JOON SIK AHN1 1. GYEONGSANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE AND GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } , 2. GYEONGSANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE AND 13 Fixation of osteochondral lesion of the talus using cortical bone picks -A case report- GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Others (Preventive Medicine ) } DONG KYU MOON1 , YOUNG JIN 1. CM GENERAL HOSPITAL { Orthopaedic } JINSU KIM1 , YOUNGRAK CHOI1 , SANGYOUNG LEE1 , JUNGJIN YOU 1 PARK1 , JIN SUNG PARK1 , DAE-CHEOL NAM1 , DONG HEE KIM1 , KI-SOO PARK2 , SUN CHUL HWANG1 14 Is Simple Skin Graft Enough for Intractable Foot and Ankle Wound Management? 2 Enhanced Tendon-to-Bone Healing of Chronic Rotator Cuff Tears by Bone Marrow Aspirate 1. ST. VINCENTS HOSPITAL { Orthopaedic } , 2. ST. VINCENTS HOSPITAL { Orthopaedic } , 3. SEOUL ST. MARYS 1. HALLYM UNIV { Orthopaedic } KYU CHEOL NOH1 , JUNG YOUN KIM1 , HO WON LEE1 HOSPITAL { Orthopaedic } , 4. ST. VINCENTS HOSPITAL { Orthopaedic } JOONYOUNG PARK1 , YOON JOO CHO1 , JAE HOON AHN2 , YOON-CHUNG KIM1 3 Involvement of synovial matrix degradation and angiogenesis in oxidative stress–exposed degenerative rotator cuff tears with osteoarthritis 15 The Usefulness of Skin Perfusion Pressure (SPP) Measurement to Determine the Level of the Last Amputation in 1. HALLYM UNIV { Orthopaedic } KYU CHEOL NOH1 , JUNG YOUN KIM1 , HO WON LEE1 Ischemic Diabetic Mellitus (DM) foot patients 1. UIJEONGBU ST. MARYS HOSPITAL, COLLEGE OF MEDICINE, THE CATHOLIC UNIVERSITY OF KOREA { 4 Prevalence of MRSA among Health Care Workers Orthopaedic } YONGSIN CHO1 , JIYONG AHN1 1. SHAHEED MOHTARMA BENAZIR BHUTTO TRAUMA CENTRE { Orthopaedic } AYESHA MUGHAL1 , AMIR HALEEM1 16 Comparison of outcomes on open and arthroscopic ankle arthrodesis 5 The effectiveness of vitamin D supplementation in functional outcome and quality of life of lumbar spinal stenosis 1. YEOUIDO ST. MARYS HOSPITAL { Orthopaedic } , 2. BUCHEON ST. MARYS HOSPITAL { Orthopaedic } YOUNGSEOK requiring surgery - Randomized Prospective Control Trial - MOON1 , JIN-WHA CHUNG2 , HWA-SUNG LEE1 1. DAEGU CATHOLIC UNIVERSITY MEDICAL CENTER { Orthopaedic } SANGBONG KO1 , SEUNGBUM CHAE1 , WONKEE CHOI1 , JAIBUM KWON1 , JUN-YOUNG KIM1 , KYUNG-TAE KIM1 17 Anterior Osteophytes Resection of the Ankle Joint to Increase Range of the Ankle Motion in Haemophilic Ankle Arthropathy 6 How comparable are the analytical models with the numerical assessment of hip prosthesis wear? 1. KYUNG HEE UNIVERSITY HOSPITAL AT GANGDONG { Orthopaedic } , 2. KYUNG HEE UNIVERSITY MEDICAL 1. UNIVERSITY OF LEEDS { Others (Mechanical Engineering) } ADNAN ALKATHEERI1 , NILANJAN CHAKLADAR1 , CENTER { Orthopaedic } , 3. CHUNG HOSPITAL { Orthopaedic } MYUNG CHUL YOO3 , BI O JEONG2 , JUNG TAE AHN1 , RICHARD HALL1 YEOK GU HWANG2 , TAE YONG KIM2

7 Effects of point mutative RANKL on RANKL-induced mice for immune-therapeutic treatment of osteoporosis 18 Comparison of foot alignment after total ankle arthroplasty and ankle arthrodesis 1. CHOSUN UNIVERSITY HOSPITAL { Orthopaedic } , 2. CHOSUN UNIVERSITY HOSPITAL { Others (Laboratory of 1. VETERANS HEALTH SERVICE MEDICAL CENTER { Orthopaedic } EUI DONG YEO1 , JEE MIN KYO1 Orthopaedic Research) } , 3. CHOSUN UNIVERSITY { Others (Department of Premedical Program, School of Medicine) } WONBONG LIM3 , YOUNGJONG KO2 , MINEON PARK2 , BORA KIM2 , YURIA JANG2 , DONGHWI KIM1 , YOUNG LAE MOON1 , 19 The efficacy of a newly designed screw for the prevention of screw breakage in syndesmosis fixation: A Sessions HONGMOON SOHN1 , KWIYOUN CHOI1 , YUNGMIN CHO1 biomechanical study Poster & Video 1. MYONGJI HOSPITAL { Orthopaedic } DONGOH LEE1 8 Osteogenic regulation of prostate cancer stem cells by osteopontin modulation 1. CHOSUN UNIVERSITY HOSPITAL { Orthopaedic } , 2. CHOSUN UNIVERSITY HOSPITAL { Others (Laboratory of 20 Deformity correction of foot and ankle after TKR : Case report Orthopaedic Research) } , 3. CHOSUN UNIVERSITY { Others (Department of Premedical Program, School of Medicine) } 1. KANGDONG SACRED HEART HOSPITAL { Orthopaedic } JOONYOUNG JUNG1 , JUN-SIK PARK1 , GAB-LAE KIM1 WONBONG LIM3 , YOUNGJONG KO2 , MINEON PARK2 , BORA KIM2 , YURIA JANG2 , DONGHWI KIM1 , YOUNG LAE MOON1 , HONG MOON SOHN1 , KWI YOUN CHOI1 , YOUNG WOOK KIM1 21 Ankle Arthrodesis with locking compression plate fixation 1. DAE-DONG HOSPITAL { Orthopaedic } SEONG HO YOO1 , YOUNG KWANG OH1 , JAE SEUNG SEO1 9 A laser modular system attached to a C-arm fluoroscopy for guidance of insertion position and posture shows clinically meaningful accuracy in laboratory experiment with a mimicking fluoroscopy 22 Modified Brostrom operation using tape augmentation:Functional and Radilogical outcomes after more than 2 1. KYUNGPOOK NATIONAL UNIVERSITY { Others (Medical Device and Robot Institute of Park) } , 2. KYUNGPOOK years of follow-up NATIONAL UNIVERSITY { Orthopaedic } SANGHYUN JOUNG1 , CHUL-WOO PARK1 , ILHYUNG PARK2 1. BUSAN BON HOSPITAL { Orthopaedic } SANG YEONG CHOI1 , SANG HOON HA1 , SANG DONG SON1 , HO JUN KIM1 , KI HOON KIM1 , HYUN MIN HAN1

10 Total Ankle Arthroplasty for End-stage Rheumatoid Arthritis with Severe Varus Deformity and Collapse of the 23 Tarsal tunnel syndrome following open reduction and internal fixation of trimalleolar fracture Talus 1. GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } DAE CHEOL NAM1 , HEE CHAN WON1 , MYUNG 1. CHUNGBUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } BYUNG-KI CHO1 , MIN-YONG AN1 GEUN SONG1

11 A 14-year-old male who showed difficulty in big toe dorsiflexion after surgery for triplane fracture 24 Syndesmosis Fixation in Unstable Ankle Fractures Using a Partially Threaded 5.0-mm Cannulated Screw 1. KYUNG HEE UNIVERSITY HOSPITAL AT GANGDONG { Orthopaedic } JUNGTAE AHN1 , JEUNGHWAN SEO1 1. SEOUL NATIONAL UNIVERSITY BUNDANG HOSPITAL { Orthopaedic } KYOUNG MIN LEE1 , CHIN YOUB CHUNG1 , MOON SEOK PARK1 , KI HYUK SUNG1 , BYEONG-SEOP PARK1 , SEONG HEE CHO1 , BYUNG CHO MIN1

138 139 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

25 Radiographic Measurements Associated With the Natural Progression of the Hallux Valgus During at Least 2 39 Incidence of osteoporotic refractures and associated mortality in Korea using a nationwide claims data Years of Follow-up 1. CHUNG-ANG UNIVERSITY COLLEGE OF MEDICINE, SEOUL, SOUTH KOREA. { Orthopaedic } , 2. GYEONGSANG 1. SEOUL NATIONAL UNIVERSITY BUNDANG HOSPITAL { Orthopaedic } KYOUNG MIN LEE1 , CHIN YOUB CHUNG1 , NATIONAL UNIVERSITY HOSPITAL, JINJU, SOUTH KOREA. { Orthopaedic } YONG-CHAN HA1 , JUN-IL YOO2 MOON SEOK PARK1 , KI HYUK SUNG1 , BYEONG-SEOP PARK1 , SEONG HEE CHO1 , BYUNG CHO MIN1 40 Kirschner wire intramedullary fixation for displaced midshaft clavicle fractures in adolescent patients : Analysis of 26 Analysis of 3D CT talar morphology in relation to pediatric pes planovalgus deformity clinical and radiological outcomes 1. SEOUL NATIONAL UNIVERSITY BUNDANG HOSPITAL { Orthopaedic } , 2. SOON CHUN HYANG UNIVERSITY 1. HANYANG UNIVERSITY GURI HOSPITAL { Orthopaedic } JONG HOON SONG1 , SANG HOON PARK1 HOSPITAL (CHEONAN) { Orthopaedic } KI JIN JUNG2 , KYOUNG MIN LEE1 , CHIN YOUB CHUNG1 , MOON SEOK PARK1 , KI HYUK SUNG1 , BYEONG-SEOP PARK1 , SEONG HEE CHO1 , BYUNG CHO MIN1 41 Locking intramedullary nail versus Minimally invasive plate osteosynthesis in Treatment of proximal or distal tibia shaft fractures 27 Ankle arthrodesis outcomes in ankle osteoarthritis: comparison between cannulated screw fixation and anterior 1. JEJU NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } SUNGWOOK CHOI1 , YONG SUK KWON1 , HYUNCHUL YANG1 fusion plate , HYUNSEONG KANG1 1. SUN MEDICAL CENTER { Orthopaedic } JUNBEOM KIM 1 , JAYOUNG YOON1 , KIHUN CHA1 42 Treatment of Distal Humerus Shaft Fractures with Minimally Invasive Plate Osteosynthesis 28 Treatment of chronic wound of the 1st metatarsophalangeal joint with osteomyelitis using antibiotics- 1. CHOSUN UNIVERSITY HOSPITAL { Orthopaedic } GWANGCHUL LEE1 , SE WOONG JANG1 impregnated bone cement 1. SAMSUNG CHANWON HOSPITAL { Orthopaedic } GWANG EUN LEE1 , SUNG JIN SHIN1 43 Analysis of age factor of union process in intramedullay nail fixed femoral shaft fractures 1. HALLA GENERAL HOSPITAL { Orthopaedic } JI-HO JEONG1 , MINSUK PARK1 , DONGSUK KIM1 29 Complete Reduction for Pilon Fracture can Make Complete Failure 1. CHONBUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } KWANG-BOK LEE1 , LE HOANG NAM DANG1 44 Silent Anemia in Delayed Surgery of Elderly Hip Fracture 1. KANTAPHOP SIVAVETPIKUL { Orthopaedic } , 2. PRASIT WONGTRIRATANACHAI { Orthopaedic } KANTAPHOP 30 Crystal-induced Arthritis after Total Ankle Arthroplasty SIVAVETPIKUL1 , PRASIT WONGTRIRATANACHAI1 1. CHONBUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } KWANG-BOK LEE1 , LE HOANG NAM DANG1 45 Osteochondroma of the Distal Clavicle: A Rare Cause of Impingement and Biceps Tear of the Shoulder 31 Arthroscopic Microfracture for Traumatic Arthritis of Lateral Tarsometatarsal Joints 1. KEIMYUNG UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } CHUL-HYUN CHO1 , CHUNG-SHIN BEK1 , JAE- 1. CHONBUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } KWANG-BOK LEE1 , LE HOANG NAM DANG1 WON JUNG1 , KYOUNG-LAG LEE1

