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Society for Surgery of the Alimentary Tract

Program and Abstracts

61st Annual Meeting
Virtual 62nd Annual Meeting
SOCIETY FOR SURGERY OF THE ALIMENTARY TRACT
May 21-23, 2021
in partnership with Digestive Disease Week®


Program (Subject to Change)

<<Saturday | Program and Abstracts | On Demand>>

Residents Conference Indicates a Plenary presentation that is also being presented at the Virtual Resident & Fellows Research Conference; participation in and attendance at this virtual conference is by invitation only.
Tracks
Esophagus, Gastric, Bariatric, & Metabolic GI Tract
Hepatobiliary & Pancreas Education, Quality, Outcomes, & Policy
Small Bowel, Abdominal Wall, Hernia, & Colorectal General & Society Business

SUNDAY, MAY 23, 2021
10:00 - 10:45 AM
MAJA AND FRANK G. MOODY STATE-OF-THE-ART LECTURE:
TITLE TBA
 
LECTURE: TITLE TBA
Thomas J. Nasca, Chicago, IL
10:45 - 11:30 AM
CONTROVERSIES IN GI SURGERY DEBATE, PANCREAS: POST-PANCREATECTOMY ACUTE PANCREATITIS IS A RELEVANT CLINICAL ENTITY
 
PRO DEBATE
Giovanni Marchegiani, Verona, Italy

CON DEBATE
Nicholas Zyromski, Indianapolis, IN

PANEL AND AUDIENCE DISCUSSION
11:30 - 12:15 PM
SSAT ANNUAL BUSINESS MEETING* (Members Only)
 
SSAT Annual Business Meeting, for SSAT members only.

*Separate registration required.

Register Now

1:00 - 2:30 PM
PLENARY SESSION: HEPATOBILIARY & PANCREAS I
3506166.
INTRA-OPERATIVE BILE CULTURE IN PANCREATICODUODENECTOMY: TEACHING OLD DOGMA NEW TRICKS
Thomas L. Sutton*, Jack P. O'Grady, Robert G. Martindale, Skye C. Mayo, Erin Gilbert, Brett C. Sheppard
Surgery, Oregon Health and Science University, Portland, OR
3525335.
OUTCOMES OF MIXED PATHOLOGIC RESPONSE IN PATIENTS WITH MULTIPLE COLORECTAL LIVER METASTASES TREATED WITH NEOADJUVANT CHEMOTHERAPY AND LIVER RESECTION
Meredith C. Mason*, Maciej Krasnodebski, Caeli Barker, Yujiro Nishioka, Anai N. Kothari, Yi-Ju Chiang, Timothy E. Newhook, Ching-Wei D. Tzeng, Yun Shin Chun, Thomas Aloia, Jean-Nicolas Vauthey, Hop Tran Cao
Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
3519005.
CLINICALLY RELEVANT PANCREATIC FISTULA FOLLOWING PANCREATODUODENECTOMY IS ASSOCIATED WITH HIGH INTRAOPERATIVE BLOOD LOSS: AN INTERNATIONAL, MULTI-INSTITUTIONAL PROPENSITY SCORE MATCHED ANALYSIS.
Fabio Casciani*1,2, Maxwell T. Trudeau1, Claudio Bassi2, Charles Vollmer1
1Hospital of the University of Pennsylvania, Philadelphia, PA; 2University of Verona, Verona, Italy
3525517.
COVID-19'S IMPACT ON CANCER CARE: INCREASED EMOTIONAL STRESS IN PATIENTS AND HIGH RISK OF PROVIDER BURNOUT
Omid Salehi*1, Sylvia V. Alarcon1, Eduardo A. Vega1, Onur C. Kutlu2, Olga Kozyreva1, Jennifer Chan3, Vera Kazakova1, Dominique Harz3, Claudius Conrad1
1Saint Elizabeth's Medical Center, Brighton, MA; 2University of Miami School of Medicine, Miami, FL; 3Harvard Medical School, Boston, MA
3526355.
STROMAL SUBTYPES OF PANCREATIC CANCER IN PATIENT-DERIVED XENOGRAFT MODELS
Louisa Bolm*1, Natalie Petruch1, Pascal Finetti2, Taisuke Baba1, Jorge Roldan1, Jon Michael Harrison1, Andrew L. Warshaw1, Carlos Férnandez-Del Castillo1, Andrew S. Liss1
1Department of Surgery, Massachusetts General Hospital, Boston, MA; 2Aix-Marseille Universite, Marseille, Provence-Alpes-Côte d'Azu, France
3526941.
CARING FOR PATIENTS WITH COMPLICATIONS AFTER COMPLEX GASTROINTESTINAL SURGERY: A NATIONAL STUDY OF INTERHOSPITAL TRANSFER AMONG MEDICARE BENEFICIARIES
Priya Pathak, Djhenne Dalmacy, Diamantis Tsilimigras, Madison Hyer, Adrian Diaz, Timothy M. Pawlik*
Surgery, The Ohio State Wexner Medical Center, Columbus, OH
1:00 - 2:30 PM
SSAT AND ASCRS JOINT SYMPOSIUM: CONTROVERSIES IN THE ILEOANAL POUCH
 
