Final Programme

ISHA 2019 Annual Scientific Meeting Madrid, Spain 17 - 19 October 2019

Final Programme

www.ishaconference.com www.ishasoc.net

ISHA 2019 Final Programme xxxxxi.indd 1 07/10/2019 14:10 Stay Connected

Stay Connected - and be Informed! WiFi USERNAME: ISHA2019 ISHA 2019 Abstracts PASSWORD: Madrid19 www.ishaconference.com/scientific-programme/abstractsandfaculty www.twitter.com/ishasociety PASSWORD: ISHAASM11 @ishasociety #ISHA2019 www.facebook.com/International-Society- ISHA 2019 E-Posters and Video Presentations for-Hip-Arthroscopy-365536310241957/ https://ishaconference.com/scientific-programme/e-posters https://ishaconference.com/scientific-programme/video-sessions www.linkedin.com/groups/12102193 PASSWORD: ISHAASM11

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ISHA 2019 Final Programme xxxxxi.indd 2 07/10/2019 14:10 Welcome from ISHA President

Dear ISHA members, ISHA friends and guests, It is my honor and enormous privilege to welcome you to the beautiful city of Madrid for ISHA’s 11th Annual Scientific Meeting. This signature event of our society has brought together more than 600 orthopaedic surgeons, physiotherapists, allied health personnel, residents and fellows - world leaders in our specialties of hip arthroscopy, open surgery, hip preservation and rehabilitation. As a platform for international dialogue, the ISHA Annual Scientific Meeting also provides a unique opportunity for the exchange of technical information by reconnecting with old friends and networking with colleagues from around the world. The Programme Committee, led by Professor Damian Griffin from the UK, and our ISHA 2019 co-chairs, Dr. Oliver Marín-Peña and Dr. Luis Pérez Carro from Madrid and Santander, respectively, have worked diligently over the last year to develop a challenging and engaging scientific programme reflecting the interests and desires of the society’s members. The programme emphasizes evidence-based medicine, new surgical techniques, and basic science. We hope you enjoy the broad array of instructional courses, surgical demonstrations, debates, lectures, symposia, scientific paper presentations and electronic posters demonstrations. We sincerely thank the international expert faculty who have given of their time to share their knowledge and are enthusiastic about instructing on basic research, operative techniques, and technical pearls and pitfalls. We are also greatly appreciative of our diamond level corporate sponsors - Arthrex, ConMed and Smith & Nephew - who are greatly contributing to the scientific content of the meeting and serving on ISHA’s advisory board. We are delighted to have the excellent industry-organized lunchtime workshops available to meeting attendees again this year. I would also like to thank my dear friends, Larry Mullen Jr., co-founder and drummer of the band U2, and Dan Drawbaugh, CEO of The Steadman Clinic and the Steadman Philippon Research Institute in Vail, CO, for contributing their time and expertise to ISHA’s 11th Annual Scientific Meeting. I hope all attendees are as excited about their keynote speeches on Saturday morning as I am. In addition to the packed scientific programme and keynote speeches, please join us for the hosted Welcome Reception on Thursday evening and the Gala Dinner in the splendour of the Casino de Madrid on Friday evening. I also encourage you to peruse the Team Poster and Fellowship Poster displays in the exhibition area and vote for your favorite poster. We are so glad that you have joined us in Madrid. I look forward to seeing each of you throughout the week, and thank you for participating in the international experience that is ISHA 2019!

Marc J. Philippon, M.D. 2018-19 ISHA President Vail, CO USA 3

ISHA 2019 Final Programme xxxxxi.indd 3 07/10/2019 14:10 Join ISHA Membership Benefits include:

• Membership of the premier hip preservation society • Discounted registration fees for ISHA Annual Scientific Meeting • A shared Forum with fellow colleagues • A listing in “Find a Surgeon” feature on isha.net (for Ordinary Members) • Direct access to the Arthroscopy Journal • Direct access and publication fees at the Journal of Hip Preservation Surgery • Access to the ISHA online Academy

APPLY TODAY by completing the online application at

ishasoc.net/members/membership-information

ISHA 2019 Final Programme xxxxxi.indd 4 07/10/2019 14:10 Welcome

Dear ISHA Friends, Colleagues and Guests We are very pleased to welcome you to the ISHA 2019 Annual Scientific Meeting in the vibrant and historic city of Madrid. This intriguing city, steeped in history and academic greatness, is the perfect backdrop for our 11th Annual Meeting. It brings together leaders in our field, gathering together old friends and new, while providing the perfect opportunity to immerse ourselves in top quality science! We are incredibly appreciative, of the involvement of our world-renowned expert faculty who have given their support in helping us to create a high- class and ambitious programme, covering many aspects of hip arthroscopy, open hip surgery, hip preservation and rehabilitation. A core part of the programme is themed based seminars incorporating Interactive Course Lectures with the latest research on the given topic; plenary sessions; debates and outstanding keynotes. We also thank our sponsors for organising an excellent extensive lunchtime workshop programme. The programme has been designed specifically around the structure of having 16 seminars on focused topics, with four parallel sessions running in four-time blocks; two on Thursday and two on Friday, each of two-hour duration, allowing a deeper dive into the topic. We ask you to use the printed programme and conference Contents App to select one seminar from each of the four blocks to attend. Stay Connected ...... 2 Don’t forget to participate in our practical hands on virtual surgery simulation and ultrasound sessions, while taking time to visit our Exhibitors. Welcome from ISHA President ...... 3 This is a fantastic chance to meet with your colleagues, to share knowledge and experiences and enjoy Welcome ...... 5 catching up in person during the annual meeting. We also look forward to having the opportunity to engage Opening Times ...... 6 with you in a more social environment, at the Welcome Reception and in the magnificent setting of the Casino de Madrid on Friday evening for the Gala Dinner. Agenda ...... 8 - 15 We hope you enjoy your time in Madrid, this sunny and renowned cultural city is home to some of the best Fellowship Fair, Team Posters museums in Europe and is renowned for its gastronomy and its vibrant nightlife. We hope you find time and Future Meeting ...... 16 to extend your stay to visit the nearby historical towns of Toledo, Segovia, Ávila and El Escorial, wonderful places to visit. E-Posters ...... 17 - 27 We look forward to meeting as many of you individually during our days together. Enjoy ISHA 2019 and your Venue Map ...... 28 time in Madrid. General Information ...... 30 - 32

General and Trainee Awards ...... 33 Welcome Bienvenido Accreditation ...... 34

Virtual Surgery Simulation ...... 35

Industry Workshops ...... 36 - 37

Exhibition ...... 38 Oliver Marin- Pena Luis Perez Carro Damian Griffin Co-Chair ISHA 2019 Co-Chair ISHA 2019 Programme Chair Acknowledgements ...... 39 5

ISHA 2019 Final Programme xxxxxi.indd 5 07/10/2019 14:10 Opening Times

Registration Open (Auditorium Foyer) Speaker Preview Room (Segovia) Social/Networking Events Wednesday 16th October 13:00 - 19:00 Wednesday 16th October 07:00 - 19:00 Thursday 17th October Thursday 17th October 07:00 - 19:00 Thursday 17th October 07:00 - 19:00 ISHA 2019 Friday 18th October 07:30 - 18:30 Friday 18th October 07:00 - 18:30 Cocktail Reception 18:30 - 20:00 Saturday 19th October 07:30 - 13:30 Saturday 19th October 07:30 - 12:00 Meliá Castilla Patio Hall 1,2,3 & Foyer Friday 18th October (Ticketed Event) Exhibition (Patio Hall 1,2,3 & Foyer) Virtual Surgery ISHA 2019 Thursday 17th October 08:00 - 18:30 Training Sessions Gala Dinner 19:30 - 23:00 1hr session slots during these times. Welcome Cocktail Reception 18:30 - 20:00 Casino de Madrid Friday 18th October 08:00 - 18:30 Sessions must be pre-booked via the registration desk: Saturday 19th October 08:00 - 13:00 Thursday 17th October 08:00 - 12:00 14:00 - 18:00 E-Poster Viewing Friday 18th October 08:00 - 12:00 (Patio Hall 1,2,3 & Foyer) 14:00 - 18:00 The help desk will also be manned during these hours: Thursday 17th October 08:00 - 18:30 Friday 18th October 08:00 - 18:30 Saturday 19th October 08:00 - 13:00

ISHA 2019 Final Programme xxxxxi.indd 6 07/10/2019 14:10 Don’t miss an opportunity!

ISHA International Travelling Fellowship

The ISHA Travelling Fellowship offers you an opportunity to learn hip arthroscopy from the leading practitioners in this field. During the Fellowship, you will spend time with ISHA approved surgeons in your home country, as well as with two other ISHA surgeons on two different continents.

For more information please contact: [email protected]

APPLICATION DEADLINE

15th December 2019

ISHA 2019 Final Programme xxxxxi.indd 7 07/10/2019 14:10 Agenda for Thursday 17th October 2019

Hidalgo Castilla Doblón Auditorium S1 - 08:00 - 10:00 S2 - 08:00 - 10:00 S3 - 08:00 - 10:00 S4 - 08:00 - 10:00 Dysplasia Inguinal and adductor-related Femoral torsion Lateral hip pain - Hosted by ESSKA Richard Santore (USA) groin pain Parminder Singh (Australia) Bent Lund (Denmark) Ru-yu Pan (Taiwan) Per Holmich (Denmark) Fredric Laude (France) Vikas Khanduja (UK) Intro - 08:00 - 08:04 Chuck Cackic (South Africa) Intro - 08:00 - 08:04 Intro - 08:00 - 08:04 S1.1 - 08:04 - 08:11 - ICL Intro - 08:00 - 08:04 S3.1 - 08:04 - 08:11 - ICL S4.1 - 08:04 - 08:11 - ICL What do we really know about natural Why is torsion important? Conservative treatment for peritrochanteric S2.1 - 08:04 - 08:11 - ICL history and prognosis after surgery How much does it contribute to FAI syndrome? space disorders Making a diagnosis and distinguishing from Klaus Siebenrock (Switzerland) other causes of groin pain Philip Noble (USA) Athanasios Papavasiliou (Greece) S1.2 - 08:13 - 08:20 - ICL Srino Bharam (USA) S3.2 - 08:13 - 08:20 - ICL S4.2 - 08:13 - 08:20 - ICL Can we treat mild and moderate dysplasia How can we measure torsion? Biologic treatments S2.2 - 08:13 - 08:20 - ICL by muscle strengthening? Does the level matter? Anatomy of a complex area Ali Bajwa (UK) Inger Mechlenburg (Denmark) Martin Beck (Switzerland) Ernest Schilders (UK) S4.3 - 08:22 - 08:29 - ICL S1.3 - 08:22 - 08:29 - ICL S3.3 - 08:22 - 08:29 - ICL Arthroscopic repair of abductor tears - 08:22 - 08:29 - ICL Role of arthroscopy, alone or in S2.3 When does arthroscopic treatment make sense Is it linked to hip pathology? Dror Lindner (Israel) combination with reorientation (in combination or alone)? The limited ROM hypothesis Jit Balakumar (Australia) Richard Field (UK) S4.4 - 08:31 - 08:38 - ICL Struan Coleman (USA) Open Gluteal Tendon repair and reconstruction S1.4 - 08:31 - 08:38 - ICL S3.4 - 08:31 - 08:38 - ICL Olufemi Ayeni (Canada) Reorientation surgery: How to do it now, S2.4 - 08:31 - 08:38 - ICL Pros and cons of different osteotomy techniques and how could we make it better Core muscle injury ICL Paper Discussion - 08:38 - 09:02 Carlomango Cardenas (Spain) Omer Mei-Dan (USA) William Meyers (USA) ICL Paper Discussion - 08:38 - 09:02 S4.5 - 09:02 - 09:09 - Free Paper ICL Paper Discussion - 08:38 - 09:02 S2.5 - 08:40 - 08:47 - ICL Arthroscopic partial release of the gluteus maximus S3.5 - 09:02 - 09:09 - Free Paper tendon for external snapping hip syndrome. S1.5 - 09:02 - 09:09 - Free Paper Minimal repair Decreased femoral version is an independent cause Functional outcome and strength evaluation Ottawa classification for symptomatic acetabular Ulrike Muschaweck (Germany) of anterior intra- and extraarticular sub spine FAI- at mid-term follow up dysplasia: Assessment of interobserver and intra- ICL Paper Discussion - 08:47 - 09:11 3D CT Impingement simulation study observer reliability Alberto Fioruzzi (Italy) Till Lerch (Switzerland) Kamal Bali (Canada) S2.6 - 09:11 - 09:18 - Free Paper S4.6 - 09:11 - 09:18 - Free Paper The cleft sign of the pubis Is associated with soccer S3.6 - 09:11 - 09:18 - Free Paper - 09:11 - 09:18 - Free Paper Leucocyte-rich Platelet-rich Plasma (LR-PRP) S1.6 activity and anterior acetabular over coverage: Femoral retroversion does not portend inferior Characterising the acetabular articular Cartilage/ treatment of gluteal tendinopathy: A double blind A cohort study mid-term outcomes after hip arthroscopy: Cotyloid Fossa ratio in the young adult Hip: Randomised Controlled Trial with 2 year follow up Hajime Utsunomiya (Japan) A pair-matched controlled cohort analysis differentiating between dysplasia and impingement John O’Donnell (Australia) Ajay Lall (USA) Pablo Slullitel (Argentina) S2.7 - 09:20 - 09:27 - Free Paper S4.7 - 09:20 - 09:27 - Free Paper Outcomes of reconstruction for acute avulsions of - 09:20 - 09:27 - Free Paper S1.7 - 09:20 - 09:27 - Free Paper S3.7 Abductor cuff tears repair: What is the pelvic tilt in acetabular dysplasia, and does pyramidalis-anterior pubic ligament-adductor longus The bipolar hip: Combined acetabular and femoral Twelve years’ experience with a minimal it change following peri-acetabular osteotomy? complex (PLAC) in athletes pathomorphology determine hip motion invasive technique and midterm results Mark Roussot (UK) Alexandra Dimitrakopoulou (UK) Travis Maak (USA) Manel Ribas Fernandez (Spain) S1.8 - 09:29 - 09:36 - Free Paper S2.8 - 09:29 - 09:36 - Free Paper S3.8 - 09:29 - 09:36 - Free Paper S4.8 - 09:29 - 09:36 - Free Paper Midterm outcomes of concurrent hip arthroscopy and Radiographic prevalence of symphysis pubis Femoral versus acetabular osteotomy for treating Endoscopic abductor tendon repair periacetabular osteotomy for the treatment of hip abnormalities and clinical outcomes in patients with combined version deformities leading with two-year follow up: dysplasia with associated intra-articular pathology femoroacetabular impingement syndrome to femoroacetabular impingement Influence of tear type and tendon involvement John Clohisy (USA) Jonathan Rasio (USA) Paul Haggis (UK) JW Thomas Byrd (USA) FP Discussion and wrap up time - 09:36 - 10:00 FP Discussion and wrap up time - 09:36 - 10:00 FP Discussion and wrap up time - 09:36 - 10:00 FP Discussion and wrap up time - 09:36 - 10:00