32 Outcomes of Missed Bosworth Fracture-Dislocation 46 Total ankylosis by heterotopic ossification in an adolescent olecranon fracture and dislocation 1. CHUNGNAM NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } , 2. KONYANG UNIVERSITY 1. KEIMYUNG UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } , 2. KOREA UNIVERSITY SCHOOL OF COLLEGE OF MEDICINE { Orthopaedic } GISOO LEE1 , CHAN KANG1 , JAEHWANG SONG2 , YOUGUN WON2 MEDICINE { Orthopaedic } CHUL-HYUN CHO1 , CHUNG-SHIN BEK1 , BEOM-SOO KIM2 , JAE-WON JUNG1 Sessions Poster & Video 33 Fixation of the Volar Lunate Facet Fragment in Distal Radius Fracture using hook plate 47 Conservative Treatment for Insufficiency Fracture of the Femoral neck with Prolonged Bisphosphonate Drug - A 1. MYONGJI HOSPITAL { Orthopaedic } JOOHAK KIM1 , JOONYUB KIM1 , DOHYUN KIM1 Case Report 1. BUSAN BON HOSPITAL { Orthopaedic } SANG HOON HA1 , SANG YEONG CHOI1 , MYUNG SOO KANG1 , HYO SAE AHN1 34 Recurrent anterior hip dislocation associated with ipsilateral intertrochanteric fracture of the femur - A case report - 1. DONGGUK UNIVERSITY GYEONGJU HOSPITAL { Orthopaedic } YOUNG SUNG KIM1 , SUK KANG1 , JONG PIL 48 Removal of Bent Intramedullary Nail KIM1 , HO MIN LEE1 , EUN WOO BAE1 1. COLLEGE OF MEDICINE, SOON CHUN HYANG UNIVERSITY { Orthopaedic } Sung-Woo CHOI1 , JA-HYUNG KIM1 , JOONG-HYUN AHN1 , YU-SEONG SEO1 35 Reconstruction plate and 21G circumferential wiring for midshaft clavicular fractures 1. PRESBYTERIAN MEDICAL CENTER { Orthopaedic } YEONGCHEOL PARK1 , CHUNGSIK SIN1 49 Use of a real-size 3D-printed model as a preoperative and intraoperative tool for minimally invasive plating of comminuted midshaft clavicle fractures 36 Factors Affecting Posterior Angulation in Retrograde Intramedullary Nailing for Distal Femoral Fractures 1. HALLYM UNIV { Orthopaedic } KYU CHEOL NOH1 , JUNG YOUN KIM1 , HO WON LEE1 1. CHEJU HALLA GENERAL HOSPITAL { Orthopaedic } BUM SOO KIM1 , MIN-SU KIM1 , SEONG -TAE KIM1 50 Dual Locking Compression Plate Osteosynthesis in periprosthetic supracondylar femur fractures 37 Effect of percutaneous cerclage cabling in the femoral fracture treated with retrograde intramedullary nailing 1. JEJU NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } SUNG WOOK CHOI1 , CHANGE HEE CHO1 , 1. ASAN MEDICAL CENTER { Orthopaedic } , 2. KANGWON NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } EIC YONG-GEUN PARK 1 JU LIM1 , KEONG-HWAN KIM2 , JUNG JAE KIM1 51 Surgical technique with percutaneous iliosacral screw fixation & close reduction using external fixator in pelvic 38 Open reduction and internal fixation with non-absorbable suture material in acute patella fracture ring injury (Tile classification B3) 1. EULJI UNIVERSITY HOSPITAL { Orthopaedic } KWANG WON LEE1 , DAE SUK YANG1 , YONG JOO CHI1 , YOUNG SUB 1. DAEJEON ST. MARYS HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA { Orthopaedic } , 2. YEOUIDO ST. CHUN1 , JONG SHIN LEE1 , WON SIK CHOY1 MARYS HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA { Orthopaedic } WEON YOO KIM1 , SE WON LEE2 , HWAN HEE LEE1 , EUNG SIC KIM1 140 141 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

52 The Failure of Osteosynthesis for Atypical Subtrochanteric Femoral Fracture Using Long Cephalomedullary Nail 64 Upper extremity crush injuries caused by industrial machinery 1. SAMSUNG CHANGWON HOSPITAL { Orthopaedic } JIN WOO JIN1 , MIN JUNG1 , GWANG EUN LEE1 1. UIJEONGBU ST. MARY'S HOSPITAL { Orthopaedic } HO YOUN PARK1 , DO-GYUN KIM1 , YOO JOON SUR1

53 Atypical femoral fractures associated with bisphosphonate : Retrospective review 65 Delayed repair of disconnected thenar branch with transligamentous variation after carpal tunnel release: A case 1. CHUNG-NAM NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } YONG BUM JOO1 , YOUNG MO KIM1 , SUNG JIN report. HWANG1 , YOUNG CHEOL PARK1 1. DAEJEON SUN HOSPITAL { Orthopaedic } CHUL-HYUNG LEE1 , CHEOL-U KIM1 , KIHUN CHA1

54 Unique Form of Atypical Femoral Fractures occurred at the Medial Cortex of Subtrochanteric Area 66 Primary Aspergillosis at hand in Rheumatoid arthritis patient : A Case report 1. JEJU NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } KWANG WOO NAM1 , YOUNG HO ROH1 , KI MOON KANG1 1. WONKWANG UNIVERSITY HOSPITAL { Orthopaedic } HONG JE KANG1 , HYUN KYU YU1

55 Outcomes Study of Zimmer® Natural Nail System – Cephalomedullary Asia Nail in the treatment of Proximal 67 Plate fixation technique for comminuted FDP avulsion fracture (Jersey's finger) Femur Fractures 1. SEOUL MEDICAL CENTER { Orthopaedic } JEONG HWAN KIM1 , YOUNG JU NOH1 , HAK JIN MIN1 , HYE YEON CHOI1 1. JEJU NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } KWANGWOO NAM1 , YOUNGHO ROH1 , JOSEPH RHO1 , KIMOON KANG1 68 Carpal Tunnel Syndrome Caused by an Idiopathic Tumoral Calcinosis. 1. YONSEIGUNWOO { Orthopaedic } SEUNGJOO HA1 , HONG-KYO MOON1 , EUI-HYUN PARK1 56 Recurrent Fibroma of extensor tendon sheath causing finger triggering 1. PPURI MEDICAL CENTER { Orthopaedic } HYUNG JOON LEE1 , SIN RO LEE1 , YOUNG CHAN CHA1 , HYUN CHEOL LEE1 , 69 Surgical treatment of acute on chronic onset Anterior Interosseous Nerve (AIN) Syndrome SEUNG HWAN BAE1 1. NHIS ILSAN HOSPITAL { Orthopaedic } , 2. GANGNAM SEVERANCE HOSPITAL { Orthopaedic } SANG YUN LEE1 , YUNTAE LEE1 , JUHYUNG YOO1 , JOONGWON HA1 , YUNG PARK1 , HO JUNG KANG2 57 Partial Excision of Trapezium and Ligament Reconstruction with 2 Suture Anchors in the 1st Carpometacarpal Arthritis 70 Spontaneous rupture of flexor pollicis longus tendon by tendolipomatosis in proximal phalanx 1. SOONCHUNHYANG UNIVERSITY HOSPITAL { Orthopaedic } JAE-HWI NHO1 , BYUNG-WOONG JANG1 , KI-JIN 1. CHONBUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } YOUNG RAN JUNG1 , YOUNG KEUN LEE1 JUNG1 , TAE-HONG MIN1 , BYUNG-SUNG KIM1 71 Intraoperative periprosthetic fracture at the distal interlocking screw site in hip nailing 58 Neglected Spontaneous Rupture of 5th Flexor Digitorum Profundus in the Palm 1. KANGDONG SACRED HOSPTIAL { Orthopaedic } JI HYUN SEO1 , GAB RAE KIM1 , JIN PARK1 1. GANGNAM NANOORI HOSPITAL { Orthopaedic } MANYOUNG KIM1 72 Atypical Incomplete Femoral Neck Fracture in Patients Taking Long-term Bisphosphonate : A Case Series of 4 59 Attritional rupture of extensor tendons of the finger due to advanced Kienb ck’s disease: Report of two cases and Patients a review of literatures 1. SOONCHUNHYANG UNIVERSITY HOSPITAL, SEOUL { Orthopaedic } You-Sung SUH1 , Byung-Woong JANG1 , Jae- 1. KONYANG UNIVERSITY COLLEGE OF MEDICINE { Orthopaedic } YOUN MOO HEO1 , JIN WOONG YI1 , TAE GYUN Hwi NHO1 , Sung-Hun WON1 , Won-Seok LEE1 Sessions KIM1 , BYUNG HAK OH1 , HYUN JAE CHA1 Poster & Video 73 Bilateral femoral neck stress fracture hidden behind spine disease 60 Trapeziometacarpal Arthrodesis Using a Combination of Chevron Osteotomy, Longitudinal K-wire, and K-wire 1. NANOORI HOSPITAL { Orthopaedic } , 2. NANOORI HOSPITAL { Others (Neurosurgery) } HYUN-JIN LEE1 , SEONG- Compression Staples CHEOL MOON1 , GWANG-YEOL LEE1 , HYEON-SEONG KIM2 1. SEOUL ST. MARY'S HOSPITAL { Orthopaedic } , 2. BUCHEON ST. MARY'S HOSPITAL { Orthopaedic } , 3. YEOUIDO ST. MARY'S HOSPITAL { Orthopaedic } , 4. GOOD SAMSUN HOSPITAL { Orthopaedic } SEUNG-HAN SHIN1 , YONG-SUK 74 Total Hip Arthroplasty in Patients with Hereditary Multiple Exostoses: A minimum 5-year follow-up study LEE1 , KI HO KANG1 , IL-JUNG PARK1 , YANG-GUK CHUNG1 , SEOK-WHAN SONG1 , HYOUNG-MIN KIM1 , JAE-YOUNG LEE1 1. SEOUL NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } , 2. SAMSUNG MEDICAL CENTER { Orthopaedic } OHSANG KWON1 , JAE YOUN YOON1 , CHAN-WOO PARK2 , SEUNG-JAE LIM2 , YOUN-SOO PARK2 , JEONG JOON YOO1 , 61 Radiolunate fusion in advanced Kienbock’s disease with collapsed and fragmented lunate HEE JOONG KIM1 1. HALLYM UNIVERSITY SACRED HEART HOSPITAL { Orthopaedic } SOO-JOONG CHOI1 , SEUNG-JIN LEE1 , JONG-HO JUNG1 75 Arthroscopic Classification of Labral Tear in Hip Dysplasia 1. UNIVERSITY OF ULSAN COLLEGE OF MEDICINE, ASAN MEDICAL CENTER { Orthopaedic } DONG JIN SHIN1 , 62 Bilateral bipartite carpal scaphoid: a case report CHUL HO KIM1 , JI WAN KIM1 , MI YEON JEONG1 , JI HYUN LIM1 , PIL WHAN YOON1 1. GIL MEDICAL CENTER, GACHON UNIVERSITY COLLEGE OF MEDICINE { Orthopaedic } KYU JIN KIM1 , SEUNG KWAN LEE1 , JUNG EUN LEE1 76 Randomized control study of comparison of the amount of intraoperative radiation exposure using distal targeting device 63 Unusual Combination of Elbow Dislocation with a Retained Intraarticular Fragment and Trochlear Fracture and 1. YEUNGNAM UNIVERSITY MEDICAL CENTER { Orthopaedic } , 2. GYEONGSANG NATIONAL UNIVERSITY Ipsilateral Distal Radius Fracture in an Amateur Snowboarder HOSPITAL { Orthopaedic } CHAN HO PARK1 , JUN-IL YOO2 1. GYEONGSANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE AND GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } DONG KYU MOON1 , SUN CHUL HWANG1 , SOON-TAEK JEONG1 , JUN-IL YOO1 , JIN SUNG PARK1