Moderators: Neil Hyman, Chicago, IL
Thomas Read, Gainesville, FL
IS THERE EVER A PLACE FOR A MUCOSECTOMY?
Luca Stocchi, Jacksonville, FL

BOTTOM UP OR TOP DOWN?
Karen Zaghiyan, Los Angeles, CA

IPAA FOR CROHN'S DISEASE?
Tracy L. Hull, Cleveland, OH

MANAGEMENT OF THE FAILING POUCH
Ravi P. Kiran, New York, NY
1:00 - 2:30 PM
SSAT AND ISDS JOINT SYMPOSIUM: GLOBAL SURGERY - THE BEST OF BOTH WORLDS
 
Moderators: Michael F. Mcgee, Chicago, IL
Alessandro Fichera, Dallas, TX
HOW TO BUILD A SUSTAINABLE OUTREACH PROGRAM
Anthony G. Charles, Chapel Hill, NC

HOW TO BUILD A HOMEGROWN PROGRAM
April C. Roslani, Kuala Lumpur, Malaysia

WHAT CAN I ACCOMPLISH ON MY OWN
Rebecca Weddle, Dallas, TX

DEVELOPING NCCN GUIDELINES FOR NATIONAL RECTAL CANCER CARE IN BOLIVIA
Steven J. Schuetz, Elmhurst, IL
3:30 - 5:00 PM
KELLY AND CARLOS PELLEGRINI SSAT/SAGES SYMPOSIUM: ADVANCES IN THE MANAGEMENT OF REFLUX
 
Moderators: Liane S. Feldman, Montreal, QC
Richard A. Hodin, Boston, MA
DIAGNOSIS OF REFLUX (INCLUDING APR AND NON ULCER DYSPEPSIA)
Min P. Kim, Houston, TX

ENDOSCOPIC MANAGEMENT OF REFLUX: TIF, STRETTA, ARMS - WHERE ARE WE NOW?
Michael Ujiki, Evanston, IL

SURGICAL MANAGEMENT OF REFLUX: WHEN TO USE NISSEN, TOUPLET, LINX, MESH?
John C. Lipham, Los Angeles, CA

LONG TERM OUTCOMES AND REASONS FOR FAILURE
Leena Khaitan, Cleveland, OH

THE FAILED WRAP: CAUSES AND MANAGEMENT STRATEGIES
Aurora D. Pryor, Stony Brook, NY
3:30 - 5:00 PM
SSAT AND AHPBA JOINT SYMPOSIUM: LIVER DIRECTED THERAPIES FOR HEPATIC MALIGNANCY
 
Moderators: Flavio G. Rocha, Seattle, WA
Michael D'Angelica, New York, NY
Y90 FOR HCC: HYPE OR ESTABLISHED THERAPY
Adam Yopp, Dallas, TX

