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55th Annual Meeting
SOCIETY FOR SURGERY OF THE ALIMENTARY TRACT
May 2 6, 2014
McCormick Place Chicago, Illinois
during Digestive Disease Week®


Final Program

All rooms at McCormick Place unless otherwise indicated.

<<Saturday | Program and Abstracts Home | Monday>>

Ticketed Session indicates a ticketed session requiring a separate registration and fee.
CME with self-assessment indicates a session offering CME with self-assessment.
Video presentation scheduled during a Plenary Session indicates a video presentation scheduled during a Plenary Session
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only indicates a Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only.
Sunday, May 4, 2014

6:30 AM - 7:45 AM
S104B
Ticketed Session BREAKFAST WITH THE EXPERTS
PARAESOPHAGEAL HERNIA: WHERE WE HAVE BEEN, WHAT WE ARE DOING NOW

Faculty
Sp311 Brant K. Oelschlager, Seattle, WA
Sp309 Jeffrey H. Peters, Cleveland, OH
Sp310 Nathaniel J. Soper, Chicago, IL

7:30 AM - 8:00 AM
S504BCD
OPENING SESSION
Moderator: Robin S. McLeod, Toronto, ON
Welcome and introduction of new members, announcements of awards, reports from the SSAT Foundation, recognition of the Foundation donors, and conferment of the Founders Medal.
8:00 AM - 9:00 AM
S504BCD
PRESIDENTIAL PLENARY A (PLENARY SESSION I)
Moderator: Jeffrey H. Peters, Cleveland, OH
10-minute presentation, 5-minute discussion
231 Reflux Control Is an Important Component of the Management of Barrett's Esophagus: Results from a Retrospective Cohort of 1834 Patients
Craig S. Brown*1,2, Brittany Lapin2, Chi Wang2, Jay Goldstein2, John G. Linn2, Woody Denham2, Stephen P. Haggerty2, Joann Carbray2, Mark Talamonti2, Michael B. Ujiki2
1Biological Sciences Division, University of Chicago Pritzker School of Medicine, Chicago, IL;2Surgery, NorthShore University Health Systems, Evanston, IL
232 Prevalence, Impact and Predictors of Hospital Acquired Conditions After Major Surgical Resection for Cancer: A NSQIP Analysis
Daniela Molena*, Benedetto Mungo, Miloslawa Stem, Anne O. Lidor
Surgery, Johns Hopkins University, Baltimore, MD
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 233 Bariatric Surgery Improves Histological Features of Nonalcoholic Fatty Liver Disease and Liver Fibrosis
Andrew a. Taitano*1, Michael Markow2, Jon E. Finan2, Donald E. Wheeler2, John Paul Gonzalvo1, Michel M. Murr1
1Bariatric Surgery, University of South Florida, Tampa, FL;2Pathology and Cell Biology, University of South Florida, Tampa, FL
234 Morbidity Mortality and Weight Loss Outcomes After Reoperative Bariatric Surgery in the USA
Ranjan Sudan*1, Ninh T. Nguyen2, Matthew M. Hutter3, Stacy a. Brethauer4, Jaime Ponce5, John M. Morton6
1Department of Surgery, Duke University Medical Center, Durham, NC;2Department of Surgery, University of California, Irvine, Irvine, CA;3Department of Surgery, Massachusetts General Hospital, Boston, MA;4Department of Surgery, Cleveland Clinic, Cleveland, OH;5Department of Surgery, Hamilton Medical Center, Dalton, GA;6Department of Surgery, Stanford Medical Center, Palo Alto, CA
9:00 AM - 9:45 AM
S504BCD
PRESIDENTIAL ADDRESS
Introduction
Sp372a Jeffrey H. Peters, Cleveland, OH