142 143 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

77 Endoscopic resection of the tip of the acetabular screw to decompress sciatic nerve following total hip 88 Effect of medial opening wedge high tibial osteotomy on sustaining ankle pain and lateral instability following arthroplasty malunion of tibial shaft fracture 1. CHONBUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } , 2. HOSUNG JOINT SPINE CENTER { Orthopaedic } 1. KANG-DONG SACRED HEART HOSPITAL { Orthopaedic } WOOSOL HAN1 , BYUNG HOON LEE1 , JIN-KYU LIM1 SUN-JUNG YOON1 , JIN-HYEOK KIM1 , MYUNG-SIK PARK2 , SEUNGMIN CHOI2 89 Non-union of medial closing wedge distal femoral osteotomy treated with teriparatide 78 Use of mini-screws for the surgical treatment of impacted acetabular posterior wall fractures 1. SUN'S ORTHOPEDICS { Orthopaedic } , 2. SUN'S ORTHOPEDICS { Others (Radiologic) } , 3. YEOJU INSTITUE OF 1. ULSAN UNIVERSITY HOSPITAL { Orthopaedic } KWANG HWAN JUNG1 , SEUNG WOO KANG1 , WOO YOUNG JIN1 TECHNOLOGY { Others (Nursing) } KWANG JIN LEE1 , SEUNG DEOK SUN1 , JAE YOUNG PARK1 , JEONG YONG YOON1 , SANG MOG LEE1 , JIN GOO CHOI1 , SA RAH YOON2 , JUNG SUG KIM 3 79 A comparison of cerclage wiring and new conceptual C-shaped implant using finite element analysis 1. SOONCHUNHYANG { Orthopaedic } , 2. OSONG MEDICAL INNOVATION FOUNDATION { Others (PHD) } , 3. CNS 90 Regeneration of discoid lateral meniscus after arthroscopic surgery in children: 5 cases report MEDICAL { Orthopaedic } SUNG-WOO CHOI1 , Sang Yong LEE2 , Jong Weon SEO3 , Sun Cheol YANG2 , JIN A SEO1 1. CHOSUN UNIVERSITY HOSPITAL { Orthopaedic } DONGHWI KIM1 , SUNGHAE PARK1 , DONGHYUK CHA1 , JAEHWAN LIM1 , Gwangchul LEE1 80 Arthroscopic Treatment of Acetabular Paralabral Cyst Causing Sciatica: Case Report 1. KONYANG UNIVERSITY HOSPITAL { Orthopaedic } , 2. INTERNATIONAL ST. MARYS HOSPITAL, CATHOLIC 91 MusculoSkeletal Infection Society criteria for periprosthetic joint infection: is it enough? KWANDONG UNIVERSITY { Orthopaedic } BYUNG HAK OH1 , DONG-SIK CHAE2 , SANG BUM KIM1 , YOUN MOO HEO1 , 1. CHOSUN UNIVERSITY HOSPITAL { Orthopaedic } DONGHWI KIM1 , SUNGHAE PARK1 , DONGHYUK CHA1 , TAE GYUN KIM1 , SEOK WON LEE1 JAEHWAN LIM1 , Gwangchul LEE1

81 Improvement of anti-osteoporosis medication after multimodal intervention in patients with hip fracture: 92 Rotational alignment of tibial component with the reference of anterior tibial curved cortex and midsulcus line prospective multicenter study 1. KYUNGPOOK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } JEONG-WOO KIM1 , HEE-SOO HYUNG1 , HEE- 1. JEJU NATIONAL UNIVERSITY HOSPITAL, JEJU NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic JUNE KIM1 , EUNG KYOO PARK1 } , 2. CHUNG-ANG UNIVERSITY COLLEGE OF MEDICINE { Orthopaedic } SANG-RIM KIM1 , YONG-CHAN HA2 , HYUNCHUL YANG1 , YONG-GEUN PARK1 93 Medial cortical disruption before and after hardware removal at the osteotomy site of medial open-wedge high tibial osteotomy using a beta-tricalcium phosphate block 82 Intra-Pelvic Migration of the Neck Screw with Wedge Wing from a Cephalo-medullary Femoral Nail – Case Report 1. GOOD SAMSUN HOSPITAL { Orthopaedic } JUNG HOEI KU1 , HYUNG LAE CHO1 , JONG WOO CHAE1 , JI UM KIM1 , and Review of the literature WAN SEOK LEE1 , KI BONG PARK1 1. YEOUIDO ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, SEOUL, REPUBLIC OF KOREA { Orthopaedic } , 2. DAEJEON ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, DAEJEON, REPUBLIC 94 Complications of leg lengthening with motorized intramedullary PRECICE2® nail OF KOREA { Orthopaedic } SE-WON LEE1 , WEON-YOO KIM2 , Jong-tae PARK1 1. SUN'S ORTHOPEDICS { Orthopaedic } , 2. SUN'S ORTHOPEDICS { Others (Radiologic) } , 3. YEOJU INSTITUE OF TECHNOLOGY { Others (Nursing) } KWANG JIN LEE1 , SEUNG DEOK SUN1 , JAE YOUNG PARK1 , JEONG YONG YOON1 83 Femoral vessel injury combined with pertrochanteric fracture. , SANG MOG LEE1 , JIN GOO CHOI1 , SA RAH YOON2 , JUNG SUG KIM3 Sessions 1. NATIONAL HEALTH INSURANCE CORPORATION ILSAN HOSPITAL, ILSAN, KOREA { Orthopaedic } , 2. Poster & Video DEPARTMENT OF ORTHOPAEDIC SURGERY, COLLEGE OF MEDICINE, YONSEI UNIVERSITY, KOREA { 95 Clinical results following ultrasound guided intra-articular injection of TissueGene-C (INVOSSA-K) in patients with Orthopaedic } HAN KOOK YOON1 , SANG HEE KIM2 , HYUN CHEOL OH1 , JOONG WON HA1 , SANG HOON PARK1 osteoarthritis of the knee 1. SUN'S ORTHOPEDICS { Orthopaedic } , 2. SUN'S ORTHOPEDICS { Others (RADIOLOGY) } , 3. YEOJU INSTITUTE OF 84 Early TKA: an alternative TECHNOLOGY { Others (NURSING) } JEONG YONG YOON1 , SEUNG DEOK SUN1 , JAE YOUNG PARK1 , KWANG JIN 1. HESE { Orthopaedic } JOAO PEREIRA1 LEE1 , SANG MOG LEE1 , JIN GOO CHOI1 , SA RAH YOON2 , JUNG SUG KIM3

85 The Rate Of Return To Work After Open High Tibial Osteotomy In Occupational Soldiers 96 Treatment of patellar dislocation 1. ARMED FORCES CAPITAL HOSPITAL { Orthopaedic } CHULHEE PARK1 , BEOM KOO LEE1 , GWANG YOUNG JUNG1 1. PUSAN NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } HUI TAEK KIM1 , TAE YOUNG AHN1 , YOON JAE CHO1

86 Clinical, radiologic and histologic outcomes after the fibrin-matrix autologous chondrocyte implantation for 97 The Effect of Sagittal Plane Inclination on Posterior Slope and Rotation in Medial Open-Wedge HTO - chondral lesions of the knee in older patients: A prospective case series with minimum 2-year follow-up Experimental Study with Quadrangular Prism. 1. INHA UNIVERSITY HOSPITAL { Orthopaedic } YOON SANG JEON1 , JUN SUNG PARK1 , YOON MOON JEON1 , 1. HAEUNDAE PAIK HOSPITAL { Orthopaedic } , 2. KOSIN UNIVERSITY GOSPEL HOSPITAL { Orthopaedic } , 3. INJE MYUNG KU KIM1 UNIVERSITY { Others (Biomedical Engineering) } SANG WON MOON1 , GYEONGGU BAK1 , YOUNG CHOI2 , SANG WON WOO3 , SUNG JAE LEE3 87 A Comparison of the Results from Femoral Nerve Block using different Concentration of Ropivacaine after Total Knee Arthroplasty 98 Clinical outcomes of revision ACL reconstruction following anatomical placed femoral tunnel 1. BUSAN MEDICAL CENTER { Orthopaedic } JUNG-WOOK HUH1 , MAN-JUN PARK1 , YOUNG-CHUL KO1 , DONG-JUN 1. GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } SANG YOUN SONG1 , SUN CHUL HWANG1 , HA1 , SOOK-HYUN PARK1 , TAE-HONG PARK1 , JOON-HYUNG PARK1 YOUNG JIN PARK1

