Moderators:

Shahin Ayazi, Pittsburgh, PA Alia Qureshi, Portland, OR Fernando Herbella, Sao Paulo, Brazil

75. PYLORIC IMPEDANCE PLANIMETRY DURING ENDOSCOPIC PER-ORAL PYLOROMYOTOMY (POP) GUIDES MYOTOMY EXTENT
Hee Kyung (Jenny) Kim*^3,1, Jamie DeCicco^2,1, Rachna Prasad^4,1, Hemasat Alkhatib^1,3, AJ Haas^1,3, Ali M. Kara^1,3, Clara Kit Nam Lai^1,3, Alejandro Feria^1,3, Sergio Bardaro^1,3, Amelia Dorsey^1,3, Kevin El-Hayek^1,3,4
1Surgery, The MetroHealth System, Cleveland, OH; ²Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH; ³Case Western Reserve University School of Medicine, Cleveland, OH; ⁴Northeast Ohio Medical University, Rootstown, OH

76. 1000 HIATAL HERNIA REPAIRS, BEYOND A DECADE PATH OF A SINGLE SURGICAL TEAM TO IMPROVE OUTCOMES
Shalin Shah¹, Clarissa Hoffman*¹, Joshua Haag¹, Anthony Basta¹, Andre Miller³, Farzaneh Banki^1,2
1The University of Texas Health Science Center at Houston John P and Katherine G McGovern Medical School, Houston, TX; ²Memorial Hermann Southeast Hospital, Houston, TX; ³Memorial Hermann Southeast Hospital, Houston, TX

77. GASTROPEXY ALONE FOR GIANT PARAESOPHAGEAL HERNIA (PEH)?
Gregory T. Kennedy*, Feredun Azari, Nicholas Kelly, Amy Lorenzo, Daniel Dempsey
Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA

78. SALVAGE MINIMALLY INVASIVE TOTAL PHARINGO-ESOPHAGECTOMY, A CASE SERIES OF A MULTIDISCIPLINARY TEAM APPROACH
Andrea Pansa*¹, Alessia Frascarelli^1,2, Rita Alfieri¹, Silvia Basato¹, Salvatore Marano¹, Carlo Castoro^1
1IRCCS Humanitas Research Hospital, Rozzano, Lombardia, Italy; ²Humanitas University, Milan, Italy

79. COMPREHENSIVE REPORT CARD ANALYSIS OF ACHALASIA AFTER MYOTOMY SHOWS SIMILAR OUTCOMES ACROSS SUBTYPES
Archana Jeeji*¹, Ealaf Shemmeri², Peter T. White¹, Adam J. Bograd¹, Alexander S. Farivar¹, Brian E. Louie^1
1Thoracic Surgery, Swedish Medical Center, Seattle, WA; ²Brigham and Women's Hospital, Boston, MA

80. AN ANALYSIS OF THE CORRELATION BETWEEN INTRAOPERATIVE ENDOFLIP DISTENSIBILITY INDEX AND ESOPHAGEAL MANOMETRY LOWER ESOPHAGEAL SPHINCTER BASAL MEAN PRESSURE IN PATIENTS UNDERGOING ANTI-REFLUX SURGERY
Sydney Korsunsky*¹, Stacey L. Tannenbaum¹, Isabella Cook², Megan Rodwell³, Mark Shachner^3
1Broward Health Medical Center, Fort Lauderdale, FL; ²Nova Southeastern University, Fort Lauderdale, FL; ³Broward Health Coral Springs, Coral Springs, FL

81. IMPACT OF ANASTOMOTIC LEAK VS PNEUMONIA ON FAILURE TO RESCUE AFTER TRANSTHORACIC ESOPHAGECTOMY FOR CANCER
Luca Giulini*¹, Melissa Kemeter¹, Lucas Thumfart¹, Oliver Koch², Michael Grechenig², Klaus Emmanuel², wolfgang hitzl², Markus K. Diener¹, Attila Dubecz^1
1Klinikum Nurnberg, Nurnberg, Bayern, Germany; ²Paracelsus Medizinische Privatuniversitat, Salzburg, Salzburg, Austria

82. POST-ESOPHAGECTOMY HIATAL HERNIA FOLLOWING MINIMALLY INVASIVE ESOPHAGECTOMY IN ESOPHAGEAL CANCER PATIENTS
Thitiporn Chobarporn*^1,2, Stephanie G. Wood^2
1Chulalongkorn University, Bangkok, Bangkok, Thailand; ²Oregon Health & Science University, Portland, OR

83. A NON-RANDOMIZED COMPARISON OF FUNDOPLICATION PROCEDURES IN INDIAN POPULATION - ROSETTI NISSEN FUNDOPLICATION HAS THE BEST OUTCOME: A SINGLE CENTER EXPERIENCE FROM A UNIVERSITY TEACHING HOSPITAL
Pawanindra Lal*¹, Atulanand Shirodkar¹, Sri Saran Manivasagam¹, Tusharindra Lal^2
1Surgery, Maulana Azad Medical College, New Delhi, Delhi, India; ²Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Chennai, Tamil Nadu, India

84. THE ROLE OF HEAT-SHOCK PROTEINS IN ESOPHAGEAL CANCER PROGNOSTICATION. A SYSTEMATIC REVIEW AND META-ANALYSIS
Eric T. Nakamura¹, Amanda Park^1,2, Marina A. Pereira¹, Daniel Kikawa¹, Daniel J. Szor^1,3, Francisco Tustumi*^1,3
1Universidade de Sao Paulo Faculdade de Medicina, Sao Paulo, São Paulo, Brazil; ²Centro Universitario Lusiada, Santos, SP, Brazil; ³Sociedade Beneficente Israelita Brasileira Albert Einstein, Sao Paulo, São Paulo, Brazil