ISHA 2019 Final Programme xxxxxi.indd 8 07/10/2019 14:10 Agenda for Thursday 17th October 2019

10:00 - 10:30 Coffee Break and Exhibition The Auditorium 10:30 - 12:30 PL1 Opening Ceremony 10:30 - 10:40 Welcome to ISHA 2019 Marc Philippon (USA) 10:40 - 10:50 Welcome to Madrid Luis Pérez Carro and Oliver Marín- Peña (Spain) 10:50 - 11:10 This year’s theme is ‘The Hip Preservation Team’ Damian Griffin (UK)

Registries Chair: Damian Griffin (UK) 11:10 - 11:20 PL1.1 The UK Registry Vikas Khanduja (UK) 11:20 - 11:30 PL1.2 The Scandinavian Registry Bent Lund (Denmark) 11:30 - 11:40 PL1.3 The German Cartilage Registry Stefan Fickert (Germany) 11:40 - 11:50 Questions

Hip preservation around the world Chair: Damian Griffin (UK) 11:50 - 12:00 PL1.4 International variation in hip preservation John Christoforetti (USA) 12:00 - 12:20 PL1.5 Keynote: The contribution of the Spanish-speaking world to hip preservation Victor Illizaturri (Mexico) 12:20 - 12:30 Questions

12:30 - 14:00 Lunch Break - Trade Exhibition and E-Posters

12:45 3 Industry Sponsored Lunchtime Workshops

The Auditorium 14:00 -15:00 PL2 Evidence in FAI syndrome Chair: Martin Beck (Switzerland) 14:00 - 14:04 Introduction Martin Beck (Switzerland) 14:04 - 14:11 PL2.1 Natural history of FAI syndrome Moritz Tannast (Switzerland) 14:11 - 14:18 PL2.2 US Army RCT of surgery vs. physiotherapy Brendan Higgins (USA) 14:18 - 14:25 PL2.3 UK FASHIoN RCT of surgery vs. physiotherapy Damian Griffin (UK) 14:25 - 14:32 PL2.4 Oz FASHIoN RCT of surgery vs. physiotherapy Parminder Singh (Australia) 14:32 - 14:39 PL2.5 FAIT RCT of surgery vs. physiotherapy Tony Andrade (UK) 14:39 - 14:46 PL2.6 FIRST RCT of shaping surgery vs. lavage Olufemi Ayeni (Canada) 14:46 - 14:53 PL2.7 HIPARTI RCT of hip arthroscopy vs. sham surgery Kristian Marstrand Warholm (Norway) 14:53 - 15:00 PL2.8 Studies of Physiotherapy in FAI syndrome RobRoy Martin (USA)

15:00 - 16:00 DB1 Debate 1: Should we treat patients with FAI syndrome with arthroscopy or physiotherapy Chair: Richard Mather (USA) 15:00 - 15:05 Introduction Richard Mather (USA) 15:05 - 15:10 Arthroscopic surgery JW Thomas Byrd (USA) 15:10 - 15:15 Physiotherapy Joanne Kemp (Australia) 15:15 - 15:20 Arthroscopic surgery Mat Brick (New Zealand) 15:20 - 15:25 Physiotherapy James Moore (UK) 15:25 - 15:45 Challenges from the audience 15:45 - 15:55 Summing up (4 mins for and 4 mins against) 15:55 - 16:00 Vote and wrap up (4 mins each viewpoint)

16:00 - 16:30 Tea Break

ISHA 2019 Final Programme xxxxxi.indd 9 07/10/2019 14:10 Agenda for Thursday 17th October 2019

Castilla Auditorium Hidalgo Doblón S5 - 16:30 - 18:30 S6 - 16:30 - 18:30 S7 - 16:30 - 18:30 S8 - 16:30 - 18:30 Hip instability Posterior hip pain The capsule Planning, navigation and robotics Stephen Aoki (USA), Dominic Carriera (USA) Hal Martin (USA), Christoph Gebhart (Austria) Victor Illizaturri (Mexico), Claudio Mella (Chile) David Morgenstern (Israel), Johan Witt (UK) Intro - 16:30 - 16:34 Intro - 16:30 - 16:34 Intro - 16:30 - 16:34 Intro - 16:30 - 16:34 S5.1 - 16:34 - 16:41 - ICL S6.1 - 16:34 - 16:41 - ICL S7.1 - 16:34 - 16:41 - ICL S8.1 - 16:34 - 16:41 - ICL Traumatic instability: management of subluxation Assessment and diagnosis Developing ideas on anatomy and function Advanced imaging and dislocation in sport for posterior hip pain Brian Giordano (USA) Moises Hernando Hernandez (Spain) Dean Matsuda (USA) Eyal Amar (Israel TBC) S7.2 - 16:43 - 16:50 - ICL S8.2 - 16:43 - 16:50 - ICL S5.2 - 16:43 - 16:50 - ICL S6.2 - 16:43 - 16:50 - ICL Approaches to capsulotomy Navigation and Planning for FAI Micro-instability: how can we define this Endoscopic deep gluteal space exploration; Derek Ochiai (USA) Vikas Khanduja (UK) Marc Safran (USA) technique and results S7.3 - 16:52 - 16:59 - ICL S8.3 - 16:52 - 16:59 - ICL S5.3 - 16:52 - 16:59 - ICL Luis Pérez Carro (Spain) Techniques for capsular repair: Robotic assistance How do physiotherapists assess instability when and how? Justin Cobb (UK) S6.3 - 16:52 - 16:59 - ICL of a hip, and how do we treat it? Shane Nho (UK) Ischiofemoral impingement ICL Paper Discussion - 16:59 - 17:23 Keelan Enseki (USA) Jovan Laskovski (USA) S7.4 - 17:01 - 17:08 - ICL When do we need capsular shift S8.4 - 17:23 - 17:30 - Free Paper S5.4 - 17:01 - 17:08 - ICL or reconstruction? Novel three-dimensional measurements Arthroscopic soft tissue surgery S6.4 - 17:01 - 17:08 - ICL Does it work? for assessing hip morphology for instability Endoscopic hamstring repair Mat Brick (New Zealand) Floor Lambers (Germany) Jason Brockwell (Hong Kong) Carlos Guanche (USA) S8.5 - 17:32 - 17:39 - Free Paper ICL Paper Discussion - 17:08 - 17:32 ICL Paper Discussion - 17:08 - 17:32 ICL Paper Discussion - 17:08 - 17:32 Frequency of posterior femoroacetabular impact - 17:32 - 17:39 - Free Paper S7.5 - 17:32 - 17:39 - Free Paper in patients with suspected anterior S5.5 S6.5 - 17:32 - 17:39 - Free Paper Borderline acetabular dysplasia: Hip mobility, translations and microinstability femoroacetabular impingement evaluated Anatomical description of a sciatic ancillary Evaluating preoperative low-dose computed before and after cam FAI surgery with a 3-Dimensional dynamic study branch to the gluteus maximus muscle tomography characteristics as a predictor Geoffrey Ng (UK) Bernardo Aguilera (Colombia) Andres Mendez (Mexico) of symptomatic instability S7.6 - 17:41 - 17:48 - Free Paper S8.6 - 17:41 - 17:48 - Free Paper Jeffrey Nepple (USA) S6.6 - 17:41 - 17:48 - Free Paper The importance of minimizing Utility of 3D printed models in the treatment S5.6 - 17:41 - 17:48 - Free Paper Paradoxical function of Psoas muscle: capsulotomy to maintain hip stability - of femoroacetabular impingement: The pull test. The hidden root of pain in pelvis? A cadaveric study A matched cohort study A dynamic test to confirm hip microinstability Aleksandar Vojvodic (Serbia) Hajime Utsunomiya (Japan) Ivan Wong (Canada) Kostas Economopoulos (USA) - 17:50 - 17:57 - Free Paper - 17:50 - 17:57 - Free Paper S6.7 - 17:50 - 17:57 - Free Paper S7.7 S8.7 Must we crash through the wall to enter a hip joint Validation of computer navigated S5.7 - 17:50 - 17:57 - Free Paper Surgical outcomes of a novel surgical technique- or can we gently use a door instead? arthroscopic osteoplasty of the femoral head - The femoro-epiphyseal acetabular roof (FEAR) index arthroscopic proximal hamstring repair Capsular closure versus capsular preservation experimental case control study on is a predictor of worse outcome of hip arthroscopy in Amanda Fletcher (USA) female patients at two to four-year follow-up in hip arthroscopy CT based printed models Ali Bajwa (UK) Jennifer Marland (USA) S6.8 - 17:59 - 18:06 - Free Paper Klemen Strazar (Slovenia) S5.8 - 17:59 - 18:06 - Free Paper Prevalence and preoperative risk factors S7.8 - 17:59 - 18:06 - Free Paper S8.8 - 17:59 - 18:06 - Free Paper Arthroscopic iliofemoral ligament augmentation for postoperative deep gluteal syndrome Outcomes of open capsular plication of the hip Dynamic calculation and volumetric measurement to treat micro instability: between the capsular after hip arthroscopic labral at a mean of six years postoperatively: in planning and assessing surgical resection in plicature and the PAO in borderline dysplasia preservation surgery Do results deteriorate with time? femoroacetabular hip impingement Nicolas Fiz (Spain) Sochi Uchida (Japan) Jeffrey Nepple (USA) Alberto Frances (Spain) FP Discussion and wrap up time - 18:06 - 18:30 FP Discussion and wrap up time - 18:06 - 18:30 FP Discussion and wrap up time - 18:06 - 18:30 FP Discussion and wrap up time - 18:06 - 18:30 18:30 – 20:00 Welcome Reception – Patio Hall

ISHA 2019 Final Programme xxxxxi.indd 10 07/10/2019 14:10 Agenda for Friday 18th October 2019