144 145 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

99 Do Patient-Reported Outcomes Differ Between Mobile- and Fixed- Bearing Unicompartmental Knee 109 Nine-year outcome comparison of the anterior referencing prosthesis (Stryker, NRG) and posterior referencing Arthroplasty? prosthesis (Biomet, Vangurd) in total knee arthroplasty 1. SEOUL ST. MARY'S HOSPITAL { Orthopaedic } , 2. ST PAUL HOSPITAL { Orthopaedic } , 3. INCHEON ST. MARY'S 1. HIMCHAN HOSPITAL { Orthopaedic } JI-HOON BAEK1 , SU CHAN LEE1 , CHANG HYUN NAM1 , SEUNG HYUN HOSPITAL { Orthopaedic } MAN SOO KIM1 , IN JUN KOH2 , SUEEN SOHN1 , KWANG YUN SONG3 , BYUNG MIN KANG1 , HWANG1 , KYUNG WON CHOI1 , IN YOUNG KIM1 YONG IN1 110 Does Vitamin D Affect the Results of Total Knee Arthroplasty? 100 Comparison of microfracture alone and microfracture with augmentation for medial unicompartmenal 1. ULSAN UNIVERSITY HOSPITAL { Orthopaedic } , 2. DONGCHEONDONGKANG HOSPITAL { Orthopaedic } GIL osteoarthritis YOUNG PARK1 , YOON SEOK YOUM1 , SUNG DO CHO2 , IL YOUNG HWANG1 , HAN WOOK KIM1 1. CENTER FOR JOINT DISEASE, CHONNAM NATIONAL UNIVERSITY BITGOEUL HOSPITAL { Orthopaedic } DONG-MIN JUNG1 , WON-GYUN LEE1 , JONG-KEUN SEON1 , EUN-KYOO SONG1 111 A novel technique of using suture anchors to treat comminuted patellar fractures 1. JEJU NATIONAL UNIVERSITY HOSPITAL, JEJU NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } SUNG-WOOK CHOI1 , HYUN-CHUL YANG1 , YONG-GEUN PARK1 101 A randomized controlled clinical and radiological trial about outcomes of navigation-assisted TKA compared to conventional TKA: Long term follow-up 112 Epiphyseal osteochondroma at distal femur of knee joint 1. CENTER FOR JOINT DISEASE, CHONNAM NATIONAL UNIVERSITY BITGOEUL HOSPITAL { Orthopaedic } 1. SUNG-AE HOSPITAL { Orthopaedic } SEOK HA WHANG1 , SUNG HA HONG1 , HO SEUNG JEON1 , SEONG TAE LIM1 SUNG-JU KANG1 , WON-GYUN LEE1 , JONG-KEUN SEON1 , EUN-KYOO SONG1 113 Clinical and radiological outcomes of infected nonunion of distal femur treated with MUTARS system : A case 102 Sterile pretibial cyst from bio-absorbable interference screw in the tibial tunnel after anterior cruciate report reconstruction 1. YEOUIDO ST. MARY'S HOSPITAL { Orthopaedic } JOON PYO JUHN1 , HWASUNG LEE1 , Se Won LEE1 1. GOOD SAMSUN HOSPITAL { Orthopaedic } HYOUNG MIN KIM1 , HYUNG LAE CHO1 , KI BONG PARK1 , WAN SEOK LEE1 114 Open Posterior Approach Versus Arthroscopic Suture Fixation for Displaced Posterior Cruciate Ligament Avulsion Fractures : Systematic Review 103 Rupture of a Giant Baker’s Cyst Resolved with Arthroscopic Debridement in a Patient with Rheumatoid Arthritis 1. YEOUIDO ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, SEOUL, REPUBLIC OF KOREA { 1. HANYANG UNIVERSITY HOSPITAL, SEOUL, KOREA { Orthopaedic } , 2. HANYANG UNIVERSITY GURI Orthopaedic } , 2. SUNCHEON JOONG-ANG HOSPITAL, SUNCHEON, REPUBLIC OF KOREA { Orthopaedic } , 3. HOSPITAL, GURI, KOREA { Orthopaedic } JIN KYU LEE1 , JUNG-HWAN CHOI2 , MOINUDDIN NADAF2 , JAE-HYUK ILSAN PAIK HOSPITAL, INJE UNIVERSITY, ILSAN, REPUBLIC OF KOREA { Orthopaedic } SE-WON LEE1 , JAE-GWANG YANG2 SONG2 , KYUNG-WOOK NHA3

104 Fractured highly cross-linked Polyethylene (X3) Tibial Post in a Posterior-Stabilized Knee Prosthesis 115 Platelet hyperreactivity and postoperative venous thromboembolism in knee replacement arthroplasty 1. HIMCHAN HOSPITAL { Orthopaedic } SU CHAN LEE1 , CHANG HYUN NAM1 , SEUNG HYUN HWANG1 , JI-HOON 1. CHUNGNAM NATIONAL UNIVERSITY HOSPITAL, { Orthopaedic } , 2. CHUNGNAM NATIONAL UNIVERSITY BAEK1 , SOON YONG YOO1 , KYUNG WON CHOI1 , IN YOUNG KIM1 HOSPITAL, { Others (Laboratory Medicine) } YOUNG MO KIM1 , YONG BUM JOO1 , JIMYUNG KIM2 Sessions Poster & Video 105 The Optimal Length of Tibial Tunnels in Avoiding Graft-Tunnel Length Mismatch during the Modified Transtibial 116 The Midterm Results of the Transtibial Pullout Repair for the Medial Meniscus Posterior Root Tear : Focusing on Technique for the Anterior Cruciate Ligament Reconstruction Using Autologous Bone-Patellar Tendon-Bone Graft the Novel Suture Strategy on second look arthroscopic findings 1. KONKUK UNIVERSITY { Orthopaedic } KHO DUK-HWAN1 , KIM HYEUNG-JUNE1 , KIM BYEUNG JUN1 1. CHUNGNAM NATIONAL UNIVERSITY { Orthopaedic } YOUNG MO KIM1 , YONGBUM JOO1

106 The comparison of bone healing in open-wedge high tibial osteotomy using allograft chip bone with/without 117 Patella-Patellar Tendon Angle For The Diagnosis Of The Infrapatellar Fat Pad Impingement In The MRI autologous bone marrow 1. CHUNGNAM NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } YOUNG MO KIM1 , YONGBUM JOO1 , YOUNG 1. KYUNGPOOK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } HEE-JUNE KIM1 , IL SEO1 , SEONG-MIN KIM1 , CHUL PARK1 JEONG-WOO KIM1 , HEE-SOO KYUNG1 118 Regeneration of lateral discoid meniscus after arthroscopic partial meniscectomy in an adult patient 107 Anomalous insertion of the medial meniscus into anterior cruciate ligament 1. KOREA UNIVERSITY COLLEGE OF MEDICINE { Orthopaedic } DAE KEUN SUH1 , SEUNG-BEOM HAN1 , KI-MO 1. YEOUIDO ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, SEOUL, REPUBLIC OF KOREA { JANG1 Orthopaedic } , 2. DAEJEON ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, DAEJEON, REPUBLIC OF KOREA { Orthopaedic } SE-WON LEE1 , WEON-YOO KIM2 , HWA-SUNG LEE1 , Kyong-Jun KIM1 119 Comparision of result of medial open-wedge high tibial osteotomy in patient with and without medial meniscus posterior root tear 108 Localized Pigmented Villonodular Synovitis of the Knee Joint Mimicking Bucket-Handle Tear of Lateral Meniscus 1. HIMCHAN HOSPITAL { Orthopaedic } KYUNG WON CHOI1 , SU CHAN LEE1 , SEUNG HYUN HWANG1 , CHANG HYUN – Case Report – NAM1 1. SUNG-AE HOSPITAL { Orthopaedic } HO SEUNG JEON1 , YOUNG KYUN WOO1 , SUNG HA HONG1 , JAE NAM KIM1

146 147 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

120 How Different are Axial Implant Relationship Between Kinematically and Mechanically Aligned Total Knee 131 Use of a Femoral Offset Guide Provides the Accuracy and Reproducibility on Placement of Femoral Tunnel in Arthroplasty in Varus Knee? Anatomic Single-Bundle Anterior Cruciate Ligament Reconstruction: A Comparison between Expert and Novice 1. ST. PAUL'S HOSPITAL { Orthopaedic } , 2. SEOUL ST. MARY'S HOSPITAL { Orthopaedic } , 3. CORENTEC CENTRAL Surgeons R&D CENTER { Orthopaedic } IN JUN KOH1 , YONG IN2 , MAN SOO KIM2 , OUI SIK YOO3 , JAEHUN RO3 , YOUNG WOONG 1. SEOUL ST. MARY'S HOSPITAL { Orthopaedic } , 2. ST PAUL HOSPITAL { Orthopaedic } , 3. INCHEON ST. MARY'S JANG3 HOSPITAL { Orthopaedic } MAN SOO KIM1 , IN JUN KOH1 , SUEEN SOHN1 , KWANG YUN SONG1 , BYUNG MIN KANG1 , YONG IN1 121 Non-traumatic anterior cruciate ligament avulsion fracture following medial unicompartmental knee arthroplasty - case report – 132 Complex Knee Injury: treatment sequence 1. HEAUNDAE PAIK HOSPITAL { Orthopaedic } SANG JIN LEE1 , MIN SUNG KWON1 1. HESE { Orthopaedic } JOAO PEREIRA1

122 Medial Tibial Periprosthetic Bone Resorption and Its Effect on Clinical Outcomes after Total Knee Arthroplasty: 133 Embedded-ring syndrome Cobalt-Chromium versus Titanium Implants 1. JEONJU SOO HOSPITAL { Orthopaedic } , 2. JEONJU SOO HOSPITAL { Others (Plastic and Reconstructive Surgery) } , 3. 1. SMG-SNU BORAMAE MEDICAL CENTER { Orthopaedic } , 2. BUMIN HOSPITAL SEOUL { Orthopaedic } CHONG ST. CAROLLO HOSPITAL { Orthopaedic } DON-SEOK LEE1 , BYUNG HO LEE1 , SUN UNG JANG1 , KWANG HUN SONG1 BUM CHANG1 , SEUNG-BAIK KANG1 , CHAN YOON2 , MOON JONG CHANG1 , JONG BYUNG OH1 , WHANG KIM1 , JOUNG , HWANG SE BONG1 , TAE GYUN KIM1 , HO BUM HWANG2 , KYUNG ROK KANG3 , JONG EUN CHOI3 YOUP SHIN1 , DONG WHAN SUH1 , SU JIN KIM1 , SOO HEE CHOI1 134 High-pressure injection Paint-Gun injuries in the hand - 3 cases 123 The Efficacy of Continuous Irrigation in Septic Arthritis of the Knee 1. JEONJU SOO HOSPITAL { Orthopaedic } , 2. JEONJU SOO HOSPITAL { Others (Plastic and Reconstructive Surgery) } , 3. 1. KOSIN UNIVERSITY GOSPEL HOSPITAL { Orthopaedic } YOUNG CHOI1 , HAKSUN CHUNG1 , JUNSUNG KOO1 ST. CAROLLO HOSPITAL { Orthopaedic } DON-SEOK LEE1 , BYUNG HO LEE1 , SUN UNG JANG1 , KWANG HUN SONG1 , HWANG SE BONG1 , TAE GYUN KIM1 , HO BUM HWANG2 , KYUNG ROK KANG3 , JONG EUN CHOI3 124 Concomitant Ankle Osteoarthritis is Related to Increased Ankle Pain and a Worse Clinical Outcome After Total Knee Arthroplasty 135 Social differences in response to the Caregiver Priorities & Child Health Index of Life with Disabilities (CPCHILD) 1. DEPARTMENT OF ORTHOPAEDIC SURGERY, SMG-SNU BORAMAE MEDICAL CENTER, SEOUL NATIONAL 1. SEOUL NATIONAL UNIVERSITY BUNDANG HOSPITAL { Orthopaedic } KI HYUK SUNG1 , KYOUNG MIN LEE1 , UNIVERSITY COLLEGE OF MEDICINE { Orthopaedic } SEUNG-BAIK KANG1 , CHONG BUM CHANG1 , MOON JONG BYEONG-SEOP PARK1 , SEONG HEE CHO1 , BYUNG-CHO MIN1 , MOON SEOK PARK1 , CHIN YOUB CHUNG1 CHANG1 , CHAN YOON1 , WHANG KIM1 , JOUNG YOUP SHIN1 , DONG WHAN SUH1 , JONG BYUNG OH1 , SU JIN KIM1 , SOO HEE CHOI1 136 Congenital insensitivity to pain with anhidrosis: 5-year-old-girl with neglected distal femur fracture-A case report- 1. PUSAN NATIONAL UNIVERSITY YANGSAN HOSPITAL { Orthopaedic } JUNG YUN BAE1 , SEUNG HUN WOO1 , 125 Intraarticular Osteochondroma of the Knee JUNG SHIN KIM1 1. THE CATHOLIC UNIVERSITY OF KOREA, DAEJEON ST. MARY'S HOSPITAL { Orthopaedic } WON-HA HWANG1 , CHUL-KYU KIM1 , JONG-HUN JI1 137 Arthroscopic Treatment of an Anterior Cruciate Ligament Avulsion Fracture: Physeal-Sparing, All-Inside Suture Bridge Repair Sessions 126 Extensor Mechanism Disruption after Total Knee Arthroplasty 1. GWANGMYEONG SUNGAE HOSPITAL { Orthopaedic } BYEONG-MUN PARK1 , SU-KEON LEE1 , BONG-SEOK Poster & Video 1. CHUNG BUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } BAN SEOK KO1 , EUI SUNG CHOI1 YANG1 , TAE-WOO KIM1