85. OBJECTIVE DIAGNOSIS OF GASTRO-ESOPHAGEAL REFLUX DISEASE BY ABBREVIATED PH MONITORING WITH PROVOCATIVE TESTS COMPARED TO PROLONGED CONVENTIONAL PH MONITORING
Rogério Mariotto*¹, Fernando A. Herbella¹, Rafael M. Laurino Neto¹, Marco G. Patti^2
1gastrocirurgia, Universidade Federal de Sao Paulo, Sao Paulo, Brazil; ²University of Virginia, Charlottesville, VA

86. LIMITED VALUE OF THE PITTSBURGH SEVERITY SCORE IN ASSESSING NEED FOR EMERGENCY ESOPHAGECTOMY FOLLOWING BENIGN ESOPHAGEAL PERFORATION
Vladimir Tverskov², Ory Wiesel³, Ran Orgad¹, Hanoch Kashtan¹, Daniel Solomon*^1
1Surgery, Assuta Ashdod Hospital, Ashdod, South, Israel; ²Rabin Medical Center, Petah Tikva, Central, Israel; ³The Baruch Padeh Medical Center Poriya, Tiberias, Northern, Israel

87. INTRAPERITONEAL INFILTRATION OF EXPAREL REDUCES POSTOPERATIVE PAIN AND THE NEED FOR OPIOIDS FOLLOWING LAPAROSCOPIC HIATA HERNIA REPAIR WITH FUNDOPEXY
Anthony Basta*¹, Joshua Haag¹, Clarissa Hoffman¹, Shalin Shah¹, Andre Miller², Farzaneh Banki^1,2
1The University of Texas Health Science Center at Houston John P and Katherine G McGovern Medical School, Houston, TX; ²Memorial Hermann Southeast Hospital, Houston, TX

88. IMPROVEMENTS IN GERD-RELATED QUALITY OF LIFE AFTER PRIMARY ANTIREFLUX SURGERY DECLINE SLIGHTLY IN THE LONG-TERM (72 MONTHS)
Andrés R. Latorre-Rodríguez*^2,3, Mark Shacker¹, Austin Reynolds¹, Sumeet K. Mittal^2,1
1Creighton University School of Medicine Phoenix Health Sciences Campus, Phoenix, AZ; ²Norton Thoracic Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ; ³Universidad del Rosario. Escuela de Medicina y Ciencias de la Salud, Grupo de Investigación Clínica, Bogotá D.C., Colombia

89. POSTOPERATIVE OUTCOMES OF ANTI-REFLUX SURGERY IN LUNG TRANSPLANT RECIPIENTS
William N. Doyle¹, Monica Stevens¹, Michael P. Rogers^1,2, Rahul Mhaskar¹, Kapil Patel^1,3, Samer Ganam*², Christopher DuCoin^1,2, Vic Velanovich^1,2
1University of South Florida Morsani College of Medicine, Tampa, FL; ²Division of Gastrointestinal Surgery, Department of Surgery, Tampa General Hospital, Tampa, FL; ³Division of Pulmonary and Critical Care Medicine, Tampa General Hospital, Tampa, FL

Moderators:

Pierpaolo Sileri, Milan, Italy Michelle Cowan, Seattle, WA Kim C. Lu, Portland, OR

60. ELEVATED RED CELL DISTRIBUTION WIDTH TO PLATELET RATIO IS ASSOCIATED WITH LOW GRADE DYSPLASIA IN IBD
Olivia Ziegler*, Elizabeth Olecki, McKell Quattrone, Patricio B. Lynn, Audrey S. Kulaylat, Jeffrey S. Scow, Michael J. Deutsch
Penn State Health Department of Surgery, Hershey, PA

61. TREATMENT OF STAGE IV EARLY-ONSET COLORECTAL CANCER: A COMPARATIVE ANALYSIS
Faris S. Almadi*, Jacob G. Mansell, Mikhael Belkovsky, Imran Khan, Emre Gorgun, Joshua Sommovilla, Michael Valente, David Liska
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

62. RANDOMIZED CONTROLLED TRIAL ON ORAL ADMINISTRATION OF LACTOBACILLUS CASEI DG FOR 8 WEEKS AFTER ILEOSTOMY CLOSURE (MICROBIOTA AND IMMUNE (MICROENVIRONMENT IN POUCHITIS.-MEP1- NCT03136419)
Imerio Angriman*¹, Melania Scarpa², Edoardo V. Savarino¹, Ilaria Patuzzi³, Alessandra Rigo¹, Andromachi Kotsafti², Astghik Stepanyan¹, Elisa Sciuto¹, Francesco Celotto¹, Silvia Negro¹, Antonino Caruso⁴, Romeo Bardini¹, Salvatore Pucciarelli¹, Brigida Barberio¹, Gaya Spolverato¹, Fabiana Zingone¹, Renata D'Incà¹, Ignazio Castagliuolo¹, Marco Scarpa^1
1Chirurgia Generale ³, Azienda Ospedale Universita Padova, Padova, Veneto, Italy; ²Istituto Oncologico Veneto Istituto di Ricovero e Cura a Carattere Scientifico, Padova, Veneto, Italy; ³EuBiome, Padova, Not required for this country, Italy; ⁴Azienda ULSS n ² Marca Trevigiana, Treviso, Veneto, Italy

63. IMPACT OF END-ILEOSTOMY VERSUS ILEAL POUCH-ANAL ANASTOMOSIS ON GRAFT-SURVIVAL FOLLOWING LIVER TRANSPLANTATION FOR PRIMARY SCLEROSING CHOLANGITIS
Lukas Schabl*^1,2, Marianna Maspero¹, Stefan D. Holubar¹, Tracy L. Hull^1
1Department of Colorectal Surgery, Cleveland Clinic, Cleveland, OH; ²Universityhospital Salzburg, Department of General, Visceral and Thoracic Surgery, Salzburg, Salzburg, Austria