Here Comes Generation Y
Sp372b Robin S. McLeod, Toronto, ON

10:15 AM - 11:00 AM
S504BCD
PRESIDENTIAL PLENARY B (PLENARY SESSION II)
Moderator: Robin S. McLeod, Toronto, ON
10-minute presentation, 5-minute discussion
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 367 Persistent Functional Deficits and Symptoms Among Long-Term Survivors of Colorectal Cancer Treated with Surgery and Multimodality Therapy: Differences by Age at Initial Diagnosis
Christina Bailey*, Hop S. Tran Cao, Chung-Yuan Hu, George J. Chang, Barry W. Feig, Miguel Rodriguez-Bigas, Sa Nguyen, John M. Skibber, Y. Nancy You
Surgical Oncology, University of Texas, MD Anderson Cancer, Houston, TX
368 A Multifaceted Knowledge Translation Strategy Can Increase and Sustain Compliance with Guideline Recommendations for Mechanical Bowel Preparation
Cagla Eskicioglu*2, Emily Pearsall1, Darlene Fenech1, Mary-Anne Aarts1, Allan Okrainec1, Robin S. Mcleod1
1Surgery, University of Toronto, Toronto, ON;2Surgery, McMaster University, Hamilton, ON
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 369 Cost-Effectiveness of Total Pancreatectomy with Islet Cell Autotransplantation for the Treatment of Small Duct Chronic Pancreatitis
Gregory C. Wilson*, Daniel E. Abbott, Daniel P. Schauer, Mark H. Eckman, Syed Ahmad
Surgery, University of Cincinnati, Cincinnati, OH
11:00 AM - 11:45 AM
S504BCD
DORIS AND JOHN L. CAMERON GUEST ORATION

Philanthropy: Innovative Strategies for Sustainable Change
Sp425 Marc Kielburger, Toronto, ON

11:00 PM - 11:45 PM
South Hall
Ticketed Session POSTER TOUR A: COLON-RECTAL (non-CME)
Moderators: Imran Hassan, Springfield, IL
Jennifer Holder-Murray, Pittsburgh, PA

Ticketed session with complimentary but limited registration.
12:00 PM - 2:00 PM
South Hall
POSTER SESSION I (non-CME)
Authors available at their posters to answer questions 12 PM - 2 PM; posters on display 8 AM - 5 PM.
2:00 PM - 3:30 PM
S501
CME with self-assessmentCONTROVERSIES IN GI SURGERY A
DEBATE 1: INCISIONAL HERNIA REPAIR: PROSTHETIC vs. BIOLOGICAL MESH
Moderator: Vic Velanovich, Tampa, FL

Frame the Issue
Sp488 Vic Velanovich, Tampa, FL

Prosthetic Mesh Is Superior to Biological Mesh for Incisional Hernia Repair
Sp489 Mary T. Hawn, Cleveland, OH

Biological Mesh Is Superior to Prosthetic Mesh for Incisional Hernia Repair
Sp490 B. Todd Heniford, Charlotte, NC

Panel and Audience Discussion

DEBATE 2: BARIATRIC SURGERY CENTER ACCREDITATION: YES OR NO?
Moderator: Michael G. Sarr, Rochester, MN

Frame the Issue
Sp491 Michael G. Sarr, Rochester, MN

Accredited Bariatric Surgery Centers Do Not Provide Superior Bariatric Care
Sp492 Justin B. Dimick, Ann Arbor, MI

Accredited Bariatric Surgery Centers Provide Superior Bariatric Care
Sp493 John Morton, Stanford, CA

Panel and Audience Discussion

2:00 PM - 3:30 PM
S103
DDW COMBINED CLINICAL SYMPOSIUM
ADVANCES AND CONTROVERSIES IN MANAGMENT OF LOCALLY ADVANCED RENCTAL CANCER
Sponsored by: SSAT, AGA, ASGE
Moderators: Alessandro Fichera, Seattle, WA
Imran Hassan, Springfield, IL
Patrick M. Lynch, Houston, TX

Rectal Cancer Staging: MRI, Endorectal Ultrasound, PET? The Need for a Standardized Approach
Sp470 Charles E. Dye, Hershey, PA

Tailored Approach to Locally Advanced Rectal Cancer Based on Preoperative Imaging
Sp471 John R. Monson, Rochester, NY

Selective Use of Neoadjuvant Radiation Therapy for Locally Advanced Rectal Cancer: Can We Safely Select Patients to Limit Toxicity?
Sp472 Y. Nancy You, Houston, TX

Watchful Waiting After Full Course Preoperative Chemoradiation with Complete Clinical Response: Are We There Yet?
Sp473 Julio Garcia-Aguilar, New York, NY

2:00 PM - 3:30 PM
S504A
PLENARY SESSION III
Moderators: Sean P. Cleary, Toronto, ON
Taylor S. Riall, Galveston, TX