Castilla Hidalgo Auditorium Doblón S9 - 08:00 - 10:00 S10 - 08:00 - 10:00 S11 - 08:00 - 10:00 S12 - 08:00 - 10:00 Children and adolescent hips The hip in sport Labral repair Communicating risk Organised by the European Hip Society (EHS) Chuck Cakic (South Africa) John O’Donnell (Australia) and managing complications Klaus Siebenrock (Switzerland) Geoff van Thiel (USA) Pedro Dantas (Portugal) Marc Tey (Spain) Manel Ribas (Spain) Intro - 08:00 - 08:04 Intro - 08:00 - 08:04 Hatem Said (Egypt) Intro - 08:00 - 08:04 S10.1 - 08:04 - 08:11 - ICL S11.1 - 08:04 - 08:11 - ICL Intro - 08:00 - 08:04 S9.1 - 08:04 - 08:11 - ICL Different sports, different hips, What is it and what does it really do in our patients? S12.1 - 08:04 - 08:11 - ICL Cam FAI resection in the adolescent different challenges Does it just hurt? Classifying complications - is it to early? Joshua Harris (USA) Christoph Gebhart (Austria) Paul Beaule (Canada) Michael Dienst (Germany) S10.2 - 08:13 - 08:20 - ICL S11.2 - 08:13 - 08:20 - ICL S12.2 - 08:13 - 08:20 - ICL S9.2 - 08:13 - 08:20 - ICL Femoroacetabular impingement syndrome: Where is the evidence now on Risks of arthroscopy; Perthes disease Predicting problems when to repair or debride? what are they and how can I avoid them? - when to intervene Travis Maak (USA) Jeffrey Nepple (USA) Thomas Wuertz (USA) Moritz Tannast (Switzerland) S11.3 - 08:22 - 08:29 - ICL S12.3 - 08:22 - 08:29 - ICL S10.3 - 08:22 - 08:29 - ICL How should we repair the labrum? Risks of open hip preservation surgery; S9.3 - 08:22 - 08:29 - ICL Does hip screening work Dozens of methods: does it matter which we user? what are they and how can I avoid them? SCFE in winter sport athletes Patrick Carton (Ireland) John Clohisy (USA) - treatment today Lauren Pierpoint (USA) Klaus Siebenrock (Switzerland) - 08:31 - 08:38 - ICL S12.4 - 08:31 - 08:38 - ICL ICL Paper Discussion - 08:29 - 08:53 S11.4 When and how do you augment the labrum? Consent and the medicolegal environment; S9.4 - 08:31 - 08:38 - ICL S10.4 - 08:53 - 09:00 - Free Paper Does that work? international comparisons DDH Marc Philippon (USA) Majid Hassan (UK) - PAO with still open physis Biomechanical evaluation of the hip joint motion in water polo players ICL Paper Discussion - 08:38 - 09:02 Jens Goronzy (Germany) ICL Paper Discussion - 08:38 - 09:02 Marc Safran (USA) S12.5 - 09:02 - 09:09 - Free Paper ICL Paper Discussion - 08:38 - 09:02 S11.5 - 09:02 - 09:09 - Free Paper Iatrogenic cartilage injury during hip arthroscopy: S10.5 - 09:02 - 09:09 - Free Paper A cadaveric study comparing hip contact pressures A common occurrence that results in S9.5 - 09:02 - 09:09 - Free Paper Hip screening of a professional ballet company between acetabulum labral repair superficial cartilage cell death Ischiofemoral impingement in adolescents: using ultrasound-assisted physical examination: vs total labral reconstruction Robert Westermann (USA) from clinical presentation to return to sports diagnosing the at-risk hip. Shane Nho (USA) Javier Besomi (Chile) S12.6 - 09:11 - 09:18 - Free Paper Michelle Rodriguez (USA) S11.6 - 09:11 - 09:18 - Free Paper There is a low rate of infections and subsequent S9.6 - 09:11 - 09:18 - Free Paper The effect of cam impingement on complexity of S10.6 - 09:11 - 09:18 - Free Paper 30- and 60-day admission rates in primary hip Ten-year outcomes in adolescents following hip labral tears; A multi-center descriptive study arthroscopy for FAI and labral repair Arthroscopic treatment for femuroacetabular arthroscopy, revision hip arthroscopy and cases impingement in elite athletes- 5-year follow up Dominic Careirra (USA) converted to total hip arthroplasty Travis Menge (USA) Ida Lindman (Sweden) S11.7 - 09:20 - 09:27 - Free Paper Wesley Verhooght (South Africa) S9.7 - 09:20 - 09:27 - Free Paper Primary labral reconstruction in patients S10.7 - 09:20 - 09:27 - Free Paper S12.7 - 09:20 - 09:27 - Free Paper FAI surgery in the adolescent patient population: with femoroacetabular impingement, irreparable Intraabdominal fluid extravasation after Patient-reported outcomes for a return to running mild deformities and lack of sports participation are labral tears, and severe acetabular chondral defects hip Arthroscopy: incidence and risk factors rehabilitation programme following hip arthroscopy associated with an increased risk of treatment failure decreases the risk and rate of conversion to total Bernardo Aguillera (Colombia) Jeffrey Nepple (USA) Ryan McGovern (USA) hip arthroplasty. A pair-matched study David Maldonado (USA) S12.8 - 09:29 - 09:36 - Free Paper S9.8 - 09:29 - 09:36 - Free Paper S10.8 - 09:29 - 09:36 - Free Paper The effects of hip arthroscopy without a perineal post Hip arthroscopy in slipped capital femoral epiphysis: Psychological Readiness S11.8 - 09:29 - 09:36 - Free Paper on venous blood flow, muscle damage, peripheral Nerve articular damage and time to scope after Hip Arthroscopy Long-term survivorship following labral reconstruction conduction, and perineal injury: A prospective study Javier Besomi (Chile) Sean T. Lynch (USA) Karen Briggs (USA) K Linnea Welton (USA) FP Discussion and wrap up time - 09:36 - 10:00 FP Discussion and wrap up time - 09:36 - 10:00 FP Discussion and wrap up time - 09:36 - 10:00 FP Discussion and wrap up time - 09:36 - 10:00

ISHA 2019 Final Programme xxxxxi.indd 11 07/10/2019 14:10 Agenda for Friday 18th October 2019

10:00 - 10:30 Coffee Break and Exhibition The Auditorium 10:30 - 11:30 PL3 Developments in Hip Preservation Chair: Nicolas Bonin (France) 10:30 - 10:34 Introduction Nicolas Bonin (France) 10:34 - 10:44 PL3.1 ISHA Consensus on how to assess patients with FAI syndrome Sarkhell Radha (UK) 10:44 - 10:54 PL3.2 The future of biologics in hip preservation Johnny Huard (USA) 10:54 - 11:04 PL3.3 Advanced osteotomy: pushing the limits Paulo Rego (Portugal) 11:04 - 11:14 PL3.4 Circumferential allograft labral reconstruction (video presentation) Brian White (USA) 11:14 - 11:30 Discussion

11:30 - 12:30 DB2 Debate 2: Should we be doing more primary labral reconstruction? Chair: Richard Villar (UK) 11:30 - 11:35 Introduction Richard Villar (UK) 11:35 - 11:40 Yes, labral tears degeneration are best treated by reconstruction Andrew Wolff (USA) 11:40 - 11:45 No, we should repair and preserve the labrum Shane Nho (USA) 11:45 - 11:50 Yes, labral tears degeneration are best treated by reconstruction Tony Andrade (UK) 11:50 - 11:55 No, we should repair and preserve the labrum Stephen Aoki (USA) 11:55 - 12:15 Challenges from the audience 12:15 - 12:25 Summing up (4 mins for and 4 mins against) 12:25 - 12:30 Vote and wrap up (4 mins each viewpoint) 12:30 - 14:00 Lunch Break - Trade Exhibition and E-Posters

12:45 3 Industry Sponsored Lunchtime Workshops

The Auditorium 14:00 - 15:00 PL4 Building the Hip Preservation Team Chair: John O’Donnell (Australia) 14:00 - 14:04 Introduction John O’Donnell (Australia) 14:04 - 14:11 PL4.1 Training as a hip preservation surgeon Benjamin Domb (USA) 14:11 - 14:18 PL4.2 Training as a hip specialist physiotherapist Amir Takla (Australia) 14:18 - 14:25 PL4.3 Working as a team Hugh West (USA) 14:25 - 14:32 PL4.4 Measuring what we do for patients Nick Mohtadi (Canada) 14:32 - 14:39 PL4.5 Measuring what we do for society Richard Mather (USA) 14:40 - 15:00 Discussion

15:00 - 16:00 DB3 Debate 3: Should we intervene early for the hip at risk? Chair: Al Stubbs (USA) 15:00 - 15:05 Introduction Al Stubbs (USA) 15:05 - 15:10 Yes, if it’s going to degenerate let’s preserve it now Jeffrey Nepple (USA) 15:10 - 15:15 No, if it doesn’t hurt don’t touch it Richard Field (UK) 15:15 - 15:20 Yes, if it’s going to degenerate let’s preserve it now Dean Matsuda (USA) 15:20 - 15:25 No, if it doesn’t hurt don’t touch it Olufemi Ayeni (Canada) 15:25 - 15:45 Challenges from the audience 15:45 - 15:55 Summing up (4 mins for and 4 mins against) 15:55 - 16:00 Vote and wrap up (4 mins each viewpoint) 16:00 - 16:30 Tea Break