64. IMPACT OF TIME TO SURGERY ON OUTCOMES FOLLOWING LOW ANTERIOR RESECTION FOR RECTAL CANCER
Natalie Ceballos*¹, Chelsea L. Spector¹, Margaret Savage^1,2, Shenae Samuels¹, Christopher J. Gannon¹, Omar H. Llaguna^1
1Memorial Healthcare System, Hollywood, FL; ²Nova Southeastern University, Fort Lauderdale, FL

65. TRENDS IN COST SHARING AND CANCER TREATMENT MODALITY UTILIZATION AMONG COMMERCIALLY INSURED PATIENTS WITH GASTROINTESTINAL CANCER
Erryk Katayama^1,2, Selamawit Woldesenbet¹, Diamantis Tsilimigras¹, Muhammad Muntazir M. Khan¹, Yutaka Endo¹, Muhammad Muntazir Mehdi Khan¹, Timothy M. Pawlik*^1
1Surgery, The Ohio State Wexner Medical Center, Columbus, OH; ²The Ohio State University College of Medicine, Columbus, OH

66. RCMIX MODEL BASED ON PRE-NEOADJUVANT THERAPY T2WI IMAGING CAN PREDICT THE T-STAGE DOWNSTAGING IN MRI-CT4 STAGE RECTAL CANCER PATIENTS
Feiyu Bai, Zhangjie Wang, Xiao-Jian Wu, Zerong Cai*
Sun Yat-sen University Sixth Affiliated Hospital, Guangzhou, Guangdong, China

67. MESENTERIC LENGTHENING TECHNIQUES FOR ILEOANAL POUCH CONSTRUCTION: WHAT TO DO WHEN THE POUCH WON'T REACH
Megan Obi*, John Mcmichael, Jie Dai, Emre Gorgun, Tracy L. Hull, Arielle E. Kanters, Hermann Kessler, Olga Lavryk, Jeremy M. Lipman, Michael Valente, Scott Steele, Stefan D. Holubar
General Surgery, Cleveland Clinic, Cleveland, OH

68. IMMUNOREACT 13: IMMUNE SURVEILLANCE MARKERS IN THE CLINICAL MANAGEMENT OF STAGE II RECTAL CANCER
Giorgio Rivella*¹, Melania Scarpa², Valerio Pellegrini¹, Andromachi Kotsafti², Ignazio Castagliuolo¹, Astghik Stepanyan¹, Imerio Angriman¹, Ottavia De Simoni², Silvia Negro¹, Gianluca Businello³, Cesare Ruffolo¹, Roberta Salmaso¹, Boris Franzato², Pierluigi Pilati², Antonio Scapinello², Francesca Bergamo², Anna Pozza⁴, Tommaso Stecca⁴, Marco Massani⁴, Ivana Cataldo⁴, Stefano Brignola⁴, Carlotta Ceccon¹, Chiara Vignotto¹, Marco Agostini¹, Giulia Becherucci⁵, Maurizio Zizzo⁵, Giovanni Bordignon⁶, Roberto Merenda⁶, Giovanni Pirozzolo⁶, Alfonso Recordare⁶, Giulia Pozza¹, Isabella Mondi⁶, Daunia Verdi⁶, Licia Laurino⁶, Corrado Da Lio⁶, Luca Saadeh¹, Silvio Guerriero⁷, Alessandra Piccioli⁷, Giuseppe Portale⁸, Giulia Noaro⁸, Laura Gavagna⁹, Monica Ortenzi¹⁰, Andrea Porzionato¹, Francesco Cavallin¹¹, Barbara Di Camillo¹², Gaia Tussardi¹, Salvatore Pucciarelli¹, Gaya Spolverato¹, Matteo Fassan^1,4,2, Marco Scarpa^1
1Chirurgia Generale ³, Azienda Ospedale Universita Padova, Padova, Veneto, Italy; ²Istituto Oncologico Veneto Istituto di Ricovero e Cura a Carattere Scientifico, Padova, Veneto, Italy; ³Azienda ULSS ⁵ Polesana, Rovigo, Veneto, Italy; ⁴Azienda ULSS n ² Marca Trevigiana, Treviso, Veneto, Italy; ⁵Azienda ULSS n ¹ Dolomiti, Belluno, Veneto, Italy; ⁶Azienda ULSS ³ Serenissima, Venezia, Veneto, Italy; ⁷Ospedale Fermo, Fermo, Italy; ⁸Azienda ULSS ⁶ Euganea, Padova, Veneto, Italy; ⁹Azienda ULSS n ¹ Dolomiti, Belluno, Veneto, Italy; ¹⁰Azienda Sanitaria Territoriale Ancona, Ancona, Italy; ¹¹Independent statistician, Solagna, Italy; ¹²Universita degli Studi di Padova, Padova, Veneto, Italy

69. PERINEAL CROHN'S DISEASE RECURRENCE IS COMMON AFTER PROCTECTOMY FOR CROHN'S DISEASE - A MULTICENTRE STUDY
Ayman Khan*, Imran Khan, Thomas Ward, Benjamin L. Cohen, Michael Valente, Stefan D. Holubar
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

70. DOES MESORECTAL FASCIA INVOLVEMENT (MRF) AFFECT THE RESPONSE TO TNT IN LOCALLY ADVANCED RECTAL CANCERS?
Kamil Erozkan*, Doua Elamin, Enes Tasci, David Liska, Michael Valente, Ali Alipouriani, Lukas Schabl, Olga Lavryk, Brogan Catalano, Jacob Miller, Andrei Purysko, Scott Steele, Emre Gorgun
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