10-minute presentation, 5-minute discussion
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 459 The Value of Drains as a Fistula Mitigation Strategy for Pancreatoduodenectomy: Something for Everyone? Results of a Randomized Prospective Multi-Institutional Study
Matthew T. Mcmillan*1, William E. Fisher2, Jeffrey Drebin1, Stephen W. Behrman3, Mark Bloomston4, Kimberly M. Brown6, Steven J. Hughes10, Katherine a. Morgan9, Vic Velanovich5, Jordan M. Winter7, Nicholas J. Zyromski8, Charles M. Vollmer1
1Surgery, University of Pennsylvania School of Medicine, Philadelphia, PA;2Surgery, Baylor College of Medicine, Houston, TX;3Surgery, University of Tennesse Health Science Center, Memphis, TN;4Surgery, The Ohio State University, Columbus, OH;5Surgery, University of South Florida, Tampa, FL;6Surgery, University of Texas Medical Branch, Galveston, TX;7Surgery, Jefferson Medical College, Philadelphia, PA;8Surgery, Indiana University, Indianapolis, IN;9Surgery, Medical University of South Carolina, Charleston, SC;10Surgery, University of Florida, Gainesville, FL
460 Does Routine Drainage of the Operative Bed Following Elective Distal Pancreatectomy Reduce Complications? An Analysis of the ACS-NSQIP Pancreatectomy Demonstration Project
Stephen W. Behrman*1, Ben Zarzaur1, Abhishek Parmar2, Taylor S. Riall2, Bruce L. Hall3, Henry Pitt4
1Surgery, University of Tennessee Health Science Center, Memphis, TN;2Surgery, University of Texas Medical Branch, Galveston, TX;3Surgery, Washington University School of Medicine, Seattle, WA;4Surgery, Temple University School of Medicine, Philadelphia, PA
Video presentation scheduled during a Plenary Session 461 Laparoscopic Total Pancreatectomy for Main-Duct IPMN
Thomas Schnelldorfer*, David Brams, Frederick Heiss
Lahey Clinic, Burlington, MA
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only462 Timing of Discharge: A Key to Understanding the Reason for Readmission After Colorectal Surgery
Kristin N. Kelly*, James C. Iannuzzi, Christopher T. Aquina, Christian P. Probst, Katia Noyes, John R. Monson, Fergal Fleming
Surgical Health Outcomes and Research Enterprise, Department of Surgery, University of Rochester, Rochester, NY
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 463 Readmissions After Esophageal Resections
Abhishek Sundaram*1, Ananth Srinivasan1, Sarah Baker2, Sumeet K. Mittal1
1Surgery, Creighton University, Omaha, NE;2ICU nursing, Creighton University, Omaha, NE
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 464 Immunoscoring for Prognostic Assessment of Colon Cancer: A Novel Complement to Ultrastaging
Simon Lavotshkin*1, John R. Jalas2, Hitoe Torisu-Itakura1, Junko Ozao-Choy1, Rafay a. Haseeb1, Alexander Stojadinovic3, Zev Wainberg4, Anton Bilchik1
1The John Wayne Cancer Institute, Santa Monica, CA;2Saint John's Health Center, Santa Monica, CA;3Uniformed Services University of Health and Sciences, Bethesda, MD;4UCLA School of Medicine, Santa Monica, CA
2:00 PM - 3:30 PM
S502
VIDEO SESSION I
Moderators: Miguel A. Burch, Los Angeles, CA
Denise W. Gee, Boston, MA