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Auditorium Castilla Hidalgo Doblón S13 - 16:30 - 18:30 S14 - 16:30 - 18:30 S15 - 16:30 - 18:30 S16 - 16:30 - 18:30 FAI surgery Hip-spine syndrome Cartilage injury and repair Teamwork and training JW Thomas Byrd (USA), Oliver Marín-Peña (Spain) Filiep Bataille (Belgium), Marcelo Queiroz (Brazil) Jacek Mazek (Poland), Gregor Moekel (Germany) Al Stubbs (USA), Rintje Agricola (Belgium) Intro - 16:30 - 16:34 Intro - 16:30 - 16:34 Intro - 16:30 - 16:34 Intro - 16:30 - 16:34 S13.1 - 16:34 - 16:41 - ICL S14.1 - 16:34 - 16:41 - ICL S15.1 - 16:34 - 16:41 - ICL S16.1 - 16:34 - 16:41 - ICL Surgical sculpture: performing an ideal The hip can affect the spine How should we image We all need to work as part of arthroscopic cam reshaping Juan Gomez-Hoyos (Colombia) hip cartilage in 2020? a multidisciplinary team Benjamin Domb (USA) Christoph Zilkens (Germany) Per Holmich (Denmark) S14.2 - 16:43 - 16:50 - ICL S13.2 - 16:43 - 16:50 - ICL The spine can affect the hip S15.2 - 16:43 - 16:50 - ICL S16.2 - 16:43 - 16:50 - ICL Dealing with pincer: Filiep Bataille (Belgium) Microfracture AMIC and scaffolds Why should surgeon and physio be joined at the hip To take down the labrum or not? Nicolas Bonin (France) Mike Voight (USA) Thomas Sampson (USA) S14.3 - 16:52 - 16:59 - ICL Isciofemoral impingement is a connection S15.3 - 16:52 - 16:59 - ICL S16.3 - 16:52 - 16:59 - ICL - 16:52 - 16:59 - ICL S13.3 between hip and spine Chondrocytes and stem cells Non-technical skills in the OR: Faster, safer surgery Os acetabuli: different treatments for different sorts Hal Martin (USA) Rodrigo Mardones (Chile) Michael Muldoon (USA) Bent Lund (Denmark) ICL Paper Discussion - 16:59 - 17:23 ICL Paper Discussion - 16:59 - 17:23 S13.4 - 17:01 - 17:08 - ICL S14.4 - 17:01 - 17:08 - ICL Why every patient needs the possibility of surgical Osteitis pubis and sacroiliac joint pain: S15.4 - 17:23 - 17:30 - Free Paper S16.4 - 17:23 - 17:30 - Free Paper dislocation: the best way to do precision surgery? A hip, a spine or a pure pelvic problem Can a biopolymer scaffold injected arthroscopically In office screening by a physiotherapist for Diego Collado (Spain) Sochi Uchida (Japan) restore articular cartilage and delay hip osteoarthritis? new hip patients increases efficiency of a Ivan Wong (Canada) hip arthroscopists clinic ICL Paper Discussion - 17:08 - 17:32 ICL Paper Discussion - 17:08 - 17:32 Jennifer Marland (USA) S15.5 - 17:32 - 17:39 - Free Paper S13.5 - 17:32 - 17:39 - Free Paper S14.5 - 17:32 - 17:39 - Free Paper Short-term outcomes following hip arthroscopic S16.5 - 17:32 - 17:39 - Free Paper Influence of surgery interval between Concomitant lumbar spine pathology in patients microfracture augmented with allograft cartilage The (lack of) diagnostic value of an first and second hip in bilateral hip arthroscopy undergoing hip arthroscopy: A matched cohort analysis for femoroacetabular impingement David Luo (USA) intra-articular anesthetic injection in detecting Thomas Youm (USA) intra-articular pathologies Javier Sanz-Reig (Spain) S15.6 - 17:41 - 17:48 - Free Paper S14.6 - 17:41 - 17:48 - Free Paper Biological reconstruction versus traditional Daniel Hibscher (Israel) S13.6 - 17:41 - 17:48 - Free Paper Low back pain-related disability, but not pain, microfracture techniques in hip preservation Long-term patient reported outcomes following S16.6 - 17:41 - 17:48 - Free Paper is associated with worse patient-reported hip arthroscopic surgery for FAI isolated acetabuloplasty for femoroacetabular The training effect of a virtual reality function for patients with non-arthritic hip disease impingement - 5 year average follow-up Rishi Chana (UK) hip arthroscopy simulator John Ryan (USA) Matthew Hartwell (USA) S15.7 - 17:50 - 17:57 - Free Paper Vikas Khanduja (UK) S14.7 - 17:50 - 17:57 - Free Paper Injectable autologous chondrocyte implantation S13.7 - 17:50 - 17:57 - Free Paper S16.7 - 17:50 - 17:57 - Free Paper 15-year follow up after surgical hip dislocation The influence of lumbosacral spine pathology (ACI) in acetabular cartilage defects on achieving meaningful clinical improvements – three-year clinical and radiological results What is the revision rate in the learning curve for patients with cam-type femoroacetabular of arthroscopic hip preservation surgery and impingement results in high survivorship in patients undergoing arthroscopic surgery for Joerg Schroder (Germany) femoroacetabular impingement syndrome why are they performed - is it a failure of patient Till Lerch (Switzerland) Benedict Nwachukwu (USA) S15.8 - 17:59 - 18:06 - Free Paper selection or surgical technique? S13.8 - 17:59 - 18:06 - Free Paper 24 months after arthroscopic matrix-associated Joshua Harris (USA) Surgical treatment of femoroacetabular S14.8 - 17:59 - 18:06 - Free Paper autologous chondrocyte transplantation of the hip S16.8 - 17:59 - 18:06 - Free Paper impingement: arthroscopy vs surgical hip dislocation Improvement in lower back pain –significant improvement of PROs and MRI – A propensity matched analysis and function after hip arthroscopy using an injectable hydrogel Pain management trends in hip arthroscopy John Clohisy (USA) Thomas Youm (USA) Stefan Fickert (Germany) Travis Menge (USA) FP Discussion and wrap up time - 18:06 - 18:30 FP Discussion and wrap up time - 18:06 - 18:30 FP Discussion and wrap up time - 18:06 - 18:30 FP Discussion and wrap up time - 18:06 - 18:30 20:00 – 23:00 Gala Dinner – Casino de Madrid (Optional Event)

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Doblón Auditorium S17 - 08:00 - 09:20 PL5 - 08:00 - 09:05 Free Paper Session Trainee Competition Presentations Ajay Malviya (UK) Tony Andrade (UK) Pil Whan Yoon (South Korea) Olufemi Ayeni (Canada) Intro - 08:00 - 08:04 Intro - 08:00 - 08:05

S17.1 - 08:04 - 08:15 - (7 min presentation + 4 min Q&A) PL5.1 - 08:05 - 08:15 - (7 min presentation + 3 min Q&A) Predictors of mid-term clinical outcomes after hip arthroscopy: How can we define clinically important improvement in pain scores after hip A prospective analysis of 1038 patients with 5-year follow-up arthroscopy for femoroacetabular impingement syndrome? Minimum two-year Ajay Lall (USA) follow-up study Edward Beck (USA) S17.2 - 08:17 - 08:28 - (7 min presentation + 4 min Q&A) Mental health disorders in hip arthroscopy: An evaluation of its prevalence PL5.2 - 08:15 - 08:25 - (7 min presentation + 3 min Q&A) and associated factors Femoroacetabular impingement syndrome is strongly predictive for development Guillaume Dumont (USA) of hip osteoarthritis within 10 years follow-up: data from the CHECK cohort Rintje Agricola (The Netherlands) S17.3 - 08:30 - 08:41 - (7 min presentation + 4 min Q&A) FABER distance on clinical exam compared to exam under anesthesia to PL5.3 - 08:25 - 08:35 - (7 min presentation + 3 min Q&A) determine contribution of soft tissue constraint in patients with FAI Promising outcomes of hip mosaicplasty by minimally invasive anterior approach Lorenzo Fagotti (Brazil) using osteochondral autografts from the ipsilateral femoral head Roxana Viamont (Brazil) S17.4 - 08:43 - 08:54 - (7 min presentation + 4 min Q&A) Bernese periacetabular osteotomy. Is the operative fluoroscopy more reliable than PL5.4 - 08:35 - 08:45 - (7 min presentation + 3 min Q&A) the intraoperative radiography to assess an adequate acetabular correction? Does hip joint preservation surgery prevent total hip arthroplasty? Alan Garin (Chile) Mark Sohatee (UK)

S17.5 - 08:56 - 09:07 - (7 min presentation + 4 min Q&A) PL5.5 - 08:45 - 08:55 - (7 min presentation + 3 min Q&A) Effect of post-free distraction arthroscopy on acute pain, discharge time Acetabular retroversion has increased prevalence in patients presenting and narcotic consumption with slipped upper femoral epiphysis: A significant risk factor? Robert Kollmorgen (USA) Pranai Buddhdev (UK)

S17.6 - 09:09 - 09:20 - (7 min presentation + 4 min Q&A) PL5.6 - 08:55 - 09:05 - (7 min presentation + 3 min Q&A) Iliopsoas-related pathology, prevalence, and procedures findings and outcomes Sharp ledge adjoining the articular cartilage following femoral osteochondroplasty from a large hip arthroscopy study group does not create instability in the hip joint Dean Matsuda (USA) Lionel Lazaro (USA)

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The Auditorium 09:05 - 09:20 PL6 ISHA travelling fellow’s presentations Chair: Hassan Sadri (Switzerland) 09:05 - 09:12 PL6.1 UK Prania Buddhev (UK) 09:13 - 09:20 PL6.2 Canada Lee Ekert (Canada)

09:30 - 10:30 AGM Secretary

10:30 – 11:00 Coffee Break and Exhibition

The Auditorium 11:00 - 11:30 PL7 Presidential guest speaker: Elite Athletes: The Future of Predictive Analytics, Machine Learning and Artificial Intelligence Dan Drawbaugh (USA) 11:30 - 12:00 PL8 Keynote Speaker: Founder and Drummer of U2 Larry Mullen Jr (Ireland) 12:00 - 12:15 Awards Chair: Damian Griffin (UK) Richard Villar Award for best Trainee’s presentation Richard Villar (UK) ISHA Basic Science Research Award Hal Martin (USA) ISHA Physiotherapy Research Award Amir Takla (Australia) and Mike Voight (USA) Top scores in virtual hip arthroscopy Oliver Marín-Peña (Spain) Best hip preservation team poster Luis Pérez Carro (Spain) Joseph McCarthy Award for Scholarship Joe McCarthy (USA)

Closing Ceremony 12:15 - 12:30 Presidential address and handover Marc Philippon (USA) 12:30 - 12:40 Presidential introduction Michael Dienst (Germany) 12:40 - 12:50 Look forward to ISHA 2020 Sasha Carsen (Canada) 12:50 - 13:00 Close Damian Griffin (UK) Oliver Marín-Peña (Spain) Luis Pérez Carro (Spain)

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Fellowship Fair The Fellowship Fair is located in the exhibition area in Patio Hall 1, 2 and 3, please remember to visit. If you are a young surgeon who would like to train in hip preservation surgery, here is an excellent opportunity to find out about the full range of international opportunities available. Use the mobile app to message the Fellowship Director to arrange to meet and discuss the Fellowship opportunity face to face.

Team Posters Aligned to this year’s Annual Meeting theme of ‘Teamwork in hip preservation’, we are running a competition for the best `Team` poster. View the Team Posters in Patio Hall 1, 2 and 3. We would like your help by asking you to vote for the best Team Poster. You may be wondering why there is a coloured ball in your delegate bag? This is for you to vote. Place it in the tube adjacent to your favourite Team Poster, simple! The award for the Team Poster receiving most votes will be presented in the Closing Session on Saturday morning.

Future Meetings Information on future international and national meetings can be found in the future meeting area in Patio Hall 1, 2 and 3.

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EP1 – Dysplasia EP1.22 Does pain catastrophizing predict age of onset in symptomatic hip dysplasia and femoroacetabular impingement? EP1.1 Bernese periacetabular osteotomy in the treatment of hip EP1.23 Does severity of hip dysplasia predict pain and functional dysplasia: functional outcomes in patients with untreated intra- impairment in symptomatic patients? articular lesions EP1.2 Incidence of signs of femoroacetabular impingement in EP1.24 Minimal clinically important difference and substantial clinical adolescents with developmental dysplasia of the hip benefit after a periacetabular osteotomy: are we attaining patient satisfaction and using effective outcome measures? EP1.3 Utilization of a transverse screw construct in periacetabular osteotomy: does this impact initial fragment stability and version EP1.25 The periacetabular osteotomy in the treatment of symptomatic control? acetabular anteversion provides similar outcomes as in EP1.5 The Australian patient experience: Part B - periacetabular treatment for lateral centre edge defined dysplasia osteotomy intervention EP1.26 Can EOS imaging substitute for conventional radiography EP1.6 Cartilage degeneration is associated with increased joint contact in measurement of acetabular morphology in the young stress in patients with hip dysplasia dysplastic hip? EP1.12 How does clinical outcome correlate to acetabular coverage EP1.27 Obliquity of the supra-acetabular cut and its effects on after periacetabular osteotomy? maximum lateral correction and initial fragment stability after EP1.13 Hip arthroscopy in painful borderline hip dysplasia: a single periacetabular osteotomy: A cadaveric model institution retrospective experience EP1.28 It is possible to return to sports after a periacetabular osteotomy EP1.14 Removal of in-dwelling epidural catheter on post-operative day in mild dysplastic athletes? #1 leads to reduced hospital length of stay, improved ambulation, EP1.29 Assisted treatment of hip congenital dislocation by arthroscopy: and overall decrease in pain and opioid use following Bernese surgical technique description peri-acetabular osteotomy (PAO) EP1.30 Is the pelvic tilt in acetabular retroversion different to EP1.15 Technique for combined hip arthroscopy and peri-acetabular asymptomatic hips and does it change following anteverting osteotomy (PAO) with single table/single surgeon and post-free peri-acetabular osteotomy? distraction EP1.16 Neurophysiological changes during periacetabular osteotomy EP1.31 What is the inter and intra-observer reliability of a contemporary with minimal invasive approach classification system for hip dysplasia? EP1.17 Case report: our first out-patient periacetabular osteotomy EP1.32 Pre-operative planning modalities for correction of acetabular dysplasia EP1.18 Transfusion rate in periacetabular osteotomy cases reduced to zero percent (0%) EP1.33 Is there a role for hip arthroscopy in the treatment of borderline EP1.19 Surgical management of adult borderline developmental hip dysplasia? dysplasia - a systematic review EP1.34 Iliopsoas tendon-related pain following minimally invasive peri- EP1.20 Dysplasia with retroversion: prevalence, acetabuloplasty rates, acetabular osteotomy and outcomes from a large hip arthroscopy study group EP1.35 Concurrent periacetabular osteotomy and femoral EP1.21 Is the arthroscopic technique an effective tool in the treatment osteochondroplasty improves localized joint contact stress of borderline dysplasia? abnormalities in patients with head-neck offset deformities 17