127 Concomitant Chondral Lesions in the Medial Meniscal Posterior Root Tears 138 Ultrasound for diagnosis and treatment in atypical pulled elbow 1. SEOUL NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } JAE-YOUNG PARK1 , DUHYUN RO1 , HYUK-SOO HAN1 , 1. KOREA UNIVERSITY ANAM HOSPITAL { Orthopaedic } WOO YOUNG JANG1 , SEUL GI KIM1 , SOON HYUCK LEE1 MYUNG CHUL LEE1 139 Medial epicondyle fracture-Its association with increased carrying angle 128 Is Confirmation of Femoral Button Seating Under Direct Visualization During ACL Reconstruction Beneficial? 1. INCHEON ST MARY'S HOSPITAL { Orthopaedic } HYUNWOO LEE1 , SUN YOUNG JOO1 1. SEOUL ST. MARY'S HOSPITAL { Orthopaedic } , 2. ST. PAUL HOSPITAL { Orthopaedic } , 3. INCHEON ST. MARY'S HOSPITAL { Orthopaedic } SUEEN SOHN1 , MANSOO KIM 1 , IN JUN KOH2 , KWANGYUN SONG3 , YONG IN1 140 Entrapment of the extensor pollicis longus tendon in a Smith’s fracture: a case report 1. UIJEONGBU ST. MARY'S HOSPITAL, COLLEGE OF MEDICINE, THE CATHOLIC UNIVERSIT OF KOREA { 129 Can additional knot tying on the device of adjustable-loop suspensory fixation prevent the loosening of the Orthopaedic } YONG SIN CHO1 , HO YOUN PARK1 , YOO JOON SUR1 adjustable fixation device from the femoral tunnel? 1. EWHA WOMANS UNIVERSITY MOKDONG HOSPITAL { Orthopaedic } JAE DOO YOO1 , SANG DOO PARK1 , 141 Carpal tunnel syndrome caused by persistent medial artery in an adolescent: a case report HYUNG KI BAEK1 , KYU HO LEE1 1. INCHEON ST. MARY'S HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA { Orthopaedic } SUNYOUNG JOO1 , SANGUK LEE1 130 Arthroscopic reduction of posterior cruciate ligament tibial avulsion fracture using two cross-linked pull-out sutures: A surgical technique and case series 142 Avulsion bone fragments in unossified elbow fractures 1. PUSAN NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } SEUNGJOON RHEE1 , HEEJIN LEE1 , JEUNGTAK SUH1 1. KONYANG UNIVERSITY HOSPITAL { Orthopaedic } SANG BUM KIM1 , YOUN MOO HEO1 , JIN WOONG LEE1 , KWANG KYOUN KIM1 , TAE GYUN KIM1 , BYUNG HAK OH1 , DO KYUNG LEE1 , YOU GUN WON1 , JAE HWANG SONG1 , CHANG UK HAM1

148 149 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

143 Natural progression of radiographic indices in juvenile hallux valgus deformity 156 Subacromial lipoma causing impingement syndrome -Case Report - 1. EWHA WOMANS UNIVERSITY MOKDONG HOSPITAL { Orthopaedic } , 2. SEOUL NATIONAL UNIVERSITY 1. NALGAE HOSPITAL { Orthopaedic } TAE-YON RHIE1 , DO HOON KIM1 BUNDANG HOSPITAL { Orthopaedic } SEUNG YEOL LEE1 , CHIN YOUB CHUNG2 , MOON SEOK PARK2 , KYOUNG MIN LEE2 , BYEONG-SEOP PARK2 , SEONGHEE CHO2 , BYUNG-CHO MIN2 , KI HYUK SUNG2 157 Effect of Nerve Block in Arthroscopic Rotator Cuff Repair: A Randomized Controlled Trial 1. ULSAN UNIVERSITY HOSPITAL { Orthopaedic } SANG HOON KO1 , WOO YOUNG JIN1 , MIN SEOK KIM1 144 Ankle Stabilization in Young Children with Boyd Type V Congenital Pseudarthrosis of the Tibia 1. CHUNG-ANG UNIVERSITY HOSPITAL { Orthopaedic } , 2. SEOUL NATIONAL UNIVERSITY CHILDRENS 158 Arthroscopic Treatment of Paralabral Cyst at Suprascapular notch in Elderly patients HOSPITAL { Orthopaedic } TAE-JOON CHO2 , WON-JOON YOO2 , CHANG-HO SHIN2 , IN-HO CHOI1 , DONG-HYUN KIM1 1. SAMSUNG 21TH CENTURY ORTHOPAEDIC SURGERY HOSPITAL { Orthopaedic } , 2. GWANG JU VETERANS HOSPITAL { Orthopaedic } SUNG HYUN CHOI1 , KI YONG AN2 145 Temporary gutter splint for ingrown toe nail in young patients 1. SANGGYE PAIK HOSPITAL { Orthopaedic } JONG MIN SOHN1 , SANG JUN AHN1 , YONG-WOON SHIN1 159 Clinical and Anatomical result of Novel Biceps Tenodesis using Modified Mason-Allen technique - Comparative study - 146 Novel WTX nonsense mutation in a girl diagnosed with osteopathia striata : a case report 1. NALGAE HOSPITAL { Orthopaedic } TAE-YON RHIE1 , DO HOON KIM1 1. BUCHEON ST. MARY'S HOSPITAL { Orthopaedic } SEHOON JUNG1 , CHANGHOON JEONG1 160 Clinical results after arthroscopic superior capsular reconstruction in patients with massive irreparable rotator cuff 147 Wire Bending during the Tibial Lengthening by Ilizarov Apparatus tears : A 1-year minimum follow-up 1. KOREA UNIVERSITY MEDICAL CENTER GURO HOSPITAL { Orthopaedic } MI HYUN SONG1 , TAE-JIN KIM1 , HAE- 1. SUN'S ORTHOPEDICS { Orthopaedic } , 2. SUN'S ORTHOPEDICS { Others (RADIOLOGY) } , 3. YEOJU INSTITUTE OF RYONG SONG1 TECHNOLOGY { Others (NURSING) } JEONG YONG YOON1 , SEUNG DEOK SUN1 , JAE YOUNG PARK1 , KWANG JIN LEE1 , SANG MOG LEE1 , JIN GOO CHOI1 , SA RAH YOON2 , JUNG SUG KIM3 148 Ulnar nerve subluxation in cubital tunnel 1. PRESBYTERIAN MEDICAL CENTER { Orthopaedic } YEONGCHEOL PARK1 , CHUNGSIK SIN1 161 Rapidly destructive arthrosis of the glenohumeral joints 1. THE CATHOLIC UNIVERSITY OF KOREA, DAEJEON ST. MARY'S HOSPITAL { Orthopaedic } MIN-SIK , PARK1 , 149 Cilinical and Radiologic Result in Periarticular Proximal Humerus Locking Plating &Teriparatide for Neer JONG-HUN JI1 Classification 4 Part Fracture in Young Patient 1. PRESBYTERIAN MEDICAL CENTER { Orthopaedic } YEONGCHEOL PARK1 , CHUNGSIK SIN1 162 Complete reversal of tumoral calcinosis of shoulder joint after parathyroidectomy in a peritoneal dialysis patient: A case report 150 Surgical treatment of proximal humerus fracture using the locking plate over 80 years old. 1. CHONNAM NATIONAL UNIVERSITY MEDICAL SCHOOL { Orthopaedic } WON-KYUN LEE1 , MYUNG-SUN KIM1 1. PUSAN NATIONAL UNIVERSITY YANGSAN HOSPITAL { Orthopaedic } , 2. BUSN DAEDONG HOSPITAL { Orthopaedic } SUK WOONG KANG1 , JAE SEUNG SEO2 163 Arthroscopic findings of shoulder tuberculosis 1. HS (VETERANS HEALTH SERVICE) MEDICAL CENTER { Orthopaedic } WOOSEUNG LEE1 , JS WON1 , SH YANG1 Sessions The case of calcific tendinitis in the distal tendon of biceps brachialis

151 Poster & Video 1. SEOUL REDCROSS HOSPITAL { Orthopaedic } HYUNG MOON YOON1 , JOON SANG EOM1 , JOON SIK AHN1 164 Open reduction and ballooning of Hill-Sachs lesion in neglected anterior shoulder dislocation : Case report 1. CHUNG-ANG UNIVERSITY HOSPITAL { Orthopaedic } JAE YOON KIM1 , JAE SUNG LEE1 , HYUNG SEOK CHUNG1 , 152 Clinical and radiological outcomes of operative treatment of scapular body fracture KWANG JIN CHEON1 1. CATHOLIC UNIVERSITY OF KOREA { Orthopaedic } JUDONG YEO1 , YOONMIN LEE1 165 Evaluation of inferior capsular laxity in atraumatic multidirectional shoulder instability by magnetic resonance 153 Comparison of the Effect of Subacromial Steroid Injection and multiple needling in Treatment of Intractable arthrography Supraspinatus Calcific Tendinitis. 1. CHUNGBUK NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } , 2. GOODSAM ORTHOPAEDIC CLINIC 1. ULSAN UNIVERSITY HOSPITAL { Orthopaedic } SANG-HUN KO1 , SUNG-HO CHANG1 , MIN-SEOK KIM1 { Orthopaedic } HO-SEUNG JEONG1 , KYOUNG-JIN PARK2