10-minute presentation, 5-minute discussion
465 Robotic Assisted Laparoscopic Total Pelvic Exenteration
Sanjay S. Reddy*1, Radhika K. Smith1, Rosalia Viterbo2, Cynthia a. Bergman3, Eric I. Chang4, Jeffrey M. Farma1
1Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA;2Urologic Oncology, Fox Chase Cancer Center, Philadelphia, PA;3Gynecologic Oncology, Fox Chase Cancer Center, Philadelphia, PA;4Plastic and Reconstructive Surgery, Fox Chase Cancer Center, Philadelphia, PA
466 Laparoscopic Release of Median Arcuate Ligament
Ankit Patel*, Juan Toro, Nathan Lytle, S. Scott Davis, Edward Lin
Dept of Surgery, Emory University, Atlanta, GA
467 Retrieval of the Eroded Gastric Band: A Hybrid Endoscopic and Laparoscopic Approach
Monica Young*, Nojan Toomari, Ninh T. Nguyen
Surgery, University of California Irvine Medical Center, Orange, CA
468 Totally Laparoscopic Right Hepatectomy with Roux-en-Y Hepaticojejunostomy
Marcel C Machado*, Rodrigo C. Surjan, Fabio F. Makdissi, Marcel Autran Machado
Surgery, University of Sao Paulo, Sao Paulo, Brazil
469 Laparoscopic Redo Paraesophageal Hernia Repair with Collis Gastroplasty for Shortened Esophagus
Rachel Jones*, Carl Tadaki, Dmitry Oleynikov
University of Nebraska Medical Center, Omaha, NE
470 Laparoscopic Excision of Leiomyoma of the Stomach and Distal Esophagus
Bernardo Borraez*, Marco E. Allaix, Fernando Herbella, Marco G. Patti
General Surgery, University of Chicago, Chicago, IL
2:00 PM - 4:30 PM
S504BCD
CME with self-assessmentSTATE-OF-THE-ART CONFERENCE
ADVANCES IN THE DIAGNOSIS AND MANAGEMENT OF GASTROESOPHAGEAL REFLUX DISEASE
Moderators: Kyle A. Perry, Columbus, OH
Thai Pham, Dallas, TX

Clinical Application of Multichannel Intralumenal Impedance and High Resolution Manometry for the Evaluation of GERD
Sp497 Stu Spechler, Dallas, TX

Laparoscopic Fundoplication: Procedure Evolution and Current Role
Sp498 John G. Hunter, Portland, OR

Endolumenal GERD Therapies: Current Application and Future Directions
Sp499 W. Scott Melvin, Columbus, OH

Laparoscopic Magnetic Gastroesophageal Junction (GEJ) Reinforcement
Sp500 Jeffrey H. Peters, Cleveland, OH

Assessing Outcomes of GERD Therapy
Sp501 Vic Velanovich, Tampa, FL

Case Presentations and Panel Discussion

4:00 PM - 5:30 PM
S501
INTERNATIONAL RELATIONS COMMITTEE PANEL
RISING STARS IN COLORECTAL SURGERY: HIGHLIGHTS IN LANDMARK PUBLICATIONS IN 2010-2012
Moderators: Jiping Wang, Boston, MA
Alberto Ferreres, Buenos Aires, Argentina
Hiromichi Ito, Lansing, MI
Ernst J.M. Klar, Rostock Germany

A microRNA Panel to Discriminate Carcinomas from High-grade Intraepithelial Neoplasma in Colonoscopy Biopsy Tissue
Sp511 Shuyang Wang, Shanghai, China

Randomized Clinical Trial Comparing Inflammatory and Angiogenic Response After Open Versus Laparoscopic Curative Resection for Colonic Cancer
Sp512 Marta Pascual, Barcelona, Spain

Postoperative Morbidity and Mortality After Mesorectal Excision With and Without Lateral Lymph Node Dissection for Clinical Stage II or Stage III Lower Rectal Cancer (JCOG0212): Results from a Multicentre, Randomised Controlled, Non-Inferiority Trial
Sp513 Shin Fujita, Utsunomiya, Japan

Preoperative Versus Postoperative Chemoradiotherapy for Locally Advanced Rectal Cancer: Results of the German CAO/ARO/AIO-94 Randomized Phase III Trial After a Median Follow-up of 11 Years
Sp514 Süleyman Yedibela, Oldenburg, Germany

4:00 PM - 5:30 PM
S504A
PLENARY SESSION IV
Moderators: John T. Mullen, Boston, MA
Lygia Stewart, San Francisco, CA