71. ONCOLOGIC OUTCOMES AFTER POUCH EXCISION: IS THERE A DIFFERENCE BETWEEN IBD AND FAP POUCH NEOPLASIA?
Megan Obi*, Mikhael Belkovsky, Sarah Choi, Jie Dai, Tracy L. Hull, Olga Lavryk, Jeremy M. Lipman, David Liska, Joshua Sommovilla, Benjamin L. Cohen, Taha Qazi, Emre Gorgun, Scott Steele, Stefan D. Holubar
General Surgery, Cleveland Clinic, Cleveland, OH

72. IS THERE A ROLE FOR TOTAL NEOADJUVANT TREATMENT IN EARLY-STAGE RECTAL CANCER
Kamil Erozkan*, Jacob Miller, Lukas Schabl, Ali Alipouriani, David Liska, Hermann Kessler, Scott Steele, Emre Gorgun
Cleveland Clinic, Cleveland, OH

73. METASTASECTOMY FOR STAGE IV COLORECTAL CANCER IS ASSOCIATED WITH IMPROVED SURVIVAL - BUT NOT ALL PATIENTS HAVE ACCESS TO IT
Naveen Manisundaram*^1,2, Chung-Yuan Hu², Joshua Herb², Hop S. Tran Cao², Brian K. Bednarski², Rebecca A. Snyder², George J. Chang^2
1Department of Surgery, Baylor College of Medicine, Houston, TX; ²The University of Texas MD Anderson Cancer Center, Houston, TX

74. UNRAVELING THE CELLULAR MECHANISMS OF INTESTINAL ANASTOMOTIC HEALING: THE ROLE OF THE SEROSA
Marie-Christin Weber*, Annalisa Buck, Zoé Clees, Philipp-Alexander Neumann, Helmut Friess
Technical University of Munich, TUM School of Medicine, Department of Surgery, Munich, Germany

Moderators:

Emre Gorgun, Cleveland, OH Andreas Kaiser, Duarte, CA Toufic Kachaamy, Chicago, IL Uzma Siddiqui, Phoenix, AZ

Sp28
MALIGNANT POLYPS: LESION CHARACTERISTICS
Roberta Maselli
Humanitas University, Milan, Italy

Sp29
EMR
Michael Burke
Stamford Hospital, Stamford, CT

Sp30
ESD
Amyn Haji
King's College Hospital, London, United Kingdom

Sp31
SURGICAL OPTIONS TAMIS AND TMO
Andreas Kaiser
City of Hope, Duarte, CA
Sp32
PANEL DISCUSSION WITH CASES

Moderators:

Daniel Jose Szor, Sao Paulo, Brazil Matthew Kroh, Cleveland, OH Karen Gibbs, New Haven, CT

138. SIMULTANEOUS ROUX-EN-Y GASTRIC BYPASS AND CHOLECYSTECTOMY NATIONWIDE OUTCOMES
Paul T. Kröner*², Christopher C. Thompson^1
1Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, MA; ²Mayo Clinic in Florida, Jacksonville, FL

139. IMPACT OF PRIOR BARIATRIC SURGERY ON LABOR AND DELIVERY-RELATED OUTCOMES
Bhanu Siva Mohan Pinnam*¹, Shahroz Fatima², Violeta Popov^2
1Internal Medicine, John H Stroger Jr Hospital of Cook County, Chicago, IL; ²NYU Langone Health, New York, NY

140. A NEGATIVE IMPACT OF SLEEVE GASTRECTOMY AND A POSITIVE IMPACT OF GASTRIC BYPASS ON ESOPHAGEAL ACID EXPOSURE, ESOPHAGEAL MOTILITY, AND ENDOSCOPIC FINDINGS: A SYSTEMATIC REVIEW AND META-ANALYSIS
Dirceu F. Valentini Jr², Guilherme S. Mazzini*¹, Gabriel L. da Silva², Arthur B. Simões², Vitória S. Gazzi², Julia B. O. Alves², Vinicius J. Campos³, Richard R. Gurski^2,3
1Virginia Commonwealth University, Richmond, VA; ²Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; ³Hospital de Clinicas de Porto Alegre, Porto Alegre, RS, Brazil

141. DIABETES SEVERITY SCORES PREDICT LONG-TERM DIABETES REMISSION AFTER METABOLIC AND BARIATRIC SURGERIES
Wissam Ghusn*, Karl Hage, Robert A. Vierkant, Khushboo Gala, Andrew C. Storm, Barham K. Abu Dayyeh, Andres Acosta, Omar M. Ghanem
Mayo Foundation for Medical Education and Research, Rochester, MN

142. EVALUATION OF PROPHYLACTIC ENDOLUMINAL VACUUM THERAPY IN STOMACH: AN EXPERIMENTAL ANIMAL MODEL STUDY
Francisco Tustumi*, Flávio Henrique F. Galvão, Eric T. Nakamura, Marina A. Pereira, Leonardo Cardili, Sandra N. Sampietre, Cinthia Lanchotte, Rubens A. Sallum, Venancio Avancini Ferreira Alves, Ulysses Ribeiro
Universidade de Sao Paulo Faculdade de Medicina, Sao Paulo, São Paulo, Brazil

143. PREDICTORS OF POSTOPERATIVE BLEEDING AFTER ROBOTIC AND LAPAROSCOPIC BARIATRIC SURGERY
Alba Zevallos*¹, Jorge Cornejo¹, Joaquin Sarmiento¹, Christina Li¹, Gina Adrales², Michael Schweitzer², Raul Sebastian^2,1
1General Surgery, Northwest Hospital, Randallstown, MD; ²Johns Hopkins Medicine, Baltimore, MD