154 Comparison of the Effectiveness of Ultrasonography-guided Suprascapular Nerve Block With Intra-Articular 166 Does the Combined Glenohumeral Osteoarthritis Affect the Clinical Results of Rotator Cuff Surgery ? Injection in Management of Adhesive capsulitis 1. DEPARTMENT OF ORTHROPEDIC SURGERY, KYUNGPOOK NATIONAL UNVERISTY { Orthopaedic } JONG 1. ULSAN UNIVERSITY HOSPITAL { Orthopaedic } , 2. ULSAN UNIVERSITY HOSPITAL { Orthopaedic } , 3. ULSAN YOON1 , DONG-HYUN KIM1 , SEO IL1 UNIVERSITY HOSPITAL { Orthopaedic } DOOGUEN YANG1 , SANG-HUN KO1 , MINSEOK KIM1 167 Which Is Better for Arthroscopic Tenodesis of the Long Head of the Biceps: 155 Comparison of Locking Compression Plate Superior Anterior Clavicle Plate with Suture Augmentation and Hook 1. HALLYM UNIV { Orthopaedic } KYU CHEOL NOH1 , JUNG YOUN KIM1 , HO WON LEE1 Plate for Treatment of Distal Clavicle Fractures 1. BUNDANG JESAENG HOSPITAL { Orthopaedic } JUN-CHEOL CHOI1 , WOO-SUK SONG1 , JIN KIM1 , JEONG-MUK 168 Preoperative factors associated with retear after arthroscopic transosseous suture repair of 2–4-cm sized rotator KIM1 , CHAN-WOONG BYUN1 cuff tears 1. HALLYM UNIV { Orthopaedic } KYU CHEOL NOH1 , JUNG YOUN KIM1 , HO WON LEE1

150 151 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

169 Proposed New Method for Assessment of Fatty Infiltration from Magnetic Resonance Image Sagittal Slices in 180 Three-Dimensional Capsular Volume Measurements in Multidirectional Shoulder Instability Chronic Rotator Cuff Tears 1. CHOSUN UNIVERSITY HOSPITAL { Orthopaedic } YONG CHEOL JUN1 , YOUNG LAE MOON1 , JAE HWAN LIM1 , 1. HALLYM UNIV { Orthopaedic } KYU CHEOL NOH1 , JUNG YOUN KIM1 , HO WON LEE1 DONG HYUK CHA1

170 Effects of a Single-Dose Interscalene Block on Pain and Stress Biomarkers in Patients Undergoing Arthroscopic 181 Real time Sono-Elastography of Lateral Epicondylitis : Clinical Assessment Using Strain Ratio Rotator Cuff Repair: A Randomized Controlled Trial 1. HAEUNDAE PAIK HOSPITAL, INJE UNIVERSITY, BUSAN { Orthopaedic } JIN YOUNG BANG1 , SEOK HAN1 , 1. HALLYM UNIV { Orthopaedic } KYU CHEOL NOH1 , JUNG YOUN KIM1 , HO WON LEE1 SEUNGCHUL KIM1

171 Huge Calcific Materials in Supraspinatus Muscle Belly and Tendon Insertion and Surgical treatment for Intractable 182 Prediction of the Irreparability of Rotator Cuff Tears Pain to Several Subacromial Injections of Triamcinolone Acetonide. 1. BUSAN BUMIN HOSPITAL { Orthopaedic } IN-BO KIM1 , DONG-WOOK JUNG1 , KI-SEONG HEO1 1. KANGDONG SACRED HEART HOSPITAL { Orthopaedic } YOONSUK HYUN1 , SUNGTAEK JUNG1 , JOONYOUNG JUNG1 , DONGHYUN KIM1 183 Effect of dyslipidemia and cholesterol level on the prevalence of rotator cuff tear 1. NATIONAL POLICE HOSPITAL { Orthopaedic } EUIHWAN CHO1 , YE HYUN LEE1 , JIEUN KWON1 172 Surgical treatment with freeze-dried tricortical iliac crest bone for a large compression fracture of humeral head, which mimicked an huge Hill-Sachs lesion in the elderly patient with acute anterior shoulder dislocation. 184 Operative treatment of scapular neck fracture with comminuted body fracture by proximal humeral Locking 1. KANGDONG SACRED HEART HOSPITAL { Orthopaedic } YOONSUK HYUN1 , JOONYOUNG JEONG1 , SUNGTAEK plate: Case report JUNG1 , DONGHYUN KIM1 1. DONG-A UNIV. HOSPITAL { Orthopaedic } YOUNG-MIN NOH1 , DONGRYUL KIM1 , SEUNGYUP LEE1

173 Bilateral Congenital Absence of the Long Head of Biceps Tendon with Unidirectional Posterior Instability. – A case 185 New Volumetric Measurement of Fatty Degeneration of Rotator Cuff Muscles using MRI report – 1. BUNDANG JESAENG GENERAL HOSPITAL { Orthopaedic } , 2. NATIONAL POLICE HOSPITAL { Orthopaedic } , 3. 1. DANKOOK UNIVERSITY HOSPITAL { Orthopaedic } JAE-SUNG YOO1 , KANG HEO1 , SEONGJUN KIM1 , JOONG-BAE SEOUL NATIONAL UNIVERSITY BUNDANG HOSPITAL { Orthopaedic } HYEON JANG JEONG1 , JIEUN KWON2 , JOO SEO1 HAN OH3

174 Nonunion of glenoid and acromion after conservative treatment of double disruption of superior shoulder 186 Superior capsular reconstruction using fascia lata with or without mesh suspensory complex 1. ST. CAROLUS HOSPITAL { Orthopaedic } , 2. ASAN MEDICAL CENTER { Orthopaedic } JAE-MAN KWAK1 , ERICA 1. CHUNG-ANG UNIVERSITY HOSPITAL { Orthopaedic } JAE YOON KIM1 , JAE SUNG LEE1 , HYUNG SEOK CHUNG1 , KHOLINNE2 , YUCHENG SUN1 , KYOUNG-HWAN KOH1 , IN-HO JEON1 KWANG JIN CHEON1 187 Transtendon repair with biceps augmentation after Retear of PASTA repair 175 Clinical outcomes after arthroscopic suturebridge repair of massive rotator cuff tear with human dermal matrix 1. THE CATHOLIC UNIVERSITY OF KOREA, DAEJEON ST. MARY'S HOSPITAL { Orthopaedic } MYUNG-SUP KO1 , allograft JONG-HUN JI1 Sessions 1. YONSEIKEONWOO HOSPITAL { Orthopaedic } HONG KYO MOON1 , SEUNG JOO HA1 , EUI HYUN PARK1 Poster & Video 188 Widespread Lumbosacral Subdural Abscess after Bee Venom Therapy 176 A hemarthrosis ocurred after arthroscopic rotator cuff repair in a patient with a stenosis in an ipsilateral AV fistula 1. JUN-CHEOL CHOI { Orthopaedic } , 2. YOUNG-SANG LEE { Orthopaedic } , 3. DONG-CHAN EUN { Orthopaedic } 1. ST. CAROLLO HOSPITAL { Orthopaedic } SE JIN KIM1 , JONG EUN CHOI1 , JIN YEONG PARK1 , WOO CHULL CHUNG1 , 4. CHAN-WOONG BYUN { Orthopaedic } , 5. JOO-YOUNG LEE { Orthopaedic } JUN-CHEOL CHOI1 , YOUNG-SANG , SOON HO HUH1 , DONG HUN HAM1 LEE1 , DONG-CHAN EUN1 , CHAN-WOONG BYUN1 , JOO-YOUNG LEE1

177 A New Classification System for Distal Clavicle Fractures 189 A comparison of Percutaneous Endoscopic Lumbar Discectomy and Open Lumbar Microdiscectomy for Lumbar 1. KEIMYUNG UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } CHUL-HYUN CHO1 , JAE-WON JUNG1 , Disc Herniation in the Korean: A Meta-Analysis KYOUNG-LAG LEE1 1. GANGNAM NANOORI HOSPITAL { Orthopaedic } , 2. SANGGYE PAIK HOSPITAL { Orthopaedic } Manyoung KIM1 , Dong-Ju LIM1 178 Microfracture in Linear Isolated Narrow Engaging (LINE) Hill-Sachs Lesion. 1. DANKOOK UNIVERSITY HOSPITAL { Orthopaedic } JAE-SUNG YOO1 , YONG-EUN SHIN1 , KANG HEO1 , JOON- 190 Intraspinal extradural cyst following vertebral compression fracture KYOM KIM1 , JOONG-BAE SEO1 1. PRESBYTERIAN MEDICAL CENTER { Orthopaedic } BYEONG YEOL CHOI1 , YOUNG CHEOL PARK1 , DONG HYUN KIM1 179 Arthroscopic Acromioclavicular Fixation with Internal Bracing after Coracoclavicular Fixation using a Dog Bone Button: A Surgical Technique 191 Paralytic ileus after oblique lumbar interbody fusion - Case report - 1. DANKOOK UNIVERSITY HOSPITAL { Orthopaedic } JOONG-BAE SEO1 , KANG HEO1 , JAE-UK JUNG1 , JAE-SUNG 1. KONYANG UNIVERSITY HOSPITAL { Orthopaedic } SANG BUM KIM1 , JING WOONG YI1 , YOUGUN WON1 , JAE YOO1 HWANG SONG1 , YOUNG KI MIN1

152 153 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

192 Epitheloid hemanioendothelioma of the lower thoracic spine : a case report 203 Comparison of Clinical outcomes and Radiological Results of Kyphoplasty without Ballooning versus Conventional 1. DEPARTMENT OF ORTHOPEDIC SURGERY, INJE UNIVERSITY HAEUNDAE PAIK HOSPITAL { Orthopaedic } Vertebroplasty for Osteoporotic Vertebral Compression Fractures SUNG-SOO KIM1 , BYUNG-WAN CHOI1 , GYEONG-GU BAK1 1. CHUNGNAM NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } HO-JIN LEE1 , JAE-SUNG AHN1 , EUGENE J. PARK1 , MIN-GU JANG1 193 Osteochondroma at the cervicothoracic junction 1. NATIONAL HEALTH INSURANCE SERVICE ILSAN HOSPITAL, YONSEI UNIVERSITY COLLEGE OF MEDICINE { 204 Resolution of symptom after target oriented decompression using unilateral biportal endoscopic technique Orthopaedic } , 2. NATIONAL HEALTH INSURANCE SERVICE ILSAN HOSPITAL { Others (Pathology) } YUNG PARK1 1. SUN'S ORTHOPEDICS { Orthopaedic } , 2. BUMIN HOSPITAL { Others (Neurosurgery) } , 3. YEOJU INSTITUTE OF , JOONG WON HA1 , SE HAN JUNG1 , SEUNGPYO HONG1 , JEONG HAE KIE2 , Yun Tae LEE1 , Ju Hyung YOO1 , Han Kook TECHNOLOGY { Others (Nursing) } , 4. SUN'S ORTHOPEDICS { Others (General surgery) } , 5. SUN'S ORTHOPEDICS { YUN1 , Sang Hoon PARK1 , Seong Hoon KIM1 Others (Radigologist) } SEUNG DEOK SUN1 , JINHWA EUM2 , SANG MOG LEE LEE1 , JAE YOUNG PARK1 , KWANG JIN LEE1 , JEONG YONG YOON1 , JIN GOO CHOI4 , SA RAH YOON1 , JUNG SUG KIM 3 194 Aspergillus spondylitis after spine surgery 1. SEOUL SACRED HEART GENERAL HOSPITAL { Orthopaedic } DONG KI AHN1 , WON SHIK SHIN1 , SEONG MIN 205 Case review of the Percutaneous pedicle screw Fixation on Fracture of the Thoraco-Lumbar Spine LEE1 , IN SUN YOO1 1. WONJU SEVERANCE HOSPITAL { Orthopaedic } KI-YOUN KWON1 , HEUI-JEON PARK1 , HAN-BIN JIN1