10-minute presentation, 5-minute discussion
506 Peri-Operative Patient Reported Outcomes Predict Serious Surgical Complications
Juliane Bingener*1, Jeff Sloan3, Paul Novotny3, Barbara a. Pockaj2, Heidi Nelson4
1Division of General Surgery, Mayo Clinic - Rochester, Rochester, MN;2Surgery, Mayo Clinic, Scottsdale, AZ;3Health Sciences Research, Mayo Clinic, Rochester, MN;4Surgery, Mayo Clinic, Rochester, MN
507 Allogeneic Adipose-Derived Stem Cells for the Treatment of Crohn's Perianal Fistula: A Phase I/IIa Clinical Study
Kyu Joo Park*1, Joo Sung Kim2, Won Ho Kim3, Hyo Jong Kim5, Kil Yeon Lee6, Seung Hyuk Baik4, Tae IL Kim3
1Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea;2Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea;3Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea;4Surgery, Yonsei University College of Medi, Seoul, Republic of Korea;5Internal Medicine, Kyung Hee University College of Medicine, Seoul, Republic of Korea;6Surgery, Kyung Hee University College of Medicine, Seoul, Republic of Korea
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 508 Does the Use of Neoadjuvant Therapy for Pancreatic Adenocarcinoma Increase Postoperative Morbidity and Mortality Rates?
Amanda Cooper*1, Abhishek Parmar2, Bruce L. Hall3, Matthew H. Katz1, Jason B. Fleming1, Thomas Aloia1, Taylor S. Riall2, Henry Pitt4
1Surgical Oncology, MD Anderson, Houston, TX;2Department of Surgery, University of Texas Medical Branch at Galveston, Galveston, TX;3Division of General Surgery, Washington University School of Medicine, St. Louis, MO;4Temple University Health System, Philadelphia, PA
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 509 Surgeon and Facility Volume Play Significant Role in Hernia Recurrence and Reoperation After Open Incisional Hernia Repair
Christopher T. Aquina*1, Fergal Fleming1, Kristin N. Kelly1, Christian P. Probst1, Katia Noyes1, Howard N. Langstein2, John R. Monson1
1Surgical Health Outcomes and Research Enterprise (SHORE), University of Rochester Medical Center, Rochester, NY;2Plastic & Reconstructive Surgery, University of Rochester Medical Center, Rochester, NY
Plenary presentation that is also being presented at the Residents & Fellows Research Conference; participation in and attendance at this conference is by invitation only 510 Nonoperative Management of Symptomatic Cholelithiasis in Pregnancy Is Associated with Frequent Antepartum and Early Postpartum Hospitalizations
April Jorge*1, Andrew J. Gawron1, Annapoorani Veerappan1, Nathaniel J. Soper2, Rajesh N. Keswani1
1Medicine, Northwestern University, Chicago, IL;2Surgery, Northwestern University, Chicago, IL
511 Re-Interventions After Frey Procedure for Chronic Pancreatitis: Does Radicality of Head Coring Influence Outcomes?
Hariharan Ramesh*, Mahesh Subramaniaiyer, Ambady Venugopal, V. Lekha
Lakeshore Hospital & Research Center, Cochin, India
4:00 PM - 5:30 PM
S502
QUICK SHOTS SESSION I
Moderators: Guilherme M.R. Campos, Madison, WI
Edward Lin, Atlanta, GA