HEPATIC ARTERY CHEMOTHERAPY FOR COLORECTAL LIVER METASTASES: WHAT'S OLD IS NEW AGAIN
Sepideh Gholami, Davis, CA

THE ROLES OF SURGERY AND INTRA-ARTERIAL THERAPIES FOR INTRAHEPATIC CHOLANGIOCARCINOMA
Shishir K. Maithel, Atlanta, GA

TRANSPLANTATION FOR UNRESECTABLE METASTATIC COLORECTAL CANCER: REALITY OR JUST A TREND?
M. B. Majella Doyle, Saint Louis, MO
3:30 - 5:00 PM
DDW DIVERSITY SYMPOSIUM: UNIQUE PATIENT POPULATIONS WITH GI DISEASES EXPERIENCING BARRIERS TO CARE
 
IMPROVING AWARENESS AND SENSITIVITY TO LGBT HEALTH ISSUES
William Dewitt, New York, NY

CULTURAL BARRIERS TO HEALTH CARE
Julius Wilder, Durham, NC

COMMUNICATION BARRIERS
Pilar Ortega, Chicago, IL

SOCIOECONOMIC BARRIERS TO GASTROENTEROLOGICAL CARE
John Carethers, Ann Arbor, MI
5:30 - 7:00 PM
BEST OF DDW
 