144. WHAT IS THE APPROPIATE ENDOSCOPIC SURVEILLENCE FOR POST-GASTRIC BYPASS MARGINAL ULCERATION?
Alison Zhao*, Heesoo Yoo, Alvin Kwon, Varun Aitharaju, Kristelle J. Imperio-Lagabon, Bailey Flora, Roma Patel, Stephen A. Firkins, Rehan Haidry, Roberto Simons-Linares
Gastroenterology, Cleveland Clinic, Cleveland, OH

145. WHAT ARE THE OUTCOMES OF COMBINING ENDOSCOPIC REVISION OF PRIOR BARIATRIC SURGERY WITH NEWER ANTI-OBESITY MEDICATIONS?
Jeffrey Shu*, Stephen A. Firkins, Roma Patel, Heesoo Yoo, Bailey Flora, Rehan Haidry, Roberto Simons-Linares
Gastroenterology, Cleveland Clinic, Cleveland, OH

146. PREDICTABILITY OF MAGNETIC SPHINCTER AUGMENTATION DEVICE EXPLANTATION: A NOMOGRAM-BASED SCORING TOOL FROM AN EXPERIENCED QUATERNARY CENTER
Lucas Fair*¹, Marc Ward¹, Charles C. Rubarth², Gerald Ogola¹, Bola Aladegbami¹, Steven G. Leeds^1
1Surgery, Baylor University Medical Center at Dallas, Dallas, TX; ²Baylor Scott & White Research Institute, Dallas, TX

147. OPEN-CAPSULE PROTON PUMP INHIBITOR IS ASSOCIATED WITH FEWER COMPLICATIONS OF MARGINAL ULCERATION AFTER ROUX-EN-Y GASTRIC BYPASS
Heesoo Yoo*, Alvin Kwon, Alison Zhao, Varun Aitharaju, Kristelle J. Imperio-Lagabon, Stephen A. Firkins, Roma Patel, Bailey Flora, Roberto Simons-Linares
Gastroenterology, Cleveland Clinic, Cleveland, OH

148. COST-EFFECTIVENESS ANALYSIS OF BARIATRIC SURGERY AMONG INDIVIDUALS WITH OBESITY(BMI ? 35 KG/M2): A MATCHED COHORT STUDY
S. Julie-Ann Lloyd*¹, Elizabeth Wall-Wieler², Yuki Liu², Feibi Zheng^1,2, Teresa L. LaMasters^3,4
1Baylor College of Medicine, Houston, TX; ²Global Health Economics and Outcomes Research Inc, Sunnyvale, CA; ³University of Iowa Hospitals and Clinics, Iowa City, IA; ⁴UnityPoint Health, Des Moines, IA

149. REAL-WORLD WEIGHT LOSS OUTCOMES OF SEMAGLUTIDE: COMPARATIVE ANALYSIS AMONG PATIENTS WITH AND WITHOUT METABOLIC/BARIATRIC SURGERY
Pourya Medhati*¹, Ali Tavakkoli^2
1Brigham and Women's Hospital, Boston, MA; ²Brigham and Women's Hospital, Boston, MA

150. ENDOSCOPIC SUBMUCOSAL DISSECTION VS APC FOR TISSUE PREPARATION IN GASTRO-GASTRIC FISTULA CLOSURE DEMONSTRATES IMPROVED PATIENT OUTCOMES
Thomas J. Mathews*², Pichamol Jirapinyo¹, Christopher C. Thompson^1
1Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, MA; ²University of Missouri-Kansas City, Kansas City, MO

151. ASSOCIATION BETWEEN BASELINE HEMOGLOBIN A1C AND 30-DAY OUTCOMES AFTER SLEEVE GASTRECTOMY AND ROUX-EN-Y GASTRIC BYPASS
Safraz Hamid*^1,2, Elena Graetz¹, Eric B. Schneider¹, Karen E. Gibbs^1
1Yale School of Medicine, New Haven, CT; ²National Clinician Scholars Program at Yale University, New Haven, CT

152. LAPAROSCOPIC ROUX-EN-Y GASTRIC BYPASS WITH AND WITHOUT GASTRIC RING AND WEIGHT- PROSPECTIVE COHORT STUDY
Rodrigo Moisés de Almeida Leite*¹, Ana Carolina Andrade Canut², Daniela G. Fernandes³, Bruno Zilberstein^2,3
1Colon And Rectal Surgery, Massachusetts General Hospital, Boston, MA; ²Faculdade Sao Leopoldo Mandic, Campinas, São Paulo, Brazil; ³Gastromed, Sao Paulo, SP, Brazil

Moderators:

Terrah Paul Olson, Atlanta, GA Celia Ledet, Houston, TX Cesare Ruffolo, Padova, Italy

129. DISEASE RESPONSE AND SCLEROTIC LOSS OF DOMAIN AFTER 8 PIPAC (PRESSURIZED INTRA-PERITONEAL AEROSOL CHEMOTHERAPY) TREATMENTS: A CASE REPORT
Katherine Portelli¹, Neil Mitra*¹, Pablo Palacios¹, Danielle K. DePeralta², Thanh Dellinger³, Mustafa Raoof³, Amit Merchea⁴, Richard L. Whelan^1
1Surgery, Lenox Hill Hospital/ Northwell Health, New York, NY; ²Long Island Jewish Medical Center, New Hyde Park, NY; ³City of Hope Inc, Duarte, CA; ⁴Mayo Clinic in Florida, Jacksonville, FL

130. FLUORESCENCE GUIDED ROBOTIC ASSISTED RETROPERITONEAL SARCOMA RESECTION
Linhai Cheng, Jun Xiao, Frances Y. Hu, Jiping Wang*
Brigham and Women's Hospital and Harvard Medical School, Boston, MA