195 Comparison of the Results between Conservative and Operative Treatments for Pyogenic Spondylitis 206 Spinopelvic Orientation on Radiographs in Various Body Postures 1. SOONCHUNHYANG UNIVERSITY CHEONAN HOSPITAL { Orthopaedic } CHANG-HWA HONG1 , SANGWOO LEE1 1. CHEJU HALLA HOSPITAL { Orthopaedic } MYUNG-SANG MOON1 , HOHYOUNG LEE1 , Won Rak CHOI1 , WOO-JONG KIM1 , WHI-JE CHO1 207 Relationship between lumbar disc degeneration and back muscle degeneration 196 Cervical fixation method and T1 slope affect cervical allo spacer failures in multi-level ACDF surgery 1. GWANGMYEONG SUNGAE HOSPITAL { Orthopaedic } DONG-MIN LEE1 , SEUNG-HWAN LEE1 , TAE-WOO KIM1 , 1. SINCHON SEVERANCE HOSPITAL { Orthopaedic } , 2. GANGNAM SEVERANCE HOSPITAL { Orthopaedic } , 3. JI-HYEON KIM1 , JEONG-SEOK YU1 CATHOLIC KWANDONG UNIVERSITY INTERNATIONAL ST. MARY'S HOSPITAL { Orthopaedic } JI WON KWON1 , CHAE CHUL LEE1 , SEUNG JIN CHOI3 , JAE HO YANG2 , KYUNG SOO SUK2 , HAK SUN KIM2 , SEONG HWAN MOON1 , 208 Traumatic fracture-dislocation of lumbo-sacral spine fracture accompaning pelvic HWAN MO LEE1 , BYUNG HO LEE1 , YONG JUN LEE1 1. DEPARTMENT OF ORTHOPEDIC SURGERY, ANDONG HOSPITAL, ANDONG, KOREA { Orthopaedic } , 2. DEPARTMENT OF ORTHOPEDIC SURGERY, KEIMYUNG UNIVERSITY SCHOOL OF MEDICINE, DAEGU, KOREA { 197 Relationship of the acute osteoporotic vertebral compression fracture and sarcopenia Orthopaedic } DOO HYUN KWON1 , SUK-JOONG LEE2 1. GACHON UNIVERSITY GIL MEDICAL CENTER { Orthopaedic } DEUK SU JUN1 , JONG-MIN BAIK1 , SEUNG-HYUN BAEK1 209 High cervical ossification of the posterior longitudinal ligament(OPLL) mimicking from cerebral infarction 1. DEPARTMENT OF ORTHOPEDIC SURGERY, KEIMYUNG UNIVERSITY SCHOOL OF MEDICINE, DAEGU, 198 Anterior Cervical Discectomy and Fusion can restore Cervical Sagittal Alignment in Degenerative Cervical Disease KOREA { Orthopaedic } , 2. DEPARTMENT OF ORTHOPEDIC SURGERY, ANDONG HOSPITAL, ANDONG, KOREA { 1. INJE UNIVERSITY HAEUNDAE PAIK HOSPITAL { Orthopaedic } , 2. HOSPITAL FOR SPECIAL SURGERY { Orthopaedic } SUK-JOONG LEE1 , DOO HYUN KWON2 , Chul-Hyung KANG1 Orthopaedic } BYUNG-WAN CHOI1 , JAESEOK PARK1 , HAN JO KIM2 , TODD ALBERT2 , SUNG SOO KIM1 Sessions Poster & Video 210 The patient who has cervical discitis, lumbar discitis. Surgeon who has urethral stone 199 Surgical Treatment for Degenerative Lumbar Disease Can Improve the Condition of Hip and Knee Joint; 1. DEPARTMENT OF ORTHOPEDIC SURGERY, KEIMYUNG UNIVERSITY SCHOOL OF MEDICINE, DAEGU, Radiographic and Clinical Evidence KOREA { Orthopaedic } , 2. DEPARTMENT OF ORTHOPEDIC SURGERY, ANDONG HOSPITAL, ANDONG, KOREA { 1. DEPARTMENT OF ORTHOPEDIC SURGERY, SCHOOL OF MEDICINE, KYUNG HEE UNIVERSITY, SEOUL, Orthopaedic } SUK-JOONG LEE1 , DOO HYUN KWON2 , Eun Seok SON1 KOREA { Orthopaedic } , 2. DEPARTMENT OF ORTHOPAEDIC SURGERY, THE SECOND AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIVERSITY, GUANGZHOU, CHINA { Orthopaedic } GYU-TAEK PARK1 , YONG-CHAN 211 Unilateral Spinous Process Noncovering Hook Type Patient-specific Drill Template for Thoracic Pedicle Screw KIM1 , KI-TACK KIM1 , KEUNHO LEE1 , JI HAO CUI2 , JUNG-HEE LEE1 , KYUNG-CHUNG KANG1 Fixation: A Pilot Clinical Trial and Template Classification 1. COLLEGE OF MEDICINE, KONYANG UNIVERSITY { Orthopaedic } YOUGUN WON1 , SANGBUM KIM1 , BYUNG 200 Can the adjuvant saline neurolysis in preganglionic epidural steroid injection promote the clinical efficacy? HAK OH1 1. SEOUL REDCROSS HOSPITAL { Orthopaedic } , 2. KONKUK UNIVERSITY MEDICAL CENTER { Orthopaedic } YEONG RYUNG LEE1 , IN SEOK SON2 , SUK HA LEE2 , TAE HOON KIM2 , MIN SEOK KANG1 212 Computer-Assisted Patient Specific Prototype Template For Thoraco-Lumbar Cortical Bone Trajectory Screw Placement: Cadeveric Study 201 The effectiveness of transforaminal epidural block for the treatment of severe lower lumbar radiating pain caused 1. COLLEGE OF MEDICINE, KONYANG UNIVERSITY { Orthopaedic } YOUGUN WON1 , SANGBUM KIM1 , BYUNG by osteoporotic compression fracture. HAK OH1 1. KOSIN UNIVERSITY GOSPEL HOSPITAL { Orthopaedic } YOUNGHO KWON1 , CHANG-SU KIM1 , JUNSUNG KOO1 213 Lumbar synovial cyst causing progressive motor weakness 202 Radiographic Changes of Cervical Sagittal Alignment after Anterior Cervical Discectomy and Fusion(ACDF) with 1. SUNG-AE HOSPITAL { Orthopaedic } SEUNG PYO SUH1 , YOUNG KYUN WOO1 , HO SEUNG JEON1 , SEOK HA Recovery of Cervical Lordosis HWANG1 , SUNG HA HONG1 , JOO YOUNG KIM1 1. KYUNGPOOK NATIONAL UNIVERSITY, COLLEGE OF MEDICINE { Orthopaedic } JEONG-WOO KIM1 , WOO-KIE MIN1 , JEONG HEO1 , SEONG-MIN KIM1

154 155 The 62nd Annual Congress of the Korean Orthopaedic Association THE KOREAN ORTHOPAEDIC ASSOCIATION

No. Abstract Title Affiliation/Authors No. Abstract Title Affiliation/Authors

214 The comparison of selective nerve root block and facet joint block in buttock pain of degenerative spinal disease 225 A Comparison between Diagnostic Criteria of Sarcopenia and Fat Degeneration of Lumbar Extensor Muscle in patients the Risk of Osteoporotic Vertebral Fractures 1. WONKWANG UNIVERSITY HOSPITAL { Orthopaedic } DAE MOO SHIM1 , TAE KYUN KIM1 , JIN SUNG PARK1 , 1. KWANGJU CHRISTIAN HOSPITAL { Orthopaedic } SEONG AN LIM1 , SANG MIN LEE1 , JI HUN PARK1 , JU YOENG BYUNG MIN YOO1 , HYUNG GYU CHO1 HEO1 , YONG SOO CHOI1

215 Unusual Cauda Equina Syndrome due to Spontaneous Adhesive Arachnoiditis of Spine 226 Pedicle structure according to the proximal thoracic curve in patients with idiopathic scoliosis 1. SUNG-AE { Orthopaedic } YOUNG KYUN WOO1 , HO SEUNG JEON1 , SEOK HA HWANG1 , SEUNG PYO SUH1 , SUNG 1. ASAN MEDICAL CENTER { Orthopaedic } CHUN SUNG LEE1 , JAE HWAN CHO1 , CHANG JU HWANG1 , DONG HO HA HONG1 , JAE NAM KIM1 LEE1 , JAE WOO PARK1 , KUN-BO PARK1

216 The relationship between the progression of kyphosis in L-spine OVCF and magnetic resonance imaging findings 227 Change of curvature and vertebra position in human thoracolumbar spine with respect to posture change 1. GACHON UNIVERSITY GIL MEDICAL CENTER { Orthopaedic } DEUK SOO JUN1 , JONG-MIN BAIK1 , DONG WHAN 1. KYUNGPOOK NATIONAL UNIVERSITY { Orthopaedic } , 2. MYEONGMUN ORTHOPEDICS { Orthopaedic } LEE1 ILHUUNG PARK1 , CHAN-SIK PARK2