SSAT DISCUSSANT
Ali Tavakkoli, Boston, MA

AASLD DISCUSSANT
Grace L. Su, Ann Arbor, MI

AGA DISCUSSANT
Juanita L. Merchant, Ann Arbor, MI

ASGE DISCUSSANT
Vanessa M. Shami, Charlottesville, VA
5:30 - 7:00 PM
PLENARY SESSION: HEPATOBILIARY & PANCREAS II
3524285.
MAGNITUDE OF CA19-9 DECLINE IN RESPONSE TO NEOADJUVANT CHEMORADIATION IS ASSOCIATED WITH OVERALL SURVIVAL IN PATIENTS WITH PANCREATIC CANCER
Sam Thalji*, William Hall, Mohammed Aldakkak, Kathleen Christians, Callisia N. Clarke, Ben George, Mandana Kamgar, Bryan Hunt, Srivats Madhavan, Naveen Kulkarni, Beth A. Erickson, Douglas B. Evans, Susan Tsai
Surgery, Medical College of Wisconsin, Milwaukee, WI
3525265.
UTILIZATION OF THE KAWAGUCHI-GAYET COMPLEXITY CLASSIFICATION TO CREATE, IMPLEMENT, AND VALIDATE RISK-STRATIFIED POST-HEPATECTOMY PATHWAYS BASED ON ANTICIPATED LENGTH OF STAY
Bradford J. Kim*, Elsa M. Arvide, Yoshikuni Kawaguchi, Whitney L. Dewhurst, Teresa L. Phan, Hop Tran Cao, Thomas Aloia, Yun Shin Chun, Matthew Katz, Jean-Nicolas Vauthey, Ching-Wei D. Tzeng, Timothy E. Newhook
Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX
3526561.
TRIALS AND TRIBULATIONS: DIVERSITY AND INCLUSION IN PANCREATIC DUCTAL ADENOCARCINOMA CLINICAL TRIALS
Kelly M. Herremans*1, Andrea N. Riner1, Steven J. Hughes1, Jose G. Trevino2
1University of Florida College of Medicine, Gainesville, FL; 2Virginia Commonwealth University Medical Center, Richmond, VA
3526893.
EARLY VERSUS DELAYED CHOLECYSTECTOMY IN PATIENTS WITH ACUTE BILIARY PANCREATITIS A META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS
Hasan Shoaib*, Muhammad N. Asghar, Saqib Walayat, Sonu Dhillon, Steven S. Tsoraides
Internal Medicine, University of Illinois College of Medicine at Peoria, Peoria, IL
3526612.
SINGLE-CELL RNA SEQUENCING ANALYSIS OF PANCREATIC DUCTAL ADENOCARCINOMA REVEALS TRANSCRIPTOMIC CHANGES IN FIBROBLASTS FOLLOWING FOLFIRINOX-BASED NEOADJUVANT CHEMORADIATION THERAPY
Jon Harrison*1, Jonathan E. Chang2, Michelle Piquet2, Slavica Dimitrieva2, Millicent Gabriel2, Keith D. Lillemoe1, Andrew L. Warshaw1, Mari Mino-Kenudson1, Carlos Férnandez-Del Castillo1, Viviana Cremasco2, Dave Ruddy2, Andrew S. Liss1
1Surgery, Massachusetts General Hospital, Boston, MA; 2Novartis Institutes for BioMedical Research Inc, Cambridge, MA
3526644.
PATIENT STATED PREFERENCES FOR NEOADJUVANT THERAPY IN PANCREATIC DUCTAL ADENOCARCINOMA
Jordan Cloyd*, Allan Tsung, Aslam Ejaz, Timothy M. Pawlik, Angela Sarna, Heena P. Santry, Celia Wills, Norah Crossnohere
Surgery, OHIO STATE UNIVERSITY, Columbus, OH
5:30 - 7:00 PM
PLENARY SESSION: SMALL BOWEL, ABDOMINAL WALL, HERNIA, & COLORECTAL II
3522115.
DISCHARGE TIMING AFTER OSTOMY CONSTRUCTION: IS SHORT LENGTH OF STAY ASSOCIATED WITH INCREASED READMISSIONS?
Mary G. Smithson*, Tara Wood, Karin M. Hardiman, Drew J. Gunnells, Daniel I. Chu, Robert H. Hollis
The University of Alabama at Birmingham, Birmingham, AL
3516149.
EARLY VERSUS LATE RECURRENCE IN RECTAL CANCER: DOES TIMING MATTER?
Marina Affi Koprowski*, Thomas L. Sutton, Nima Nabavizadeh, Charles R. Thomas, Emerson Chen, Adel Kardosh, Charles Lopez, Skye C. Mayo, Kim C. Lu, Daniel O. Herzig, Vassiliki L. Tsikitis
Oregon Health and Science University, Portland, OR
3526824.
ASSOCIATION OF MEDICAID ELIGIBILITY WITH TIMING TO AND OUTCOMES FROM SURGERY FOR DIVERTICULITIS