131. ROBOTIC-ASSISTED MORGAGNI HERNIA REPAIR WITH THORACOTOMY CONVERSION
Andrew Ehrsam*², Crystal Zhang¹, Katrina Thede¹, Alexis Smith¹, Paul Pzotek¹, Nakul Valsangkar^1,2
1Ascension St Vincent, Indianapolis, IN; ²Marian University College of Osteopathic Medicine, Indianapolis, IN

132. SHORT- AND LONG-TERM OUTCOMES FOLLOWING BIOLOGIC USE BEFORE NON-CONVENTIONAL STRICUREPLASTY FOR CROHN'S JEJUNOILEITIS
Mikhael Belkovsky*, Lukas Schabl, Benjamin L. Cohen, Joshua Sommovilla, Tracy L. Hull, Stefan D. Holubar
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

133. VALUE ASSESSMENT FOR HERNIA REPAIRS PROGRAM AT AN ACADEMIC HEALTH NETWORK SYSTEM OVER 12 YEARS
Michael Abdelmasseh*, Araceli D. Cuaranta, Errington C. Thompson, Robert Finley, Carol Faris, Barbara Payne, Alexei Gorka, Jonathan Willis, Vineela Kadiyala, Juan Sanabria
Marshall University Joan C Edwards School of Medicine, Huntington, WV

134. ANALGESIC EFFICACY OF ERECTOR SPINAE PLANE BLOCK IN LAPAROSCOPIC ABDOMINAL SURGERIES: A SYSTEMIC REVIEW AND META-ANALYSIS
Gabrielle Eloise Koh*, Crystal Sia¹, Sheila Wee², Angie Phui Sze Au Yong³, sui an lie³, Winson Tan¹, Fung Joon Foo¹, Juinn Huar Kam¹, Daniel Lee², Frederick H. Koh^1
1Sengkang General Hospital, Singapore, Singapore; ²Khoo Teck Puat Hospital, Singapore, Singapore; ³Singapore General Hospital, Singapore, Singapore

135. A COMPARATIVE ANALYSIS OF OUTCOMES IN PATINETS WITH SMALL BOWEL OBSTRUCTION (SBO): ASSESSING THE IMPACT OF GASTROGRAFIN (GG) ADMINISTRATION
Fady Botros*, Theofano Zoumpou, Bao-Ngoc Nasri
Rutgers New Jersey Medical School, Newark, NJ

136. IMPACT OF PRE-TRANSPLANT MALIGNANCY ON INTESTINAL TRANSPLANT OUTCOMES: AN ANALYSIS OF THE UNITED NETWORK FOR ORGAN SHARING DATABASE
Sarpong Boateng*^1,2, Prince A. Ameyaw^1,2, Eugene Annor³, Kymberly D. Watt⁴, Bubu A. Banini^2
1Internal Medicine, Yale New Haven Health System, New Haven, CT; ²Yale School of Medicine, New Haven, CT; ³University of Illinois Hospital & Health Sciences System, Chicago, IL; ⁴Mayo Clinic Minnesota, Rochester, MN

137. THE ROLE OF APPENDICECTOMY ON THE CLINICAL COURSE OF ULCERATIVE COLITIS : A RETROSPECTIVE STUDY
Michael F. Hayes*, Melissa Haines, Jim Brooker, James Fulforth, Frank Weilert, Dara de Las Heras, Graeme Dickson
Gastroenterology, Te Whatu Ora Health New Zealand Waikato, Hamilton, New Zealand

Moderators:

Ziad Awad, Jacksonville, FL Sarah Samreen, League City, TX Anthony Vine, New York, NY

209. VESTIBULE-ENTERAL ANASTOMOSIS: A NOVEL SURGICAL TECHNIQUE FOR ESOPHAGEAL RECONSTRUCTION
Luis A. Hernández-Flores, Rubén Cortés-González*, Valeria Ventosa-Camacho, Carolina Moreno-Licea, Andrea Escamilla-López
Surgical oncology, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Ciudad de Mexico, Ciudad de México, Mexico

210. MINIMALLY-INVASIVE ENDOSCOPIC MANAGEMENT TECHNIQUES OF DIFFERENT ESOPHAGEAL DIVERTICULA
Ahmad a. Madkour*², Hassan Atalla¹, Amr El Fouly², Osama Elnahas², Hiwa A. Hussein³, Heero I. Faraj^3
1Internal Medicine, Mansoura University Faculty of Medicine, Mansoura, Egypt; ²Helwan University Faculty of Medicine, Cairo, Cairo, Egypt; ³University of Sulaimani, Sulaimani, Kurdish Region of Iraq, Iraq

211. REMEDIATION OF COMPLICATION OF MESH HIATOPLASTY
Mohammad Alomari*, Courtland Polley, Mathew Thomas, Enrique F. Elli, Steven Bowers
General surgery, Mayo Clinic, Jacksonville, FL

212. Z POEM (PER ORAL ENDOSCOPIC MYOTOMY) FOR ZENKER'S DIVERTICULUM
Shaimaa Elkholy*, Karim Essam, Hany Haggag, Abeer A. Abdellatef, Kerolis Yousef, Ahmed B. Elsouty, Mohamed Nabil Alkady, Mohamed El-Sherbiny
Cairo University Kasr Alainy Faculty of Medicine, Cairo, Egypt

213. LAPAROSCOPIC HIATAL HERNIA REPAIR WITH THE REFLUXSTOP PROCEDURE
Joerg Zehetner*, Ioannis Linas, Yannick Fringeli
Surgery, Clinic Beau-Site Berne, Bern, Switzerland