217 Dural sac area is a more sensitive parameter for evaluating lumbar spinal stenosis than spinal canal area : A 228 Factors Increasing Compression Rate and Observation of Clinical Symptoms in Osteoporotic Vertebral retrospective study Compression Fractures Dealt with Conservative Treatment 1. CHANGWON GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } , 2. CATHOLIC KWANDONG 1. WONKWANG UNIVERSITY HOSPITAL { Orthopaedic } TAE KYUN KIM1 , KYEONG HOON LIM1 , HYUN GYU YOO1 , UNIVERSITY OF KOREA COLLEGE OF MEDICINE { Others (Anesthesiology and Pain) } JONG-UK MUN1 , YOUNG UK HYUNG GYU CHO1 KIM2 229 Comparison of Inter- and Intra-Observer Reliability among the 3 Classification Systems for Cervical Spinal Canal 218 Epidural Lymphoma Mimicking Hematoma Stenosis 1. GYEONGSANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE AND GYEONGSANG NATIONAL 1. DAEGU CATHOLIC UNIVERSITY MEDICAL CENTER { Orthopaedic } SANGBONG KO1 , SEUNGBUM CHAE1 , UNIVERSITY HOSPITAL { Orthopaedic } , 2. THE ARMED FORCES DAEGU HOSPITAL { Orthopaedic } DONG HEE KIM1 WONKEE CHOI1 , JUN-YOUNG KIM1 , JAEBUM KWON1 , CHUNGMU JUN1 , DONG YEONG LEE1 , KUN TAE KIM1 230 Correlations between sedimentation sign, dural sac cross-sectional area, and clinical symptoms of degenerative 219 Brown-Sequard syndrome caused by hyperextension in a patient with atlantoaxial subluxation due to an os lumbar spinal stenosis odontoideum 1. DAEGU CATHOLIC UNIVERSITY MEDICAL CENTER { Orthopaedic } SANGBONG KO1 , SEUNGBUM CHAE1 , 1. GYEONGSANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE AND GYEONGSANG NATIONAL WONKEE CHOI1 , JUN-YOUNG KIM1 , JAEBUM KWON1 , KYUNGTAE KIM1 UNIVERSITY HOSPITAL { Orthopaedic } , 2. THE ARMED FORCES DAEGU HOSPITAL { Orthopaedic } DONG HEE KIM1 , DONG YEONG LEE1 , TAE HO LEE1 231 Long-Term Follow-up Results in Patients with Thoracolumbar Unstable Burst Fracture Treated with Temporary Posterior Instrumentation without Fusion and Implant Removal Surgery -Follow-up Results for at least Ten Years - Sessions 220 Lumbar epidural ganglion cyst treated with C-arm guided aspiration 1. DAEGU CATHOLIC UNIVERSITY MEDICAL CENTER { Orthopaedic } SANGBONG KO1 , SEUNGBUM CHAE1 , Poster & Video 1. SUNG-AE HOSPITAL { Orthopaedic } YOUNG KYUN WOO1 , HO SEUNG JEON1 , SEOK HA HWANG1 , SEUNG PYO WONKEE CHOI1 , JUN-YOUNG KIM1 , JAEBUM KWON1 , CHUNGMU JUN1 SUH1 , SUNG HA HONG1 , YUN SEONG KIM1

221 Bilateral pedicle stress fracture accompanying spinal stenosis in long-term bisphosphonate-treated patient 232 Osteoid Osteoma of the Third Metatarsal Bone 1. KONKUK UNIVERSITY MEDICAL CENTER { Orthopaedic } , 2. SEOUL REDCROSS HOSPITAL { Orthopaedic } 1. JEJU NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } KWANG WOO NAM1 , SUNG WOOK CHOI1 , JUN YEONG JONG WON LEE1 , IN SEOK SON1 , SUK HA LEE1 , MIN SEOK KANG2 , TAE HOON KIM1 SEO1 , SANG RIM KIM1 , KYU BUM SEO1

222 Allogenic cancellous displaced into the retroperitoneal space following posterior lumbar interbody fusion 233 Surgical management of distally extended humerus metastases: the role of anterior plating with a PHILOS plate surgery: a case report 1. ASAN MEDICAL CENTER, UNIVERSITY OF ULSAN COLLEGE OF MEDICINE { Orthopaedic } YOUNG HYUN CHOI1 1. DEPARTMENT OF ORTHOPAEDIC SURGERY, INJE UNIVERSITY HAEUNDAE PAIK HOSPITAL { Orthopaedic } , JONG SEOK LEE1 , WANLIM KIM1 SUNGSOO KIM1 , BYUNGWAN CHOI1 , SEUNGCHUL KIM1 234 Patient-specific Evaluation to 3D Printing Implant Surgery for Malignant Bone Tumor 223 Can cervical spine lateral radiograph replace whole-spine lateral radiograph as an evaluating tool for cervical 1. NATIONAL CANCER CENTER { Orthopaedic } , 2. SEOUL NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } , 3. sagittal alignment? KOREA NATIONAL UNIVERSITY OF TRANSPORTATION { Others (Department of Mechanical Engineering) } JONG 1. ASAN MEDICAL CENTER { Orthopaedic } DONGGYUN KIM1 , DONGHO LEE1 , CHANGJU HWANG1 , HAEHWAN WOONG PARK1 , HYUN GUY KANG1 , JUNE HYUK KIM1 , DAE WOO PARK1 , CHAE AHN SONG1 , AEKYEONG LIM1 , KWUN CHO1 , JAEWOO PARK1 MOOK LIM3 , HAN-SOO KIM2

224 Ligament saving techinque in treatment of thoracolumbar intradural extramedullary tumor 235 Squamous cell carcinoma of the renal pelvis presenting as skin metastasis in flank 1. CHONNAM NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } YONG JIN PARK1 , SUNG KYU KIM1 , HYOUNG 1. CHONBUK NATIONAL UNIVERSITY MEDICAL SCHOOL { Orthopaedic } MOO HEON JEON1 , JUNG RYUL KIM1 , YEON SEO1 SUNG IL WANG1

156 157 The 62nd Annual Congress of the Korean Orthopaedic Association

No. Abstract Title Affiliation/Authors

236 Fibrolipomatous Hamartoma of Median Nerve without Macrodactyly 1. HANYANG UNIVERSITY { Orthopaedic } DAEHYUN CHOE1 , JAESEUNG HUR1 , JUNG HWAN CHOI1 , KWANG-HYUN LEE1

237 The application of 3D printing technology in the pelvic bone tumor surgery 1. NATIONAL CANCER CENTER { Orthopaedic } , 2. SEOUL NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } JONG WOONG PARK1 , HYUN GUY KANG1 , JUNE HYUK KIM1 , HAN-SOO KIM2

238 Sarcoma Transformed From Desmoplastic Fibroma in Humeral Shaft: A Case Report 1. KYUNG HEE UNIVERSITY HOSPITAL AT GANGDONG { Orthopaedic } , 2. KYUNG HEE UNIVERSITY MEDICAL CENTER { Orthopaedic } YOUNG SOO CHUN1 , SEUNG HYUK LEE1 , SEUNG HYUN SONG1 , JOONG WON LEE1 , JONG HUN BAEK2 , CHUNG SOO HAN2

239 The value of diagnostic ultrasonography in the assessment of a glomus tumor of the subcutaneous layer of the forearm mimicking a hemangioma 1. GYEONGSANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE AND GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } , 2. THE ARMED FORCES DAEGU HOSPITAL { Orthopaedic } DONG HEE KIM1 Video Sessions , DONG YEONG LEE1 , YOUNG JIN PARK1 240 Langerhans' Cell Histiocytosis of the clavicle in an adult >> 1. GYEONGSANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE AND GYEONGSANG NATIONAL UNIVERSITY HOSPITAL { Orthopaedic } DONG HEE KIM1 , KUN TAE KIM1 , MYUNG GEUN SONG1

241 Douple primary sarcoma 1. BUCHEON ST.MARY'S HOSPITAL { Orthopaedic } , 2. SEOUL ST.MARY'S HOSPITAL { Orthopaedic } SEUNG-HAN SHIN2 , CHANGHOON JEONG1 , IL-JUNG PARK1 , JAE-YOUNG LEE1

242 Bilateral elastofibroma dorsi : A case report 1. YEOUIDO ST. MARY HOSPITAL { Orthopaedic } YUNGSEOL BYUN1 , JAEHOON CHOI1 , YOONMIN LEE1 , SEOKWHAN SONG1

243 Steroid injection of simple bony cyst in the proximal humerus 1. DONG A UNIVERSITY HOSPITAL { Orthopaedic } SUNG SOO KIM1 , KI WOONG KIM1 , KYUNG HO LEE1

244 The effect of violence and job stress on physical and mental health in operating room nurses 1. KYUNG HEE UNIVERSITY HOSPITAL AT GANGDONG HOI JIN JOUNG, NAM HEE KIM, YEUN SOOK CHO, JI YOUNG SHIM, YEO JIN PARK, KYOUNG JIN JEONG, JIN YEOL PARK

158 The 62nd Annual Congress of the Korean Orthopaedic Association

No. Abstract Title Affiliation/Authors

1 Dorsal suspension of neuroma using the dorsal transverse ligament for the treatment of Morton’s neuroma 1. CHUNGNAM NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } , 2. KONYANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } CHAN KANG1 , KI SOO LEE1 , JAE HWANG SONG2 , DONG YEOL KIM1 , JUNG KIL LEE1 , KANG WON SEO1 , YONG HWAN KIM1

2 Figure 8 (Heel open) short leg cast 1. CHUNGNAM NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } , 2. KONYANG NATIONAL UNIVERSITY SCHOOL OF MEDICINE { Orthopaedic } CHAN KANG1 , KI SOO LEE1 , JAE HWANG SONG2 , DONG YEOL KIM1 , JUNG KIL LEE1 , KANG WON SEO1 , SUNG HYUN LEE1

3 Anterior Inferior Tibiofibular Ligament Reconstruction with Anchor Sutures compared with Trans-syndesmotic Screw Fixation for Ankle Syndesmotic Injuries 1. CM GENERAL HOSPITAL { Orthopaedic } YOUNG LAC CHOI1 , JIN SU KIM1

4 Posterior Iliac Pedicle Screw Construct Fixation For Bilateral Sacral disruption with Dysmorphic Sacrum in Fragility Fracture of Pelvis 1. YEOUIDO ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, SEOUL, REPUBLIC OF KOREA { Orthopaedic } , 2. DAEJEON ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, DAEJEON, REPUBLIC OF KOREA { Orthopaedic } SE-WON LEE1 , WEON-YOO KIM2

5 Antipronation spiral tenodesis for the treatment of scapholunate dissociation through dorsal approach 1. ST. VINCENT'S HOSPITAL { Orthopaedic } , 2. ST. PAUL'S HOSPITAL { Orthopaedic } HAN-VIT KANG1 , JOO-YUP LEE2

6 Modified Stoppa Approach: The Optimal Positioning of Fixed Retractors to Expose from Symphysis Pubis to Sacro-Iliac Joint 1. KOREA UNIVERSITY COLLEGE OF MEDICINE, GURO HOSPITAL { Orthopaedic } , 2. HALLYM UNIVERSITY SACRED HEART HOSPITAL { Orthopaedic } , 3. KOREA UNIVERSITY COLLEGE OF MEDICINE, ANAM HOSPITAL { Orthopaedic } SANG-MIN KIM1 , JE HYUN YOO2 , SEUNG-BEOM HAN3

7 Closed reduction technique of Irreducible Knee Dislocation 1. YEOUIDO ST. MARY HOSPITAL, THE CATHOLIC UNIVERSITY OF KOREA, SEOUL, REPUBLIC OF KOREA { Orthopaedic } SE-WON LEE1 , HWA-SUNG LEE1 , JOON-PYO JEON1

8 Neonatal Orthopedic Examination - Systematic Attentive checkup 1. CHUNG-ANG UNIVERSITY { Orthopaedic } , 2. SEOUL NATIONAL UNIVERSITY { Orthopaedic } IN-HO CHOI1 , TAE- JOON CHO2 , WON-JOON YOO2 , CHANG-HO SHIN2 , HAN-SOL JEONG1 , BYUNGIL YOON1 , SUK-HO BAEK1

9 Patient-Specific Guides Using 3D Reconstruction Technique Provide Accuracy and Reproducibility in Reverse Total Shoulder Arthroplasty. 1. DEPARTMENT OF ORTHROPEDIC SURGERY, KYUNGPOOK NATIONAL UNVERISTY { Orthopaedic } JONG PIL YOON1 , DONG-HYUN KIM1

160 Memo