Adrian Diaz*, Kathryn Taylor, Ushapoorna Nuliyalu, Justin B. Dimick, Hari Nathan
University of Michigan, Ann Arbor, MI
3521493.
ASSOCIATION OF GERIATRIC MEASURES WITH SURGICAL OUTCOMES IN COLORECTAL SURGERY PATIENTS
Margaret Johnson*, Lauren Wood, Robert H. Hollis, Drew J. Gunnells, Jamie A. Cannon, Karin M. Hardiman, Daniel I. Chu, Gregory D. Kennedy, Melanie S. Morris
The University of Alabama at Birmingham Department of Surgery, Birmingham, AL
3522919.
IMPACT OF INFLAMMATORY BOWEL DISEASE ON RISK OF VENOUS THROMBOEMBOLISM IN PATIENTS UNDERGOING COLORECTAL CANCER SURGERY - A NATIONWIDE COHORT STUDY
Gencer Kurt*, Katalin Veres, Frederikke Schønfeldt Troelsen, Erzsébet Horváth-Puhó, Henrik Toft Sørensen, Rune Erichsen
Department of Clinical Epidemiology, Aarhus Universitetshospital, Aarhus N, Denmark
3526839.
IMPACT OF ENHANCED RECOVERY PATHWAY (ERP) ON SURGICAL DISPARITIES FOR PATIENTS WITH INFLAMMATORY BOWEL DISEASE
Lauren Theiss*, Tara Wood, Connie Shao, Isabel Marques, Robert H. Hollis, Drew J. Gunnells, Karin M. Hardiman, Jamie A. Cannon, Gregory D. Kennedy, Melanie S. Morris, Daniel I. Chu
University of Alabama at Birmingham (UAB), Birmingham, AL
5:30 - 7:00 PM
QUICK SHOT: ESOPHAGUS, GASTRIC, BARIATRIC & METABOLIC I
3525462.
OPTIMAL TREATMENT OF CT2N0 SQUAMOUS-CELLS ESOPHAGEAL CARCINOMA (SCC): IS UPFRONT SURGERY REALLY THE WAY?
Elisa Sefora Pierobon*, Giovanni Capovilla, Lucia Moletta, Gianpietro Zanchettin, Renato Salvador, Mario Costantini, Stefano Merigliano, Michele Valmasoni
University of Padova, Padova, Italy
3525216.
PLATELET-TO-LYMPHOCYTE RATIO AS A MARKER OF DISEASE PROGNOSIS IN ESOPHAGEAL ADENOCARCINOMA
Alexander J. Calderone*, Yaseen Al Lawati, Jose L. Ramirez-Garcialuna, Aroub Alkaaki, Carmen L. Mueller, Jonathan Spicer, Lorenzo E. Ferri, Jonathan Cools-Lartigue
McGill University Faculty of Medicine, Montreal, QC, Canada
3519978.
EPSTEIN-BARR TUMOR-ASSOCIATED INFECTION IS RESTRICTED TO MORE DISTAL ADENOCARCINOMA OF ESOPHAGOGASTRIC JUNCTION (AEGJ), WHILE PD-L1 IS HIGHLY IMMUNOEXPRESSED IN BOTH, ESOPHAGEAL SQUAMOUS CELL CARCINOMA (ESCC) AND AEGJ
Mateus B. Ribeiro*1, Sergio B. Marques2, Ibere C. Soares3, Marina A. Pereira3, Flavio R. Takeda3, Fauze Maluf-Filho3, Rubens A. Sallum3, Bruno Zilberstein3, Adriana V. Safatle-Ribeiro3, Ulysses Ribeiro3
1Universidade de Sao Paulo Faculdade de Medicina, São Paulo, Brazil; 2Universidade de Sao Paulo Hospital das Clinicas, Sao Paulo, São Paulo, Brazil; 3Universidade de Sao Paulo Instituto do Cancer do Estado de Sao Paulo, Sao Paulo, São Paulo, Brazil
3526079.
PERIOPERATIVE AND SHORT-TERM OUTCOMES AFTER REMEDIAL ANTI-REFLUX SURGERY
K. Mirzaei Baboli*, Sumeet Mittal
Norton Thoracic Institute, Phoenix, AZ
3522194.
THE LAPAROSCOPIC HELLER-DOR IS AN EFFECTIVE LONG-TERM TREATMENT FOR END-STAGE ACHALASIA
Giulia Nezi*, Francesca Forattini, Federica Riccio, Arianna Vittori, Luca Provenzano, Giovanni Capovilla, Loredana Nicoletti, Lucia Moletta, Elisa Sefora Pierobon, Gianpietro Zanchettin, Michele Valmasoni, Stefano Merigliano, Mario Costantini, Renato Salvador
Universita degli Studi di Padova, Padova, Veneto, Italy
3524662.
REDUCED WRAP DISTENSIBILITY PREDICTS DYSPHAGIA AMONG PATIENTS WITH PARTIAL, BUT NOT COMPLETE, FUNDOPLICATION
Lester Tsai*, Santiago Horgan, Bryan J. Sandler, Ryan C. Broderick, Alice J. Race, David C. Kunkel