214. OBSTACLES DURING ENDOSCOPIC RESECTION OF A GIANT FIBROVASCULAR POLYP (GFVP) ORIGINATING FROM PROXIMAL ESOPHAGUS
Ahmad a. Madkour¹, Amr Abdelazem¹, Osama Elnahas¹, Dalia Abd El-Kareem², Adham Haggag³, Kirollus Abdallah¹, Amr El Fouly*^1
1Hepatology and Gastroenterology, Helwan University, Helwan, Cairo, Egypt; ²Cairo University Kasr Alainy Faculty of Medicine, Cairo, Egypt; ³Ain Shams University Faculty of Medicine, Cairo, Egypt

215. REOPERATIVE LAPAROSCOPIC HELLER MYOTOMY AND DOR FUNDOPLICATION IN A PATIENT WITH ADVANCED ACHALASIA, FULMINANT ESOPHAGEAL CANDIDIASIS, AND UNUSUAL INTRAOPERATIVE LEAK
Sylvestre Pineau*², Farzaneh Banki^1,3
1The University of Texas Health Science Center at Houston John P and Katherine G McGovern Medical School, Houston, TX; ²The University of Texas Health Science Center at Houston John P and Katherine G McGovern Medical School, Houston, TX; ³Memorial Hermann Southeast Hospital, Houston, TX

216. THORACOLAPAROSCOPIC ESOPHAGECTOMY IN PRONE POSITION - VIDEO PRESENTATION
Harjeet Singh*
surgical gastroenterlogy division of department of general surgery, PGIMER Chandigarh, Chandigarh, Chandigarh, India

217. ROBOTIC-ASSISTED LAPAROSCOPIC GIANT PARA-HIATAL HERNIA REPAIR
Shubha Vasisht*, Victoria M. Gershuni
Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA

218. SALVAGE ROBOTIC ESOPHAGECTOMY: TIPS AND TRICKS
Flavio R. Takeda*, Rubens A. Sallum, Ulysses Ribeiro, Ivan Cecconello
Department of Gastroenterology, Digestive Surgery Division, University of Sao Paulo School of Medicine, Sao Paulo, Brazil

Moderators:

Sergio Bardaro, Cleveland, OH Alex Escalona, Santiago, Chile Shaneeta Johnson, Riverdale, GA

Sp286
INTRODUCTION OF MULTIMODAL TREATMENT
Konstantinos Spaniolas
Surgery, Stony Brook University, Stony Brook, NY

Sp287
MEDICAL TREATMENT OF OBESITY
Rickesha Wilson
Cleveland Clinic, Cleveland, OH

Sp288
ENDOSCOPY
Christopher C. Thompson
Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, MA

Sp289
PRIMARY BARIATRIC SURGERY
Karen E. Gibbs
Surgery, Yale New Haven Health System, New Haven, CT

Sp290
REVISIONAL SURGERY
Dimitrios Stefanidis
Surgery, Carolinas Healthcare System, Charlotte, NC

Moderators:

Pierpaolo Sileri, Milan, Italy Alia Qureshi, Portland, OR Sergio Bardaro, Cleveland, OH

288. MAGGI: LAPAROSCOPIC/ENDOSCOPIC MAGNETIC SIDE-TO-SIDE GASTRO-ILEOSTOMY
Michel Gagner*, Lamees Almutlaq
Westmount Square Surgical Center, Westmount, QC, Canada

289. ROBOTIC AND ENDOSCOPIC ASSISTED GASTROGASTROSTOMY FOR THE TREATMENT OF LEAK AND STENOSIS AFTER SLEEVE GASTRECTOMY
Rebecca C. Dirks*1, Young Mee Choi3, Elizabeth Bruenderman2, Ranjan Sudan1
1Minimally Invasive and Bariatric Surgery, Duke University School of Medicine, Durham, NC; 2University of Louisville Hospital, Louisville, KY; 3West Virginia University School of Medicine, Morgantown, WV

290. LAPAROSCOPIC ESOPHAGOGASTROSTOMY AS A SALVAGE OPERATION AFTER FAILED MYOTOMY IN END-STAGE ACHALASIA
Antoine Ribieras*, Oluwatumininu Akintonwa, Sunil Amin, Morgan Shane, Jose M. Martinez, Alan S. Livingstone, Danny Sleeman, Onur C. Kutlu
Surgery, University of Miami Miller School of Medicine, Miami, FL

291. ROBOTIC GASTRECTOMY AFTER RYGB
Rodrigo Moisés de Almeida Leite*1, Leandro C. Barchi2, Danilo D. Marchi2,3, Bruno Zilberstein3,2
1Colon And Rectal Surgery, Massachusetts General Hospital, Boston, MA; 2gastromed, Sao Paulo, SP, Brazil; 3Faculdade Sao Leopoldo Mandic, Campinas, São Paulo, Brazil

292. LAPAROSCOPIC MODIFIED HILL-BARKER VAGOTOMY WITH GASTROJEJUNOSTOMY FOR PARTIAL GASTRIC OUTLET OBSTRUCTION
Vivek K. Singh*, Shubha Vasisht, John C. McVey, Amy Lorenzo, Daniel Dempsey, Daniel A. Hashimoto
Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA

293. DOUBLE PYLOROMYOTOMY IN G-POEM (GASTRIC PER ORAL ENDOSCOPIC MYOTOMY) IN TREATING REFRACTORY GASTROPARESIS
Shaimaa Elkholy, Karim Essam, Hany Haggag, Abeer A. Abdellatef, Kerolis Yousef, Ahmed B. Elsouty, Mohamed El-Sherbiny*
Cairo University Kasr Alainy Faculty of Medicine, Cairo, Egypt

294. CIRCLING THE ENEMY: RECURRENT MEDIAN ARCUATE LIGAMENT SYNDROME WITH INFRAPANCREATIC CELIAC TRUNK
Clara Kit Nam Lai*, AJ Haas, Ramiro Cadena Semanate, Alejandro Feria, Jamie DeCicco, Amelia Dorsey, Sergio Bardaro, Kevin El-Hayek
General Surgery, MetroHealth Medical Center, Cleveland, OH

