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The Society for Surgery of the Alimentary Tract 52ND ANNUAL MEETING Program Book Abstract Supplement May 6 – 10, 2011 McCormick Place Chicago, Illinois THE SOCIETY FOR SURGERY OF THE ALIMENTARY TRACT Table of Contents Schedule-at-a-Glance .............................................................................................................2 Sunday Plenary Video, and Quick Shot Session Abstracts ....................................................4 PROGRAM BOOK ABSTRACT SUPPLEMENT Monday Plenary, Video, and Quick Shot Session Abstracts ................................................17 Tuesday Plenary, Video, and Quick Shot Session Abstracts .................................................38 FIFTY-SECOND ANNUAL MEETING Sunday Poster Session Abstracts ..........................................................................................55 McCormick Place Chicago, Illinois Monday Poster Session Abstracts .........................................................................................95 May 6–10, 2011 Tuesday Poster Session Abstracts .......................................................................................138 PLEASE BRING THIS PROGRAM BOOK ABSTRACT SUPPLEMENT WITH YOU TO THE ANNUAL MEETING. 12:45 PM 12:30 PM 12:15 PM 12:00 PM 11:45 AM 11:30 AM 11:15 AM 11:00 AM 10:45 AM 10:30 AM 10:15 AM 10:00 AM 5:45 PM 5:30 PM 5:15 PM 5:00 PM 4:45 PM 4:30 PM 4:15 PM 4:00 PM 3:45 PM 3:30 PM 3:15 PM 3:00 PM 2:45 PM 2:30 PM 2:15 PM 2:00 PM 1:45 PM 1:30 PM 1:15 PM 1:00 PM 9:45 AM 9:30 AM 9:15 AM 9:00 AM 8:45 AM 8:30 AM 8:15 AM 8:00 AM 7:45 AM 7:30 AM THE SOCIETY FOR SURGERY OF THE ALIMENTARY TRACT OF THE ALIMENTARY THE SOCIETY FOR SURGERY SATURDAY, MAY 7, 2011 S504 Other S501a S501bcd S503 S504 Hall A Other MAINTENANCE OF CERTIFICATION COURSE: The Surgeon in the Management of Gastric and Esophageal Diseases DDW CCS: Schedule-at-a-Glance Bariatric Surgery, Obesity, and NAFLD PLENARY SESSION III CLINICAL CONTROVERSIES IN WARD GI SURGERY DEBATES A: Nissen ROUNDS: Fundoplication & Complicated GERD; GI Surgery 2 Appendicitis Robotics VIDEO SESSION I: Specialty Videos SUNDAY, MAY 8, 2011 (PLENARY SESSION II) (PLENARY SESSION I) OPENING SESSION GUEST ORATION ADDRESS: Happy PRESIDENTIAL PRESIDENTIAL PRESIDENTIAL Mother's Day PLENARY B STATE-OF-THE-ART PLENARY A CONFERENCE: Personalized Medicine in Gastrointestinal Cancer: Potential Applications in Clinical Practice POSTER SESSION I (authors available @ posters 12:00 PM - 2:00 PM) DDW CCS: MEET-THE- Definition and PROFESSOR Mgmt of PPI LUNCHEONS Failure in GERD 12:45 PM 12:30 PM 12:15 PM 12:00 PM 11:45 AM 11:30 AM 11:15 AM 11:00 AM 10:45 AM 10:30 AM 10:15 AM 10:00 AM 5:45 PM 5:30 PM 5:15 PM 5:00 PM 4:45 PM 4:30 PM 4:15 PM 4:00 PM 3:45 PM 3:30 PM 3:15 PM 3:00 PM 2:45 PM 2:30 PM 2:15 PM 2:00 PM 1:45 PM 1:30 PM 1:15 PM 1:00 PM 9:45 AM 9:30 AM 9:15 AM 9:00 AM 8:45 AM 8:30 AM 8:15 AM 8:00 AM 7:45 AM 7:30 AM QUICK S501a S501bcd S504 S505 Hall A Other S501a S501bcd S504 Hall A Other SHOTS PLENARY PLENARY PUBLIC POLICY SESSION SESSION V SESSION IV PANEL II 52ND ANNUAL MEETING • MAY 6–10, 2011 • CHICAGO, IL 52ND ANNUAL MEETING • MAY CONTROVERSIES IN CLINICAL CLINICAL VIDEO GI SURGERY WARD WARD RNDS: SESSION III: DEBATES B: Rare and ROUNDS: Lap Hepatocellular Complex Surgeries; Emerging Liver Carcinoma Regionalization Technologies Resection