Internal Medicine, University of California San Diego, San Diego, CA
3525918.
SURGICAL TREATMENT OF RADIOINDUCED ESOPHAGEAL CANCER: RESULTS OF A SINGLE CENTER CASE-CONTROL STUDY WITH PROPENSITY SCORE MATCHING
Giovanni Capovilla*, Anna Laura De Pasqual, Elisa Sefora Pierobon, Lucia Moletta, Renato Salvador, Mario Costantini, Gianpietro Zanchettin, Luca Provenzano, Stefano Merigliano, Michele Valmasoni
University of Padova, Padova, Italy
3523806.
OPERATIVE TIME FOR ESOPHAGECTOMY IN ESOPHAGEAL CANCER: DOES TIME REALLY MATTER? A NSQIP STUDY
Brandon W. Nuckles*, Ayobami Fatunmbi, Shengxuan Wang, Joseph Blansfield
Geisinger Medical Center, Danville, PA
3527000.
POSITIVE HISTOLOGIC MARGINS ARE ASSOCIATED WITH COMPROMISED OVERALL SURVIVAL IN PATIENTS UNDERGOING RESECTION OF INTERMEDIATE AND LARGE GASTROINTESTINAL STROMAL TUMORS
Dhruv J. Patel*1, Joseph N. Fahmy2, Constantine Godellas2, Lawrence Knab2, Gerard Abood2, Frederick Luchette2,3, Marshall S. Baker2,3
1Loyola University Chicago Stritch School of Medicine, Palatine, IL; 2Department of Surgery, Loyola University Medical Center, Maywood, IL; 3Edward Hines, Jr Veterans Administration Hospital, Hines, IL
3527008.
FUNDUS TO ANTRUM RATIO MEASURED WITHIN ONE WEEK AFTER ENDOSCOPIC SLEEVE GASTROPLASTY PREDICTS TOTAL BODY WEIGHT LOSS OVER TIME
Kaveh Hajifathalian*, Donevan R. Westerveld, Andrea S. Kierans, Amit Mehta, Angela Wong, Grace C. Lo, Sarah Oh, Reem Z. Sharaiha
Gastroenterology and Hepatology, New York Presbyterian-Cornell, New York, NY
3523388.
WEIGHING THE OPTIONS: ATTITUDES AND PERCEPTIONS OF BARIATRIC SURGERY AMONGST PROVIDERS BASED ON REFERRAL PATTERNS
Lee Ying*2, Ysabel C. Ilagan-Ying1, Mariana Almeida3, Artur V. Viana1, Yihan Yang1, John Morton2, Albert Do1
1Internal Medicine, Yale University Department of Internal Medicine, New Haven, CT; 2Yale New Haven Health System, New Haven, CT; 3Yale University School of Medicine, New Haven, CT
3520675.
THE ROLE OF SARCOPENIA IN PREDICTING THE POST-OPERATIVE MORBIDITY AND PERI-OPERATIVE MORTALITY IN PATIENTS UNDERGOING ELECTIVE SURGERY FOR GASTRIC CANCER
Sinduja Ramanan*3, Vikram Kate3, Amaranathan Anandhi3, Deepak Barathi1, Thulasingam Mahalakshmy2
1Department of Radiodiagnosis, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India; 2Department of Preventive and Social Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India; 3Department of Surgery, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India
3525934.
IMPLEMENTATION OF AN ENHANCED RECOVERY PATHWAY RESULTS IN DECREASED LENGTH OF STAY AFTER GASTRECTOMY
Anitha Kammili*, Jonathan Cools-Lartigue, Lorenzo E. Ferri, Carmen L. Mueller
McGill University Health Centre, Montreal, QC, Canada
3520627.
INCIDENCE, BURDEN AND PREDICTORS OF ONE-YEAR READMISSION IN PATIENTS UNDERGOING BARIATRIC SURGERY
Pedro Palacios Argueta*3,2, Miguel Salazar1, Paul T. Kröner2, Frank Lukens2, C. Roberto Simons-Linares1
1Cleveland Clinic, Cleveland, OH; 2Mayo Clinic's Campus in Florida, Jacksonville, FL; 3Cook County, Chicago, IL
3527140.
TRENDS AND OUTCOMES FOR SIMULTANEOUS CHOLECYSTECTOMY DURING BARIATRIC SURGERY OVER THE PAST DECADE
Paul T. Kröner*2, Michele B. Ryan1, Christopher C. Thompson1
1Brigham and Women's Hospital Department of Medicine, Boston, MA; 2Mayo Clinic's Campus in Florida, Jacksonville, FL

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