295. ROBOTIC DISTAL GASTRECTOMY WITH D2 LYMPHADENECTOMY
Ali Ahmad*, Mark G. Hall
Surgical Oncology, University of Kansas School of Medicine Wichita, Wichita, KS

296. COMPLEX LAPAROSCOPIC HIATAL HERNIA REPAIR AFTER SLEEVE GASTRECTOMY
Alejandro Feria*, AJ Haas, Ramiro Cadena Semanate, Clara Kit Nam Lai, Amelia Dorsey, Kevin El-Hayek, Sergio Bardaro
Surgery, MetroHealth Medical Center, Cleveland, OH

297. LAPAROSCOPIC SUBTOTAL GASTRECTOMY WITH D2 LYMPHADENECTOMY FOR CARCINOMA STOMACH
Raj Kumar Nagarajan*, Gnaneshvar Manivannan
Surgery, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, Tamil Nadu, India

Moderators:

Andreas Kaiser, Duarte, CA Daniel Herzig, Portland, OR Jamie Murphy, London, UK

276. EXTERNAL DYNAMIC TRACTION FOR ENDOLUMINAL RESECTION OF AN ASCENDING COLON LESION
Attila Ulkucu*, Mariano Laporte, Kamil Erozkan, Emre Gorgun
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

277. ROBOTIC TRANSANAL MINIMALLY INVASIVE SURGERY (TAMIS) FOR RECTAL ADENOCARCINOMA
Sergio Eduardo Alonso Araujo, Francisco Tustumi*, Elis Oliveira, Giovana M. Minchillo, Ana S. Portilho, Lucas de Araujo Horcel, Lucas S. Gerbasi, Rafael Vaz Pandini, Marleny N. Figueiredo, Victor Edmond Seid
Sociedade Beneficente Israelita Brasileira Albert Einstein, Sao Paulo, São Paulo, Brazil

278. LAPAROSCOPIC PELVIC ORGAN PROLAPSE SURGERY (POPS): A VIDEO TECHNIQUE
Andrea Balla², Alice Frontali², Mariagiulia Giugliano², Claudio Missaglia², Andrea Vignali^2,1, Pierpaolo Sileri*^2,1
1Surgery, Universita Vita Salute San Raffaele, Milan, Milan, Italy; ²IRCCS San Raffaele Scientific Institute, Milan, Italy

279. EXTERNALLY INTRODUCED GRASPING DEVICE FOR TRACTION IN DISTAL COLORECTAL LESIONS DURING ENDOSCOPIC SUBMUCOSAL DISSECTION
Brogan Catalano*, Kamil Erozkan, Enes Tasci, Emre Gorgun
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

280. ROBOTIC PERINEAL HERNIA REPAIR FOLLOWING ABDOMINAL PERINEAL RESECTION
Alexis L. Woods*, Rebeka Dejenie, Miquell O. Miller, Erik Noren, Robert Kucejko, Sean Flynn, Ankit Sarin
University of California Davis, Sacramento, CA

281. ENDOLUMINAL SURGERY WITH DIFFERENT TECHNIQUES AND VARIATIONS IN THREE DISTINCT COLON LOCATIONS- A VIDEO VIGNETTE
Ekin Inal, Metincan Erkaya, Brogan Catalano*, Daniel E. Roberts, Emre Gorgun
Cleveland Clinic, Cleveland, OH

282. SUTURE LINKED 4 TACK WOUND CLOSURE SYSTEM: INSERTION TIPS AND PITFALLS
Neil Mitra*², Pablo Palacios², Hmc Shantha Kumara², Yanni Hedjar¹, Katherine Carsky², Alya Riaz², Jeffrey Nussbaum², Richard L. Whelan^2
1Brookdale University Hospital and Medical Center, New York, NY; ²Lenox Hill Hospital, New York, NY

283. ONE STEP CLOSER TO A FULLY FLEXIBLE PLATFORM: OVERSTITCH SYSTEM AND DILUMEN C1
Attila Ulkucu*, Kamil Erozkan, Emre Gorgun
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

284. ENDOSCOPIC SUBMUCOSAL DISSECTION FOR EXCISION OF A MASSIVE COLONIC LESION IN A PATIENT WITH ULCERATIVE PANCOLITIS
Attila Ulkucu*, Brogan Catalano, Emre Gorgun
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

285. A 90-DEGREE DISSECTION PLANE ROTATION: A NEW HORIZON UNLOCKED. ESD MUSCLE-FRIENDLY APPROACH
Ahmad A. Madkour*¹, Osama Elnahas¹, Hossam Ismail¹, Hassan Atalla², Amr El Fouly^1
1Gastroenterology, Helwan University, Helwan, Cairo, Egypt; ²Mansoura University Faculty of Medicine, Mansoura, Egypt

286. TIPS & TRICKS FOR "GRAB AND DRAG" CLIP THAT FACILITATES WOUND CLOSURE
Neil Mitra*, Pablo Palacios, Katherine Carsky, Alya Riaz, Jeffrey Nussbaum, Hmc Shantha Kumara, Richard L. Whelan
Surgery, Lenox Hill Hospital/ Northwell Health, New York, NY

287. ROBOTIC VENTRAL MESH RECTOPEXY: A VIDEO TECHNIQUE
Andrea Balla², Alice Frontali², Claudio Missaglia², Andrea Vignali^2,1, Pierpaolo Sileri*^2,1
1Surgery, Universita Vita Salute San Raffaele, Milan, Milan, Italy; ²IRCCS San Raffaele Scientific Institute, Milan, Italy