3-minute presentation, 3-minute discussion
512 The Effect of MRI in the Surgical Management of Hepatic Lesions After Initial CT Evaluation
Chukwuemeka Obiora*, Perry Shen, Melanie P. Caserta
Surgical Oncology, Wake Forest University Baptist Medical Center, Winston-Salem, NC
513 Prognostic Value of Hepatic Margin Status After Resection of Colorectal Liver Metastases After Preoperative Chemotherapy
Hannes P. Neeff*1, Peter Bronsert2, Ulrich T. Hopt1, Frank Makowiec1
1Dept. of Surgery, University of Freiburg, Freiburg, Germany;2Institute of Pathology, University of Freiburg, Freiburg, Germany
514 The Perioperative Risk of Neoadjuvant Radiotherapy Before Low-Anterior Resection for Rectal Cancer
Neil Bhayani*, Niraj J. Gusani, Tara M. Connelly, Joyce Wong, Evangelos Messaris
Penn State Hershey Medical Center, Hershey, PA
515 Single Institution Experience with Neoadjuvant Treatment of Borderline Resectable Pancreatic Adenocarcinoma: Achieving R0 Resection with Modern Chemotherapy
Nathan Bolton*, William C. Conway, John S. Bolton
General Surgery, Ochsner, New Orleans, LA
516 The Incidence of Pancreatogenic Diabetes After Major Partial Pancreatic Resection May Be Greater Than You Think
Richard a. Burkhart*1, Susan M. Gerber2, Renee Tholey1, Kathleen Lamb1, Anitha Somasundaram2, Caitlin Mcintyre1, Eliza Fradkin2, Annie Ashok2, Robert Felte1, Jaya Mehta2, Ernest L. Rosato1, Harish Lavu1, Serge a. Jabbour2, Charles J. Yeo1, Jordan M. Winter1
1Surgery, Thomas Jefferson University, Philadelphia, PA;2Endocrinology, Thomas Jefferson University, Philadelphia, PA
517 Timing of Surgical Intervention After Percutaneous Catheter Drainage (PCD) in Step Up Approach of Severe Acute Pancreatitis
Sunil D. Shenvi*1, Rajesh Gupta1, Rajinder Singh1, Madhu Khullar2, Mandeep Kang3, Surinder S. Rana4, Deepak K. Bhasin4
1Division of Surgical Gastroenterolgy,Department of General surgery, PGIMER, Chandigarh, India;2Department Of Experimental Medicine, PGIMER, Chandigarh, India;3Department Of Radiodiagnosis, PGIMER, Chandigarh, India;4Department Of Medical Gastroenterolgy, PGIMER, Chandigarh, India
518 Preoperative 18-FDG PET Predicts Survival in Resectable Pancreatic Cancer
Mario Gruppo*1, Valentina Beltrame1, Enrico Dalla Bona1, Sergio Bissoli2, Sergio Pedrazzoli1, Stefano Merigliano1, Cosimo Sperti1
1Department of Surgery, Oncology and Gastroenterology, University Hospital of Padua, Padova, Italy;2Department of Nuclear Medicine, Castelfranco General Hospital, Castelfranco Veneto, Italy
519 Robotic Low Anterior Resection for Rectal Cancer and Short-Term Oncologic Outcomes
Paul J. Speicher*, Brian R. Englum, Asvin M. Ganapathi, Christopher R. Mantyh, John Migaly
Surgery, Duke University Medical Center, Durham, NC
520 Unconjugated But Not Conjugated Bile Acid Reduces Squamous Differentiation in Esophageal Cells Possibly Through Intracellular Mechanisms
Sayak Ghatak*1, Liana Toia2, Eileen Redmond2, Tony E. Godfrey3, Jeffrey H. Peters2
1Biology, University of Rochester, Rochester, NY;2Surgery, University of Rochester Medical Center, Rochester, NY;3Surgery, Boston University, Boston, MA
521 A Normal 24-Hour Catheter Study in a Patient with Symptomatic GERD: Pursue the Diagnosis with a Wireless 48-Hour Capsule
Ashwin a. Kurian*, Katherine D. Freeman, Carrie Morrison, Reginald Bell
SurgOne Foregut Institute, Englewood, CO
522 Mucosal Perforation During Laparoscopic Heller Myotomy Doesn't Influence the Final Outcome of the Treatment
Renato Salvador*1, Mario Costantini1, Cristina Longo1, Francesco Cavallin2, Lisa Zanatta1, Loredana Nicoletti1, Giovanni Capovilla1, Edoardo Savarino1, Francesca Galeazzi1, Giovanni Zaninotto1
1Department of Surgical and Gastroenterological Sciences, University of Padua, Padua, Italy;2Surgical Oncology, Istituto Oncologico Veneto, IOV-IRCCS, Padua, Italy
523 Comparison of Hospital Charges Between Laparoscopic Heller Myotomy and POEM
Ezra N. Teitelbaum*, Nathaniel J. Soper, Peter J. Kahrilas, John E. Pandolfino, Eric S. Hungness
Northwestern University, Chicago, IL
524 Toward Complete Identification of Patients with GERD: 96-Hour Wireless pH Monitoring Increases Reflux Detection Rate
Michelle S. Han*, Michal J. Lada, Andreas Tschoner, Christian G. Peyre, Carolyn E. Jones, Thomas J. Watson, Jeffrey H. Peters
Surgery, University of Rochester Medical Center, Rochester, NY
525 Development of a Prognostic Nomogram for the Need for Surgery After Endoscopic Balloon Dilatation of Ileocolic Anastomotic Stricture for Crohn's Disease
Lei Lian*, Luca Stocchi, Bo Shen, Xiaobo Liu, Feza H. Remzi
Cleveland Clinic, Cleveland, OH



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