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EP1.36 Incorporating patient-specific femoral version into EP4 - Lateral hip pain computational models of hip dysplasia augments the biomechanical improvement detected after surgical correction EP4.1 Defining minimal clinically important difference and patient acceptable symptom state after isolated endoscopic gluteus EP1.37 How effective is peri-acetabular osteotomy in acetabular medius repair retroversion? EP4.2 Minimum five-year outcomes of endoscopic gluteus medius EP1.38 Ganz periacetabular osteotomy in neglected developmental repair with concomitant arthroscopic treatment for labral tears dysplasia of the hip: development of hip preservation in Indonesia EP4.3 Platelet-rich plasma versus surgery for the management of recalcitrant greater trochanteric pain syndrome: a systematic EP1.39 Detailing postoperative pain and opioid utilization after review periacetabular osteotomy with automated mobile messaging EP4.4 Autologous conditioned serum for the treatment of gluteus EP1.40 Skeletal muscle mass is maintained after periacetabular medius and minimus tendinopathy: a biological alternative osteotomy with standardized rehabilitation protocol EP4.5 Reduction trochanteric osteotomy for GTPS EP1.41 Anterior but not posterior wall deficiency is associated with worse outcomes at two to four-year follow-up in female patients EP4.6 Description of a new open surgical technique for repair of undergoing hip arthroscopy for femoroacetabular impingement chronic full thickness abductor muscle tears and evaluation mid- term results EP1.42 Combined hip arthroscopy with periacetabular osteotomy or periacetabular osteotomy alone for the treatment of EP4.7 Postoperative Range of Motion Protocol Following Arthroscopic developmental dysplasia of the hip? Gluteus Medius and minimus Repair: An Anatomic Study EP1.43 Pelvic osteotomies for acetabular dysplasia: are there outcomes, EP4.8 The Melbourne Hip MRI Score (MHIP Score): reliability of a survivorship and complication differences between different novel scoring system for MRI assessment of severity in gluteal osteotomy techniques? tendinopathy

EP2 - Inguinal and adductor-related groin pain EP5 - Hip instability EP2.1 Anterior knee pain associated to femoral cam morphology EP5.1 Clinical and radiographic presentation of hip instability EP2.2 The role of femoroacetabular impingement in athletic pubalgia: EP5.2 Functional evaluation in lateral step-down test in dancers with state-of-the-art hip pain EP5.4 Treatment of hip micro instability with arthroscopic capsular EP3 - Femoral torsion plication: a retrospective case series EP3.1 Tibial torsion abnormalities in adults presenting with hip pain EP5.5 Clinical results after arthroscopic capsular plication for hip micro instability: minimum 5 years follow-up EP3.2 Measurement of femoral neck anteversion: are ct measurement methods reproducible? EP5.6 The predictive value of hip labrum size for clinical symptom and anatomical instability of the hip joint EP5.7 Range of motion as a determinant of hip micro instability

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EP5.9 The effect of functional movement control on patient reported a cadaveric assessment of standard portal placement and outcomes in individuals with non-arthritic hip pain relationship to major neurovascular structures EP5.10 Arthroscopic stabilization of labral tears in patients with hip EP6.8 A new technique for surgical treatment of proximal hamstring dysplasia tendinopathy in a triathlon athlete EP5.11 Can high intensity change of the joint capsule ligament on MRI EP6.9 Evaluation of the ischiofemoral space: prospective cohort be an indicator of hip joint instability? EP6.10 Endoscopic treatment of hamstrings tendinopathy EP5.12 Dynamic ultrasound and platelet-rich plasma (PRP) to diagnose V6.11 A combined endoscopic and open surgical approach for chronic and treat hip micro instability retracted proximal hamstring avulsion EP5.13 Outcomes of arthroscopic surgery in patients with joint laxity and hypermobility syndromes: a systematic review EP7 - The Capsule EP5.14 Can the FEAR Index be used to predict micro instability in EP7.1 Improved clinically meaningful long-term outcomes and higher patients undergoing hip arthroscopy? survivorship after hip arthroscopy with complete vs partial EP5.15 Generalized joint laxity is not associated with patient-reported capsular repair for femoroacetabular impingement syndrome outcomes following hip arthroscopic surgery EP7.2 Two-year patient reported outcomes for patients undergoing EP5.16 Borderline acetabular dysplasia and increased femoral revision hip arthroscopy with capsular defects anteversion is predictive of worse outcomes in females EP7.3 Evaluation of capsular closure versus capsulotomy in patients undergoing hip arthroscopy undergoing hip arthroscopy for femoroacetabular impingement EP5.17 Epidemiological profile of dancers with groin pain measured by triaxial accelerometery EP7.4 Current trends in hip arthroscopy capsule management: EP6 - Posterior hip pain a survey of hip arthroscopists EP6.1 Piriformis pyomyositis in a patient with Kikuchi-Fujimoto disease: V7.5 Anterior capsule reconstruction in native hip instability: a case report and literature review a technique guide EP6.2 Reliable anatomic landmarks for safe surgical arthroscopic treatment of the deep gluteal space EP8 - Planning, navigation and robotics EP6.3 Sciatic intraneural PRP injection to treat deep gluteal syndrome; EP8.1 Smartphone health data quantifies the impact of bases in experimental animal model, technique and cases study Femoroacetabular Impingement syndrome and the post- operative recovery beyond the ceiling of traditional patient EP6.4 Brace immobilization following surgical repair of proximal related outcomes measures hamstring tears does not affect post-surgical outcomes EP8.3 A cadaveric study of arthroscopic hip cam impingement EP6.5 Deep gluteal syndrome: case series of posterior endoscopic treatment: biomechanical comparison of contact pressures treatment between partial versus complete femoral osteoplasty EP6.6 Ischiofemoral impingement: is there any difference in iliopsoas EP8.4 Cadaveric model comparison of cam lesion resection and fixation? procedure time using an intraoperative-guide system EP6.7 The safe zones for arthroscopic proximal hamstring repair:

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EP8.5 Comparing radiographic measures of femoral torsion and examination: results in elite weightlifters acetabular anteversion using x ray, MRI, CT scan, and 3D Hip EP10.7 Characterizing the prevalence of cam-type hip impingement in Map and its correlation to passive range of motion at hip women’s professional ice hockey players EP9 - Children and adolescent hips EP10.8 Defining the minimal clinically important difference (MCID) in athletes undergoing arthroscopic correction of sports-related EP9.1 Parameters related to the distribution of stresses on the proximal femoroacetabular impingement (SRFAI). The percentage of femur are associated with, but cannot predict cam morphology possible improvement (POPI) in adolescent male soccer players: a 5-year follow-up study EP10.9 Return to sport rates and functional outcomes following bilateral EP9.2 Hip arthroscopy for femoroacetabular impingement in hip arthroscopy in high-level athletes adolescents is associated with clinically meaningful improvement and low clinical failure: a minimum five-year analysis EP10.10 Anatomic factors affecting turnout in ballet dancers EP9.3 Outcomes of hip arthroscopy in adolescents with a sub-analysis EP10.11 Treading water as a potential risk factor for femoroacetabular on return to sport: a systematic review impingement of the hip EP9.4 Multi-centre analysis of sports-related outcomes and return to EP10.12 When is it safe to return to sport after hip arthroscopy play of adolescents following hip preservation surgery for femoroacetabular impingement? Implementation of a standardised “Return to Play” test battery to guide rehabilitation EP9.5 Traumatic hip dislocations in the paediatric patient: injury patterns, outcomes, and selective hip arthroscopy EP10.13 Clinical and ultrasound examinations of the dancer’s hip EP9.6 What neuromonitoring changes can be expected during hip EP10.14 The demographic characteristics of a large cohort of arthroscopy in the paediatric population? soccer players undergoing primary hip arthroscopy for femoroacetabular impingement: a gender specific and EP10 - The Hip in Sport competitive level specific analysis EP10.1 Comparing outcomes of elite athletes verse non-athletes EP10.15 Effect of timing of hip arthroscopy on player return, career undergoing hip arthroscopy for treatment of femoroacetabular length, and competition-based performance for American impingement syndrome professional athletes EP10.2 Preoperative predictors of achieving clinically significant athletic EP10.16 From biomechanics to clinical outcomes: a comprehensive functional status after hip arthroscopy for femoroacetabular review on hip injuries in ballet dancers impingement at minimum 2-year follow-up EP10.17 The effect of an eight-week rhythmic gymnastics-based power- EP10.3 FAI in professional basketball players: return to play, career flexibility program on the lower limb flexibility and power of length, and performance following hip arthroscopy contemporary dancers EP10.4 Morphological changes of the hip are not correlated with EP10.18 Vail hip sports test as a measure of functional strength rotation range of hip motion in elite soccer athletes EP10.19 The outcomes and return to sports rate in elite athletes following EP10.5 Hip pathology identified at screening in professional volleyball hip arthroscopic surgery: a systematic review players EP10.20 Outcomes of FAI correction in competitive and recreational EP10.6 Hip screening protocol using ultrasound and physical athletes: results from a prospective multicentre cohort 20

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EP10.21 Non-contact anterior cruciate ligament tears during return EP11.11 Outcomes following arthroscopic hip labral reconstruction: to sport following hip arthroscopy for femoroacetabular A systematic review and meta-analysis impingement (FAI) EP11.12 Tensor fascia lata autograft for labral reconstruction: EP10.22 Return to basketball after hip arthroscopy: minimum two-year How much is too much? follow-up EP11.13 Circumferential labral reconstruction for femoroacetabular EP10.23 The influence of Cam and Pincer morphology on dynamic impingement in athletes: Return to sport and technique postural control in professional soccer athletes: an observational EP11.14 Outcomes following labral augmentation using ITB allograft cross-sectional study versus autograft EP11.15 Influence of the labrum on hip chondrolabral mechanics during EP11 - Labral repair activities of daily living EP11.1 The hip labrum reconstruction: indications and outcomes - an EP11.16 Indications and outcomes of arthroscopic labral reconstruction updated systematic review of the hip: A systematic review EP11.2 Effect of CAM femoroacetabular impingement (FAI) surgical EP11.17 Biomechanical evaluation of hip labral insufficiency using a 6 correction on acetabular labrum seal degrees of freedom robotic system: A cadaveric study EP11.3 Return to sport and athletic function in an active population EP11.18 The hip suction seal: The effect of pincer resection, following primary arthroscopic labral reconstruction chondrolabral junction separation, and labral repair/refixation EP11.4 Hip arthroscopy and labral reconstruction: short-term outcomes on hip distractive stability with circumferential and segmental labral reconstruction: EP11.19 The hip suction seal: The role of acetabular labral height on hip a systematic review distractive stability EP11.5 Outcomes of hip labral reconstruction versus labral repair: EP11.20 Clinical outcomes of arthroscopic repair of acetabular labral tears a systematic review EP11.6 Radiologic and demographics risk factors for labral EP12 - Communicating risk & managing complications reconstruction versus repair in primary hip arthroscopy: EP12.1 Intraoperative monitoring and intra-abdominal fluid a predictive model extravasation during hip arthroscopy EP11.7 Two-year outcomes of hip arthroscopic surgery with EP12.2 Traction related complications using a post in hip arthroscopy. circumferential labral reconstruction What alternatives do we have? A systematic review EP11.8 The use of a mini all suture anchor reduces post-operative EP12.3 Preoperative duration of symptoms is associated with psoas irritation in patients undergoing hip arthroscopy for outcomes five years after hip arthroscopy for femoroacetabular femoroacetabular impingement impingement syndrome EP11.9 The everted native acetabular labrum: description of patho- EP12.4 Factors associated with primary hip arthroscopy failure in the anatomy, MRI findings, and surgical treatment young female population EP11.10 Mechanical properties of tensile strength of ITB graft, EP12.5 Multimodal intra-operative monitoring (IOM) of sciatic and a promising graft for labral reconstruction of the hip femoral nerves during periacetabular osteotomy (PAO): a novel method