MONDAY, MAY 9, 2011 Schedule-at-a-Glance How to ANNUAL SSAT/ASCRS STATE-OF- SSAT/AHPBA VIDEO SESSION II: Succeed in BUSINESS JOINT THE-ART JOINT BREAKFAST AT Academic LECTURE MEETING SYMPOSIUM Surgery SYMPOSIUM THE MOVIES QUICK SHOTS SESSION I POSTER SESSION II (authors available @ posters 12:00 PM - 2:00 PM) 3 DDW CCS: Show DDW CCS: DDW CCS: Multidisciplinary MEET-THE- Me the Way: Finding Endoscopic Mucosal Approach to GI PROFESSOR the Duct in the Resection of GE Neuroendocrine Surgically Altered LUNCHEONS Junction Dysplasia Anatomy Tumors (NETs) TRANSLATIONAL SCI PLENARY PLENARY SESSION VII (PLENARY SESSION VI) QUICK TUESDAY, MAY 10, 2011 SHOTS SESSION III SSAT/ISDS JOINT SSAT/SAGES JOINT BREAKFAST LUNCHEON SYMPOSIUM SYMPOSIUM POSTER SESSION III (authors available @ posters 12:00 PM - 2:00 PM) MEET-THE- DDW CCS: DDW CCS: PROFESSOR Familial Colorectal Multidisciplinary Cancer: Screening Approach to LUNCHEONS & Surgical Mgmt Barrett's Esophagus THE SOCIETY FOR SURGERY OF THE ALIMENTARY TRACT 52ND ANNUAL MEETING • MAY 6–10, 2011 • CHICAGO, IL SSAT PLENARY, VIDEO, AND 306 RESULTS: Rates of pancreatic fi stula, delayed gastric emp- tying and mortality were not different between patients Laparoscopic Pancreaticoduodenectomy for Cancer: who underwent Lap or Open PD. Estimated blood loss was Abstracts QUICK SHOT ABSTRACTS Sunday Margin Status, Adequacy of Resection and 90 Day less in the Lap PD group, and operative time was longer Printed as submitted by the authors. Outcomes in the Lap PD group. Percentage of patients undergoing /indicates a paper that is also being presented at the Residents & Fellows Research Conference. Craig P. Fischer1,3, Bridget N. Fahy1,2, Brian J. Dunkin1,2, a margin negative resection was equivalent amongst the 1,4 1,2 groups, and mean tumor size and percentage of regional Participation in and attendance at this conference is by invitation only. Patrick R. Reardon , Barbara L. Bass 1Surgery, The Methodist Hospital, Houston, TX; 2Surgery, Weill lymph node metastasis were also not different. Signifi cant indicates a video presentation scheduled during a Plenary Session. Medical College of Cornell University, New York, NY; 3Division differences were noted regarding the likelihood of begin- of Surgical Oncology, The Methodist Hospital, Houston, TX; ning adjuvant therapy at 6 weeks. 87% of patients in the Lap PD group achieved this benchmark, and only 53% in 4Division of Minimally Invasive and Forgut Surgery, The Methodist Sunday, May 8, 2011 the open PD group. Lastly, patients undergoing open PD Hospital, Houston, TX were more likely to be debilitated after surgery than those INTRODUCTION: Laparoscopic pancreaticoduodenectomy who underwent the minimally invasive approach. 8:15 AM – 9:15 AM (Lap PD) has been shown to have similar outcomes as the con- CONCLUSIONS: This study is the fi rst to compare a con- S504 ventional open approach (Open PD), in selected patients. temporary cohort of patients undergoing Lap PD and Open The cancer-specifi c outcomes in patients with periampul- PRESIDENTIAL PLENARY A PD for cancer. Lap PD in this study was associated with less lary malignancy have not been reported in suffi cient num- blood loss, longer operative time, equal rates of complica- (PLENARY SESSION I) bers to allow conclusions. We report an unselected series tions, and improved likelihood receiving adjuvant ther- of 53 patients who