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EP12.6 Identifying the most successful procedures in hip arthroscopy: EP13 - FAI surgery A multivariate analysis of 1,000 surgeries to assess which procedures work best, and which procedures need improvement EP13.1 Intra-articular platelet rich plasma injection after arthroscopic hip labral repair: Assessment of pain and function EP12.7 Unplanned readmissions following hip arthroscopy: incidence and risk factors EP13.2 Health-related quality of life after hip arthroscopy for femoroacetabular impingement: A systematic review and meta- EP12.8 Sexual function after hip arthroscopy for femoroacetabular analysis impingement syndrome with capsular management: position matters EP13.3 Predictors of outcomes following hip arthroscopy for femoroacetabular impingement: A systematic review EP12.9 Rapidly destructive arthrosis of the hip two months after hip arthroscopy: A case report EP13.4 FAI treatment with mechanical hip arthroscopy augmented with biological therapy: a prospective controlled study EP12.10 Incidence and risk factors for venous thromboembolism following hip arthroscopy: a population-based study EP13.5 Lateral cams: How important are the vessels? EP13.6 Functional and clinical outcomes of patients undergoing revision EP12.11 Pain management and activity tolerance in the early hip arthroscopy with borderline hip dysplasia at two-year follow-up postoperative period following post-less low-pressure hip arthroscopy EP13.7 Preoperative hip strength is an independent predictor of achieving short-term clinically significant outcome after hip EP12.12 Hip arthroscopy in the lateral position using a post-less arthroscopy for femoroacetabular impingement syndrome distraction system EP13.9 Successful arthroscopy for pincer-morphology: 2-year outcomes EP12.13 Outcomes of revision hip arthroscopy: A systematic review and in patients with acetabular over coverage compared with meta-analysis matched controls EP12.14 Patient perception of femoroacetabular impingement EP13.10 Factors associated with failure following hip arthroscopy for FAI EP12.16 Post-operative oral thromboprophylaxis in at risk patients in patients over 40 undergoing hip arthroscopy mitigates the risk with a low side- EP13.11 The evolution of symptomatic versus asymptomatic effect profile: A single surgeon series in a developing country femoroacetabular impingement: Case report of a professional EP12.17 Association between sadness and symptom severity in hockey player with ten-year follow-up paediatric and adolescent patients with hip pain EP13.12 Arthroscopic FAI treatment with initial access to the peripheral EP12.18 Surgeon accuracy of predicting patient-reported outcome and compartment. Outcomes with a minimum two years follow up satisfaction scores in patients undergoing hip arthroscopy EP13.13 Os acetabuli: Prevalence, types, and its relationship with EP12.19 The “Salvage” periacetabular osteotomy: Early outcomes in femoroacetabular impingement patients treated for iatrogenic hip instability EP13.14 Tracing outcomes and survivorship against age and gender in hip arthroscopy surgery EP13.15 Anterior intra- and extraarticular subspine impingement in patients with Pincer FAI due to Protrusio acetabuli and acetabular retroversion

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EP13.16 Labral repair in femoroacetabular impingement; comparing EP14 - Hip-spine syndrome HSPC patient outcomes between two different knotless suture anchors EP14.1 Hip spine extension syndrome: physical examination EP13.17 Compressive cryotherapy is better than cryotherapy alone in reducing pain after hip arthroscopy for femoroacetabular EP14.2 A finite element analysis of ischiofemoral impingement, impingement femoroacetabular impingement, and femoral version to investigate the effects on the lumbar spine EP13.18 Impairment of sexual life in female patients with femoroacetabular impingement. A qualitative-quantitative study EP14.3 Diagnostic imaging prevalence of sacroiliac joint abnormalities and clinical outcomes in patients undergoing hip arthroscopy for EP13.19 Acetabular morphology predicts early conversion to arthroplasty femoroacetabular impingement syndrome following isolated hip arthroscopy for femoroacetabular impingement EP15 - Cartilage injury and repair EP13.20 Proximal over-resection during femoral osteochondroplasty negatively affects the distractive stability of the hip joint EP15.1 Factors predicting acetabular chondral damage in femoroacetabular impingement EP13.21 Arthroscopic outcomes as a function of acetabular coverage from a large hip arthroscopy study group EP15.2 Prevalence and clinical implications of chondral injuries after hip arthroscopy for femoroacetabular impingement syndrome EP13.22 Hip arthroscopy for femoroacetabular impingement and labral tears: minimum 2-year outcomes EP15.3 Do larger acetabular chondral defects portend inferior outcomes in patients undergoing arthroscopic acetabular microfracture? EP13.23 Five-year outcomes after arthroscopic treatment for A matched-controlled study femoroacetabular impingement syndrome EP15.4 Cartilage register of German speaking countries:4-year results of EP13.24 Simultaneous acetabular labrum reconstruction and remplissage the module hip of the femoral head-neck junction. Technical note EP15.5 Magnetic resonance arthrography of the hip with hyaluronic acid EP13.25 Hip arthroscopy for femoroacetabular impingement (FAI) as contrast medium. Interobserver reliability in the diagnosis of patients with self-reported allergies: Do multiple allergies have articular cartilage lesions and labral tears an effect on outcome? EP15.6 Demographic and radiographic factors associated with intra- EP13.26 Treatment of impingement cysts using a bioabsorbable suture articular hip cartilage injury: a cross-sectional study of 1511 hip anchor arthroscopy procedures EP13.27 Subspine type 2 is predictable by anteroposterior and false EP15.7 Minimum 12-month follow-up of a randomized controlled trial profile radiographic views: A cohort study comparing platelet-rich plasma versus hyaluronic acid in the EP13.28 Patients with borderline hip dysplasia achieve clinically treatment of symptomatic early osteoarthritis of the hip joint significant outcome after arthroscopic femoroacetabular EP15.9 Differences in gene expression between femoroacetabular impingement surgery: A case-control study with minimum impingement (FAI) and end-stage hip osteoarthritis 2-year follow-up EP15.10 Sport activity and clinical outcomes after hip arthroscopy with microfracture at a minimum 2-year follow-up

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EP15.11 Quantitative hip cartilage MRI of patients with hip dysplasia: EP16 - Teamwork and training Evaluation of dGEMRIC, T1ρ and T2* mapping EP16.1 Acetaminophen versus oxycodone-APAP for pain management EP15.12 Gel scaffolds and membranes-which one is a better choice in hip after hip arthroscopy: A randomized controlled trial cartilage defects treatment: advantages and disadvantages EP16.2 Does use of a virtual reality hip arthroscopy simulator influence EP15.13 Amniotic suspension allograft injection for hip osteoarthritis: medical students’ attitudes toward a career in orthopaedic surgery? Prospective pilot study with 1 year follow up EP16.3 The influence of distance from orthopaedic treatment centre on EP15.14 The role of microfracture in the treatment of full-thickness achieving minimally clinically important difference in patients chondral defects in hip arthroscopy: a mean 8-year follow up undergoing surgery for femoroacetabular impingement study EP16.4 The Australian patient experience: Part A - hip arthroscopy EP15.15 Optimization of human articular chondrocytes isolation with a intervention single enzymatic digestion procedure EP16.5 How many opioid pain medications should we prescribe EP15.16 Arthroscopic treatment of acetabular cartilage lesions in cam- following hip arthroscopy? A randomized control trial type hip impingement with membrane induced chondrogenesis versus micro fracturing EP16.6 Pre-emptive analgesia in hip arthroscopy: No added benefit of intra-articular bupivacaine injection following preoperative peri- EP15.17 Early results of autologous matrix induced chondrogenesis acetabular block and bone marrow aspirate concentrate for acetabular cartilage lesions EP16.7 Do patients receive physical therapy for hip pain prior to consulting a hip surgeon? V15.18 Technique of arthroscopic BMAC (Bone Marrow Aspirate Concentrate) supplementation in AMIC (Autologous Matrix EP16.8 What are the costs for conservative care prior to arthroscopic Induced Chondrogenesis) for hip cartilage lesions treatment of femoroacetabular impingement syndrome? EP15.19 The alpha angle in femoroacetabular impingement can predict EP16.9 Use of a single dose of IV Toradol to decrease post-operative the severity of acetabular cartilage damage opioid need and improve efficient discharge form the hospital following hip arthroscopy EP15.20 Sustained benefit of autologous matrix-induced chondrogenesis (AMIC) for hip cartilage repair in athletic patients EP16.10 Effect of neuromuscular relaxation on perineal pressures and hip distraction during traction for hip arthroscopy EP15.21 Reliability of arthroscopic classification of hip chondral lesions EP16.11 Prospective evaluation of opioid utilization after hip and knee EP15.22 Short-term results of mosaicplasty for the treatment of femoral arthroscopy head osteochondral lesions: a report of 5 cases and surgical technique EP16.12 Multimodal pain management in hip arthroscopy EP15.23 Are chondrocytes overlying cam morphology suitable for EP16.13 Hip arthroscopy learning curve after training at high volume therapeutic use? centre: a retrospective single-surgeon study EP16.14 Opioid use in adolescents following hip arthroscopy EP16.15 Can perioperative multimodal drug administration reduce the need for opioids following hip arthroscopy?

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EP16.16 Resident involvement in hip arthroscopy is associated with EP17.9 Multi-centre analysis of changes in patient satisfaction and longer operative times but no increased short-term risks self-reported functional outcomes between year-1 and year-2 EP16.17 Resident involvement in periacetabular osteotomy is associated following hip preservation surgery with longer operative times but no increased short-term risks EP17.11 Intraabdominal pressure changes during hip arthroscopy. EP16.18 Comparative efficacy of pre-operative quadratus lumborum A prospective multicentre study blocks in hip arthroscopy EP17.12 Early results of osteonecrosis of the femoral head treated with EP16.19 Factors associated with initial interest and treatment selection core decompression and hyaluronic acid-based cell-free scaffolds of patients with femoroacetabular impingement syndrome soaked in concentration of autologous bone marrow aspirate EP16.20 Improving perioperative communication in hip arthroscopy EP17.13 Comparison of patient outcomes and satisfaction levels using an automated text messaging robot: a randomized- between arthroscopic debridement and conservative treatment controlled trial of adhesive capsulitis of the hip EP16.21 Objective measures of physical performance assess functional EP17.14 Is diabetes mellitus a negative prognostic factor for patients limitations of hip dysplasia undergoing hip arthroscopy? A matched-controlled study EP16.22 Comparing cost and outcomes for post-operative EP17.15 Mid-term outcomes of iliopsoas fractional lengthening (IFL) femoroacetabular impingement (FAI) patients that utilize for internal snapping as a part of hip arthroscopy telehealth services for physical therapy: a matched-pair analysis EP17.17 Radiographic predictive factors of hip osteoarthritis: A systematic review EP17 - Other EP17.18 The evolution of hip arthroscopy: What has changed between EP17.1 Total hip replacement vs. hip resurfacing - Which performs 2008 and 2018 - a single surgeon’s experience better following revision surgery? - A case-controlled study EP17.20 Outcomes for open and arthroscopic rectus femoris ossification EP17.2 Clinical outcomes after arthroscopic iliopsoas release excision. Short term results and treatment algorithm EP17.3 Comparison of false profile radiographs and ultrasound for the EP17.21 Localized contact pressure on the femoral head increases due to screening of anterior inferior iliac spine type inversion of the acetabular labrum: A biomechanical study EP17.4 Outcome following core decompression for non-traumatic EP17.22 Femoroacetabular impingement in femoral neck stress fractures avascular necrosis of the femoral head: A systematic review EP17.24 An understanding of patient factors and hip arthroscopy EP17.5 Multiple psychiatric comorbidities preoperatively increases costs intraoperative findings in patients with self-reported trouble with for patients undergoing hip arthroscopy for labral repair sexual activity EP17.6 Extra-articular hip impingement EP17.25 Is the iliopsoas muscle a femoral head stabilizer? A systematic review EP17.7 Survivorship of hip arthroscopy for femoroacetabular impingement syndrome performed with modern surgical EP17.26 Comparing different hip physical examination methods on the techniques and predictors of clinical failure diagnosis of labral tear EP17.10 The effect of cam impingement on severity of synovitis; EP17.27 Accuracy of magnetic resonance imaging measurement of labral A multi-centre descriptive study width compared to intra-operative assessment 25

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EP17.28 MRI assessment of subspine impingement: Features beyond the EP17.48 The Passive Flexion External Rotation (PFER) Test for anterior inferior iliac spine femoroacetabular impingement (FAI) syndrome: A retrospective EP17.29 Arthroscopic versus open arthrotomy for treatment of native hip exploratory study septic arthritis EP17.49 Minimum 2-year follow-up results of hip arthroscopy for EP17.30 Risk factors and rate of prolonged opioid consumption after hip symptomatic collapsed osteonecrosis of the femoral head arthroscopy in opioid naïve patients EP17.50 Multiple drilling and multiple matchstick-like bone allograft for EP17.31 Multicentre analysis of changes in patient satisfaction and large osteonecrotic lesions of the femoral head: an average self-reported functional outcomes between year-1 and year-2 3-year follow-up study following hip preservation surgery EP17.51 In-office ultrasound-guided intra-articular hip injection vs. EP17.32 Adverse correlations between alpha angle and signal intensity radiology and operating room-based fluoroscopic-guided intra- of subchondral bone on 3-dimensional magnetic resonance articular hip injection: a cost minimization analysis imaging for the evaluation of cam morphology EP17.52 Statistical fragility and the role of P Values in the hip arthroscopy EP17.34 Endoscopic management of proximal rectus femoris avulsion injury literature EP17.35 Arthroscopic treatment of intra-articular hip tumours EP17.53 A ganglion arising from the teres ligament associated with an anterior labral tear of the hip. Case report EP17.36 Ileopsoas tenotomy in patients undergoing hip arthroscopy: clinical outcomes at 4 years follow-up EP17.54 Physical examination of the hip: Current practices and future directions EP17.37 Arthroscopic reduction and internal fixation of femoral neck Fracture: Technical Note EP17.55 The association between mental health status and patient- reported outcomes following hip arthroscopy for FAI EP17.38 Clinical observation of arthroscopic surgery for posterior dislocation of hip with labral tears EP17.56 The role of the M. sartorius in FAI and hip arthroscopy EP17.40 The clinical efficacy of arthroscopy application in hip Brucella EP17.57 Arthroscopic assisted percutaneous osteosynthesis of the Pipkin Septic Arthritis treatment and outcome follow-up II type femoral head fracture: A clinical case EP17.41 Abductor muscles increase hip stability against rotational and EP17.58 Surgical treatment of proximal rectus femoris tendon avulsion distractive forces: a quantitative study EP17.59 Hip preservation outcomes in subchondral insufficiency fractures EP17.42 Multiple iliopsoas tendons and its implications in internal of the femoral head: A systemic review snapping hip syndrome EP17.60 Is hip arthroscopy cost-effective for the treatment of EP17.43 Comparison of avascular necrosis methods in murine model femoroacetabular impingement (FAI)? A systematic review of economic evaluations EP17.44 Motor vehicle collisions and labral tears? EP17.61 The brief resilience scale correlates with pre and post-operative EP17.45 Hip Arthroscopy trends and outcomes: A national multicentre outcomes following hip arthroscopy study EP17.63 Differences in radiographic measurements on standing versus EP17.47 Standardizing the diagnostic evaluation of non-arthritic hip supine pelvic radiographs disorders through the Delphi method

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EP17.64 Nonoperative management of posterior wall fractures of the EP19.2 High preoperative expectations are associated with achieving acetabulum in NFL players clinically significant outcome improvement after hip arthroscopy EP17.65 Medial joint space may be a predictor of arthritic changes for femoroacetabular impingement syndrome following hip arthroscopy for symptomatic labral tears EP19.4 Patient kinesiophobia and pain catastrophization affect patient EP17.66 Outcomes of hip arthroscopy in pre-operative opioid users recovery and return to activity after hip arthroscopy for femoroacetabular impingement syndrome EP17.67 Pelvofemoral flexion test- Hip deep flexion with pelvic posterior tilting is associated with preoperative patient-related outcomes EP19.5 Least absolute shrinkage and selection operator (LASSO) and hip flexion strength: A cohort study model for achieving the minimal clinically important difference following hip arthroscopy: An analysis of 1,103 patients EP17.68 The Iliocapsularis muscle adjoins the medial branch of the iliofemoral ligament: A histologic anatomy study EP19.6 Preoperative performance of PROMIS in patients undergoing hip arthroscopy for femoroacetabular impingement syndrome EP17.70 Exploring the validation of a Japanese version of the International Hip Outcome Tool 12: Reliability, validity, and responsiveness EP19.7 Does failure to meet threshold scores for mHHS and iHOT-12 correlate to reoperations following hip arthroscopy? EP17.71 The best technique for leg length measurements pre and post total hip arthroplasty: What is the current evidence? EP19.8 Factors associated with pain catastrophizing in hip arthroscopy EP17.72 Patients with femoroacetabular impingement syndrome have EP19.9 The impact of general physical and mental health, BMI, and pain altered gait mechanics in the sagittal plane compared to normal catastrophizing on a non-arthritic hip specific outcome measure controls (IHOT-33) EP17.73 Arthroscopic excision of intra-articular osteoid osteoma of the EP19.10 Clinically relevant threshold values for success following hip hip: a case series arthroscopy using the patient reported outcomes measurement information system (PROMIS) questionnaire. Determining the EP17.74 Arthroscopic treatment of internal snapping hip: approach and minimum clinically important difference (MCID) and patient results acceptable symptomatic state (PASS) EP17.75 Classification and prognosis of hip pigmented villonodular EP19.11 Hip specific patient reported outcomes scores decrease in an synovitis age dependent manner EP17.76 What can the simplified Chinese version of International Hip EP19.12 The validation of Japanese version of the international PROMs Outcome Tool (iHOT-12) revealed in young patient undergo hip “Vail Hip Score”: reproducibility, validity, and reliability tested arthroscopy? with COSMIN checklist EP17.77 Mid-term patient reported outcomes of hip arthroplasty EP19.13 Performance of PROMIS in patients with hip dysplasia treated following prior hip arthroscopy: A matched case-control study with periacetabular osteotomy with minimum 5-year follow-up EP19.14 Defining meaningful functional improvement on the visual EP19 - Measuring Outcomes analogue scale for satisfaction at 2-years after hip arthroscopy for femoroacetabular impingement syndrome EP19.1 Defining the MCID, PASS and SCB for Arthroscopic Hip Preservation Surgery at Minimum Five-Year Follow-up

ISHA 2019 Final Programme xxxxxi.indd 27 07/10/2019 14:10 Venue Map

Main Floor (Lobby Level)

ISHA 2019 Final Programme xxxxxi.indd 28 07/10/2019 14:10 About ISHA Academy

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ISHA 2019 Final Programme xxxxxi.indd 29 07/10/2019 14:10 General Information

The following information is prepared to assist with your Exprés-203, N27 Exprés, and 101. Services run 7 days On-Site Registration participation at ISHA 2019. a week from: 06:00 to 23:30. Tickets and fares are Registration is available on-site at the following rates: available on the website of the Consorcio de Transportes On-site Rate Venue de Madrid: www.crtm.es/billetes-y-tarifas/billetes-y- Member of ISHA* €900 ISHA 2019 is being held at the Meliá Castilla Hotel, Madrid. abonos.aspx?lang=en The meeting rooms being used by ISHA 2019 are located Non-Member €1,200 By Taxi or Uber on ground floor of the hotel. Resident/Fellow** €450 When coming by car from Barajas airport, head towards Meliá Castilla Hotel the Exhibition centre (Recintos Feriales). Allied Health Professional/Physiotherapist €425 Calle del Poeta Joan Maragall,43 Once you reach the Exhibition centre, keep going to- Exhibitor - must present business card €1,000 28028 Madrid wards the Paseo de la Castellana, past the Plaza Castilla * Payment for 2019-2020 ISHA Member Dues is required https://www.Meliá.com/en/hotels/spain/madrid/Meliá- and when you get to the Plaza de Cuzco, go around the in advance of meeting registration to receive ISHA castilla/index.html square and turn right onto Calle Sor Angela de la Cruz Member meeting registration discount. and take the first right again: Calle Capitán Haya. ** Resident/Fellow Registrants must provide proof of Transport status or a letter from your Residency/Fellowship The hotel entrance is 50 metres away. When coming by Programme Chair. From the Airport car from the city centre, head towards the Paseo de la The Hotel Meliá Castilla is one of the best located hotels in Castellana and from there to the Plaza de Cuzco. One Accessibility Madrid in respect to public transport and therefore very needs to go around the square in order to turn left onto There are accessible toilets, ramps and lifts throughout easily accessible. A taxi from Barajas Airport should take Calle Sor Angela de la Cruz and then take the first turning the Hotel, including lift access from the car parks. approximately 20 minutes and is expected to cost around on the right. €30.00, depending on traffic. There are various metro Badges lines going directly from the airport to Cuzco metro sta- Car Parking tion, located nearby the Hotel. The fastest way is to take Please wear your registration badge at all times during Hotel Car Park Information Total spaces: 250 Disabled the conference. All attendees are required to wear Line number 8 (Pink Line) which leaves from inside the spaces: 6 Maximum vehicle height: 1.9m. airport between terminals 1 and 2. At Nuevos Ministerios, identification badges when attending sessions. one needs to change to Line number 10 (Dark Blue Line) In addition to the hotel car park, there is the following If your badge is lost, contact the registration team who and head for Cuzco. There is no bus from the airport that public parking area near by the hotel: Calle de Rosario will issue a new one. goes directly to the area where the hotel is located. Pino 12, 28020 Madrid Calle Capitán Haya 45, 28020 Madrid. City Information By Train An ISHA “City Information” is situated in the hotel The nearest train station to the Hotel Meliá Castilla is the Cloakroom Facilities registration area close to the entrance to Patio Hall and so called ‘Estación de Chamartín’, which is located only 1.4 There will be a luggage storage area provided on Saturday will be manned: km away from the hotel. Exhibitors are advised to take a morning in the Comendador Room. taxi from the train station to the hotel which is only a very Thursday 17th October 09:30 - 18:30 short ride away. Dress Code Friday 18th October 09:30 - 14:30 By Bus ISHA 2019 dress code is business casual. However, if you The hotel registration desk and concierge desks are The airport connects Madrid city centre via urban buses are attending the Gala dinner please note that the dress situated on the ground level at the hotel entrance and can of the Municipal Transport Company (EMT), lines 200, code is cocktail/business attire. provide additional information.

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Catering ATM/Cash Mashines CONNECT Lunch and Refreshments There is an ATMs located next to the shop within the hotel Coffee and tea is provided during the official breaks in main entrance area. Mobile Conference App the exhibition area, Patio 1,2,3 & Foyer on Thursday, Friday Messages/Lost and Found Use your smart phone or tablet to download and engage and Saturday morning. in ISHA 2019 via the mobile app. Instructions on how to Please go to the ISHA registration desk in the ground download can be found on page 2 and on the reverse of Lunch bags will be provided on Thursday and Friday from level. catering points in the exhibition area. your name badge. For those attending Industry sponsored lunchtime First Aid/Medical Assistance workshops on Thursday and Friday, lunch bags are The first aid will be available at all times during the WiFi available at the session rooms. conference open hours. In the first instance, should you Free Wi-Fi at Hotel is available for ISHA 2019 attendees. require assistance either contact a member of the ISHA Connect to network: ISHA2019 - Password: MADRID19 Cash Catering on-site staff via the registration desks or a member of the Outside of the official conference breaks, cash catering hotel staff. is available in the Hotel next to the main entrance, the Social Media Lobby Café is an ideal meeting point and a great place to Security and Safety The twitter hash tag is #ISHA2019. Refer to page 2 for grab a quick breakfast, a delicious Nespresso coffee, your Please do not leave bags or suitcases unattended at any more information on how to engage during the conference. favourite drink or a snack at any time of day. The Lobby time, whether inside or outside the session rooms. Any Café is open from 07.30 to 23.30. security problems or concerns should be reported in the PROGRAMME INFORMATION Mobile Phones first instance to a member of ISHA or hotel staff. In an emergency, dial extension 6666 from any house phone or Abstracts and Faculty A-Z As a courtesy to speakers and other participants, all +61 3 9235 6666. Should fire alarms sound, please leave Submitted abstracts and faculty information can be mobile phones must be silenced before entering the the building via the nearest safe exit. The meeting point is accessed via the ISHA conference website: scientific sessions. Attendees are encouraged to use their at the rear of the Meliá Castilla Hotel. mobile devices to connect with the ISHA App, social www.ishaconference.com/scientific-programme/ media posting, website browsing, and asking questions in Smoking Policy abstractsandfaculty sessions (see page 2 for connection information). These Smoking is not permitted within Meliá Castilla. PASSWORD: ISHAASM11 should be switched to silent in sessions. Language E-Posters and Videos Charging Stations The congress language is English. Simultaneous translation Attendees will have the opportunity to view E-posters There are no official charging stations in the hotel. is not provided. and videos via the viewing screens located in Patio 1,2,3 However, if you need to charge your phone during the & Foyer. conference please go to the ISHA registration desk in the Electricity E-posters and videos can also be accessed via the ground level, to see if they can assist you. Electrical current is 220/230V, AC 50Hz. The European two pin plugs are used which is different from that in many ISHA 2019 app and via the conference website www. Business Centre countries, so you if will need an adaptor. If your appliances ishaconference.com, access password is ISHAASM11. Photocopy and printing services are available from the are 110V, check if there is a 110/220V switch. If not, you will There are not any formal “Meet the Author” sessions, business centre in the hotel. Please note charges will be need a voltage converter. Universal outlets for 220V or should you wish to meet the author, use the messaging applicable. 110V shavers are usually found in leading hotels. function via the ISHA 2019 app to arrange a meet up. 31