underwent Lap PD for periampullary apy in a timely manner following surgery. The benefi ts of malignancy and compare these to matched patients who minimal access surgery regarding faster recovery may allow underwent Open PD at our institution. patients with periampullary malignancy to receive timely /305 and those receiving elective resections were twice as likely METHODS: (Table1). When evaluating racial and socioeconomic fac- From February 2009 to October 2010, 109 pan- adjuvant chemotherapy. Disparities in the Use of Minimally-Invasive Surgery tors, patients within the highest income quartile were more creaticoduodenectomies were performed for periampullary for Colorectal Disease likely to undergo minimally invasive surgery than those in malignancy. With approval from the institutional IRB, 53 307 Celia N. Robinson1,2, Shubhada Sansgiry3, Courtney J. Balentine2,3, patients underwent a total laparoscopic approach, without the lowest income groups. In addition, Medicaid and Medi- Gastro-Intestinal Metabolic Surgery for the Treatment David H . Berger2,3 care patients were signifi cantly less likely to undergo MIS. the use of hand-port or incision other than for specimen extraction. Exclusion criteria Lap PD included tumors >4 of Diabetic Patients: A Multi-Instituional International 1Michael E. DeBakey Department of Surgery, Baylor College of Lastly, race was not a signifi cant predictive factor for under- cm or vascular invasion determined by preoperative three Study Medicine, Houston, TX; 2Operative Care Line, Michael E. DeBakey going MIS for colorectal disease at a high volume center. phase CT scan. During the study period, 6 patients did not Wei J. Lee1, Kyung Yul Hur2, Muffazal Lakdawala3, Kazunori Kasama4, Veterans Affairs Medical Center, Houston, TX; 3Houston VA meet criteria established for Lap PD and are excluded from Simon K. Wong5 Health Services Research and Development Center of Excellence, Table 1: Multivariate Logistic Regression Analyzing Predictive the analysis. Propensity score matching was used to exam- 1Surgery, Min Sheng General Hospital, Taoyuan, Taiwan; 2Surgery, Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX Factors for Undergoing MIS vs. Open Resection ine the institutional database, and select patients for the Soonchunhyang University Hospital, seoul, Korea, Democratic BACKGROUND: (Ref. = Open Surgery) control group based on Age, Sex, Ca 19-9 and key preop- Morbidity and mortality rates for major People’s Republic of; 3Surgery, Saifee Hospital, Mumbai, India; erative comorbidities. The institution practices a uniform surgical procedures are improved in high volume hospitals. Variable OR Confi dence Interval P-VALUE 4 5 approach to adjuvant chemotherapy for patients resected Surgery, Yotsuya Medical Cube, Tokyo, Japan; Surgery, Prince of Additionally, high volume centers are often leaders in the Colorectal Cancer 3.21 2.51–4.10 <0.001 with intent to cure, with a goal benchmark of beginning of Wales Hospital, Hong Kong, Hong Kong utilization of novel surgical technology such as minimally Elective Resection 2.26 1.82–2.80 <0.001 invasive surgery (MIS) for colorectal disease. Although high therapy 6 weeks following surgery. Perioperative outcomes BACKGROUND: Gastro-intestinal metabolic surgery has been volume centers often serve diverse patient populations, it is RACE were tracked for 90 days following surgery.