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Session Q&A PRESENTER INFORMATION All session rooms have audience microphones and room stewards to assist with Q&A. If you prefer, you can also Speaker Preview Room use the question feature within the ISHA 2019 app, and All presenters should visit the on-site speaker preview the session moderators will receive your questions. room located in Segovia Room, situated on Ground Floor, Friday 18th October 19:30 - 23.00 to check in, confirm your audio-visual requirements and Certificates of Attendance ISHA 2019 Gala Dinner to load your presentations. There are not the facilities to load your presentations in the session rooms. A certificate of attendance will be sent to all attending Casino de Madrid. Dress code is Cocktail/Business Attire. delegates electronically by email after the conference, on The ISHA 2019 Gala Dinner is being held at the Casino de Please load your presentation(s) at least two hours before completion of the post conference survey. If you have any Madrid, an iconic members club dating back to 1836. the start time of the session you are presenting in. questions relating to receipt of this, please email: Guests will experience this beautiful venue and enjoy The Speaker Preview Room will be open at the following [email protected]. excellent cuisine in the spectacular Salon Real for an times. exquisite three course meal accompanied by fine wines, Wednesday 16th October 07:00 - 19:00 Surveys prepared by the award winning chef and his team. Thursday 17th October 07:00 - 19:00 There are post session surveys included within the ISHA After dinner entertainment will be provided by renowned app. Your completion is appreciated to help us plan for flamenco dancer, Eva Manzano. Friday 18th October 07:00 - 18:30 future Annual Scientific Meetings. Coaching will depart from the front entrance of the Meliá Saturday 19th October 07:30 - 12:00 If you are collecting CME accreditation, to qualify for Castilla at 19:30 and return after Dinner. Presenters are reminded to: points it is mandatory to complete session surveys for There are a limited number of tickets still available to the qualifying sessions you attend. Any questions ask the purchase at a cost of Euro€140 from the Accounts Desk • Assemble at your session room at least ten registration team. in the Hall Auditorio. minutes before the start of your session. A short post event survey will be sent to you by email post • If you are presenting in a concurrent session, ISHA 2019 and we ask that you complete this to assist Partners’ Programme and Optional Tours please ensure you keep to time and get to your with future planning. For those who have pre-booked an accompanying guest second session as soon as possible before your registration package or delegates who have booked presentation time slot, this may mean missing the optional tours, a tour to Toledo on Thursday 17th October Q&A session. SOCIAL/NETWORKING departing at 09:00 and returning at approximately 16:30 • Introduce yourself to the session moderators. EVENTS and a Madrid City Tour on Friday, 18th October departing • Sit near the front of the room with easy access to at 09:30 and returning at approximately 13:30 have been the stage. Thursday 17th October 18:30 - 20:00 organised. Those booked on the tours should meet in the ISHA Accompanying Guest Lounge, located on the • Ensure you keep to the time allocated to you, as ISHA 2019 Cocktail Reception ground floor of the Meliá Castilla 10 minutes ahead of it will cause disruption to sessions if you overrun scheduled departure. your time slot. Meliá Castilla Patio Hall 1,2,3 & Foyer Should you wish to book a place on one of these tours and • If you have any issue giving your presentation Included in registration fee. haven’t already done so, please enquire about availability as scheduled, please contact the ISHA Scientific Programme co-ordinator via the registration desk. Dress code is business casual. and costs at the ISHA Accounts Desk. 32

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who contribute high-quality data and presentations. DISCLAIMER Thus, residents and fellows with a study related to hip All best endeavours have been made to present the arthroscopy were encouraged to apply for this award. programme as outlined in the printed programme, Judged by an ISHA-selected panel, the 2019 Trainee conference app and website. However, ISHA and its Awards will be awarded to the trainee who delivers the agents reserve the right to alter or cancel, without best presentation during the Annual Scientific Meeting. prior notice, any arrangements, timetables, plans or The finalists will present their research at the 2019 ISHA other arrangements relating directly or indirectly Annual Scientific Meeting. These presentations will be to the ISHA 2019 Annual Scientific Meeting, for any given in the PL5 – Trainee Competition Presentations cause beyond its reasonable control. ISHA and its session in the Auditorium on Saturday 19 October at agents are not liable for any loss or inconvenience 08.00 -09.05, please see page 14 for details. caused as a result of such alterations. ISHA Physiotherapist Award Insurance The International Society for Hip Arthroscopy also wish Attendees have been advised to ensure they have their to acknowledge and honor the work of physiotherapists own travel insurance in place before travelling to Madrid, who have contributed their important work in the fields and to extend their policy to cover personal possessions, of hip preservation and rehabilitation for inclusion in the as ISHA does not cover individuals against cancellation of ISHA 2019 scientific programme. bookings or theft of damage to belongings. Physiotherapy abstract submissions, which have been The Organisers cannot be responsible for medical, travel accepted for either oral, e-poster or video presentation, or personal claims. Delegates are strongly advised to will be evaluated by reviewers during the Annual have taken out insurance policies covering the following Scientific Meeting and awards will be presented in the three areas: health and accident, loss of luggage and Closing Session from 12:00 - 13:00 on Saturday 19th cancellation (travel and registration). October.

ISHA Trainee Awards Programme The International Society for Hip Arthroscopy Trainee FUTURE ISHA Awards Programme is committed to recognising and ANNUAL SCIENTIFIC MEETINGS honoring young researchers whose work has contributed to better understanding and communication within the field of Hip Arthroscopy. The 2019 ISHA Trainee Awards ISHA 2020 1 - 3 October Ottawa, Canada are The ISHA Basic Science Award and The Richard N. Villar Excellence in Clinical Research Award. ISHA 2021 7 - 9 October Cape Town, South Africa The ISHA Trainee Awards were created with the intention to stimulate and reward younger researchers ISHA 2022 13 - 15 October Glasgow, UK

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Accreditation ISHA 2019, Madrid, Spain, 17/10/2019-19/10/2019 has been accredited by the European Accreditation Council for Continuing Medical Education (EACCME®). The EACCME® awards ECMEC® on the basis of 1 ECMEC® for one hour of CME with a maximum of 8 ECMEC®s per day. To track and qualify for your CME points, you are asked to ensure that you scan the QR code in the room in each session you attend, and to complete the post session survey on the app for each session.

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Virtual Surgery Simulation Sessions

ISHA and proud to offer virtual reality hip surgery training sessions during ISHA’s 2019 Annual Scientific Meeting in partnership with two of the leading simulator manufacturers VirtaMed and 3D Systems. For details of the Session Schedule times, please refer to page 6. We value simulation as part of the contemporary surgeon’s curriculum; learning the basic skills and procedure steps in a risk-free environment. Participants will have the chance to work one-on-one with trainers to learn the best ways to improve their arthroscopic skills. Our two sponsors will offer different training procedures each of 1 hour duration. These sessions use VirtaMed’s ArthroS™ hip arthroscopy simulator, which includes various basic skills, diagnostic and therapeutic cases. The simulator has been developed with a special focus on access training: the anatomic model looks, feels and behaves like a real hip, so trainees can palpate the bony landmarks or manipulate the joint to find their way. Thanks to the virtual reality interface, surgeons in training can also simulate fluoroscopic imaging in a safe, radiation free environment. Each session is an hour long and will teach participants how to: • triangulate instruments • conduct diagnostics • perform a cam resection • manage a 70° scope • remove loose bodies

These sessions use Simbionix ARTHRO Mentor This training simulator has been developed for hip, shoulder and knee arthroscopic surgical training. It provides an effective tool for arthroscopic surgery skills acquisition, the system reduces training time and considerably improves the learning curve of the complex surgery techniques. Each session is an hour long and will teach participants how to: • Managing a 70° scope during a visual examination of the hip • Diagnosis of diverse pathological cases such as: • Basic probe examination and triangulation • Inflamed Pulvinar in the Acetabular Fossa • Advanced probe examination • Partially torn Ligamentum Teres • Anterior Acetabular cartilage delamination • Loose bodies There will be a prize of a complimentary registration to ISHA 2020 which will be awarded to the highest-skilled participant in each of the two training programmes, as measured by the simulation metrics. All participants will receive a certificate of attendance (not eligible for CME credits). Sessions have limited spaces and are available on a first come basis at a charge of Euros €50. Registered delegates will be sent a booking form to enable pre-booking. If you haven’t received and would like to reserve your place contact the conference office at E: [email protected] ISHA would like to thank the contribution of: Smith & Nephew, Karl Storz and Zimmer Biomet in making these sessions possible. 35

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Industry Sponsored Lunchtime Workshops

Thursday 17th October 2019

LWS1 Industry Workshop LWS2 Industry Workshop LWS3 Industry Workshop Sponsored by Sponsored by Sponsored by

12:45 - 13:35 Castilla Room 12:45 - 13:35 Hidalgo Room 12:45 - 14:00 Doblón Room

Global Perspective on The Advanced Surgical Modern Solutions for Modern Hip Labral Repair vs. Experience for Complex Challenges in Hip Arthroscopy Augmentations vs. Hip Arthroscopy Moderators: Femi Ayeni (Canada) Reconstructions Tony Andrade (UK) Panel: Struan Coleman (USA) Moderator: Ivan Wong MD (Canada) Panel: T-Shape Capsulotomy vs. Richard Mather (USA) Avoiding a Capsulotomy Panel: Acetabular Labral Repair Nicolas Bonin (France) Shane Nho (USA) Marc Safran, MD (USA) Labral Repair vs. Primary Reconstruction Labral Augmentation Thomas Wuerz (USA) Marc Philippon, MD (USA) Closing the Capsule: The Labral Repair vs Labral Way for an Easier Procedure Reconstruction Derek Ochiai (USA) Geoffrey van Thiel, MD (USA) Gluteus Medius Repair vs. Augmentation Labral Reconstruction Carlomango Cardenas (Spain) Tony Andrade (UK) Hamstring Repair: Open vs. Endoscopic Dr. Jovan Laskovski (USA)

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Industry Sponsored Lunchtime Workshops

Friday 18th October 2019

LWS4 Industry Workshop LWS5 Industry Workshop LWS6 Industry Workshop Sponsored by Sponsored by Sponsored by

12:45 - 13:35 Castilla Room 12:45 - 14:00 Doblón Room 13:00 - 13:40 Hidalgo Room

The Future of Hip Arthroscopy Current Concepts Technical Advancements in Hip Preservation in Hip Joint Preservation Moderator: Jovan Laskovski (USA) and Arthroscopy Panel: Course Introduction Dean Matsuda (USA) Moderator: Claudio Mella (Chile) Panel: Advancements in Labral Subchondral bone defects: Repair vs Reconstructions Panel: Welcome & Introduction What do we need to know? in the last 10 years John Gualdoni (Arthrex) Scott Faucett, MD (USA) When and how do we treat them? Technological Advancements Shelf Acetabuloplasty and Atul Kamath (USA) in Labral Repair how it’s Benefited my Capsule management: John Christoforetti (USA) Practice Current trends Soshi Uchida, MD (Japan) Technical Pearls for Labral Dominic Carreira (USA) Reconstruction: The Pull Past and Future Treatment Clinical Graphics: How it can Through Technique for Gluteal Tears help improve your insight, Benjamin Domb (USA) Thomas Byrd, MD (USA) efficiency and patient communication. FAI combined with Hip Future Treatment for Example case walk-through Dysplasia - My Treatment Posterior Hip Pain and discussion Algorithm Hal Martin, MD (USA) Atul Kamath (USA) Michael Dienst (Germany) Closing remarks Complex Case Discussion 37

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List of Exhibitors

Stand # Company 1 Smith & Nephew 4 Game Ready 5 Medacta International 18 Anika Therapeutics 24 Stryker 30 ConMed 7 3 Zimmer Biomet 39 Arthrex 40 Xodus Inc 1 4 Karl Storz 42 Proximie

Exhibition Hours

Thursday 17th October 08:00 - 18:30 Welcome Reception 18:30 - 20:00

Friday 18th October 08:00 - 18:30

Saturday 19th October 08:00 - 13:00

ISHA 2019 Final Programme xxxxxi.indd 38 07/10/2019 14:10 Acknowledgements

ISHA 2019 Annual Scientific Meeting Sponsors The International Society for Hip Arthroscopy gratefully acknowledges funding and “in kind” support in part from generous educational grants from: Platinum Sponsor

Gold Sponsors

Silver Sponsors

Bronze Sponsor

Supporters

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