Clinical Science Second Place Award - NESS Resident and Fellow Research Day
Preemptive Analgesia Decreases Pain Following Anorectal Surgery: A Prospective, Randomized, Double-Blinded, Placebo-Controlled Trial
*Justin T. Van Backer, MD^1,4, *Matthew R. Jordan, MD², *Danielle T. Leahy, MD³, Jesse S. Moore, MD⁴, *Peter Callas, PhD^4,5, *Timothy Dominick, MD³, *Peter A. Cataldo, MD^4
1Department of General Surgery, Albany Medical Center, Albany, NY; ²Department of Emergency Medicine, Naval Medical Center, Portsmouth, VA; ³Department of Anesthesiology, University of Vermont Medical Center, Burlington, VT; ⁴Department of Surgery, University of Vermont Medical Center, Burlington, VT; ⁵Department of Statistics, University of Vermont, Burlington, VT

Basic Science First Place Award - NESS Resident and Fellow Research Day
Programmed Cell Death Receptor-1 (PD-1)'s Effects on Innate Immune Cells: Unraveling Lung Injury After Neonatal Intra-abdominal Sepsis
*Eleanor A. Fallon, Daithi S. Heffernan, *Anne-Lise Rossi, *Chun-Shiang Chung, *Alfred Ayala
Brown University/Rhode Island Hospital, Providence, RI

Clinical Science First Place Award - NESS Resident and Fellow Research Day
What is the Risk of Anal Carcinoma in Patients With Anal Intraepithelial Neoplasia III?
*Grace C. Lee¹, Hiroko Kunitake¹, *Holly Milch¹, *Lieba R. Savitt¹, *Caitlin Stafford¹, Liliana G. Bordeianou¹, *Todd D. Francone², Rocco Ricciardi^1
1Massachusetts General Hospital, Boston, MA; ²Newton Wellesley Hospital, Newton, MA

Basic Science Second Place Award - NESS Resident and Fellow Research Day
DNA Damage Response Genes Differentiate Colitis From Neoplasia in Colitis-Associated Colon Cancer
*Robert A. Malizia¹, *Stephen P. Sharp¹, *Travis Walrath², *Shanti D'Souza³, *Carmen J. Booth⁴, *Brittany J. Kartchner², *Edward C. Lee¹, *Steven C. Stain¹, *William O'Connor, Jr.^2
1Department of Surgery, Albany Medical Center, Albany, NY; ²Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY; ³Albany Medical College, Albany, NY; ⁴Department of Comparative Medicine, Yale University, New Haven, CT

Multicenter Experience With Valve in Valve Transcatheter Aortic Valve Replacement Compared With Primary, Native Valve Transcatheter Aortic Valve Replacement
Michael P. Robich¹, Bruce J. Leavitt², *Megan Coylewright³, *James M. Flynn⁴, *Harold L. Dauerman², *Matthew S. McKay⁵, *Alexander Iribarne⁶, Robert S. Kramer¹, *Joseph P. DeSimone⁶, *Anthony W. DiScipio⁶, *Benjamin M. Westbrook⁴, *Yi-Ling Huang⁶, *David J. Malenka⁶, John D. Klemperer⁵, *Anahita Parsee², *Yvon R. Baribeau⁴, *Peter N. Ver Lee⁵, Reed D. Quinn¹, *David W. Butzel¹, Northern New England Cardiovascular Disease StudyGrp
¹Maine Medical Center, Portland, ME; ²University of Vermont Medical Center, Burlington, VT; ³Dartmouth-Hitchock Medical Center, Lebanon, NH; ⁴Catholic Medical Center, Manchester, NH; ⁵Eastern Maine Medical Center, Bangor, ME; ⁶Dartmouth-Hitchcock Medical Center, Lebanon, NH

Surgery's #Metoo Movement - Results of a Sexual Harassment Survey in an Academic Institution
Jacqueline Wu, *Susan Kartiko, *Aditi Kapil
Baystate Medical Center, Springfield, MA

Delay in Operation for Hirschsprung Disease Decreases Length of Stay: a 5 Year Analysis of NSQIP Data
*Mollie R. Freedman-Weiss, *Alexander S. Chiu, Michael G. Caty, *Daniel G. Solomon
Yale School of Medicine, New Haven, CT

Medicare Beneficiaries With Rectal Cancer in Regions With Lower Colorectal Surgeon Density Have Higher Rates of Abdominoperineal Resection: A Dartmouth Atlas Study
*Daniel Underbakke, *Ravinder Kang, *Srinivas Ivatury
Dartmouth Hitchcock Medical Center, Lebanon, NH

Understanding Entrustment Decision Making By Surgical Program Directors
*Samantha L. Ahle¹, *Katherine Gielissen¹, *Danya E. Keene², *Justin D. Blasberg^1
1Yale School of Medicine, New Haven, CT; ²Yale School of Public Health, New Haven, CT

Robotic-assisted Liver Resection for Metastatic Colorectal Cancer: A Multicenter Evaluation of Long-term and Oncologic Outcomes
*Rachel E. Beard¹, Sidrah Khan², *Yuman Fong³, *T. Peter Kingham⁴, *Thomas Boerner⁴, *Eren Berber⁵, *Bora Kahramangil⁵, *John B. Martinie⁶, *Dionisios Vrochides⁶, *Aude Vanlander⁷, *Roberto I. Troisi⁷, *Joseph F. Buell⁸, *Michele Molinari², *Allan Tsung^2
1Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI; ²University of Pittsburgh Medical Center, Pittsburgh, PA; ³City of Hope National Medical Center, Duarte, CA; ⁴Memorial Sloan-Kettering, New York, NY; ⁵Cleveland Clinic, Cleveland, OH; ⁶Carolinas Medical Center, Charlotte, NC; ⁷Ghent University Hospital Medical School, Ghent, Belgium; ⁸Tulane University, New Orleans, LA

Alginate microparticles loaded with basic fibroblast growth factor induce tissue coverage in a rat model of myelomeningocele
*James S. Farrelly¹, *Anthony H. Bianchi², *Adele S. Ricciardi¹, *Gina Buzzelli², *Samantha L. Ahle¹, *Mollie R. Freedman-Weiss¹, *Valerie L. Luks¹, *W. Mark Saltzman³, *David H. Stitelman^1
1Yale University School of Medicine, New Haven, CT; ²Department of Biomedical Engineering, School of Engineering and Applied Science, Yale University, New Haven, CT; ³Yale University School of Medicine, Department of Biomedical Engineering, School of Engineering and Applied Science, Yale University, New Haven, CT

Prevention of Contracture in Full Thickness Wounds Using Photochemical Tissue Passivation (PTP)
*Jane M. Tsui, *Rachel L. Goldstein, *Gem Runyan, *Michael C. McCormack, *Robert W. Redmond, *Mark A. Randolph, William G. Austen, Jr.
Massachusetts General Hospital, Boston, MA

Bioengineered Nanofiber Scaffold Loaded with Resveratrol Improves Cardiac Function Following Myocardial Infarction After Four Weeks
*Jacob D. Campbell, *Vaithinathan Selvaraju, *Rajesh Lakshmanan, *Mahesh Thirunavukkarasu, David W. McFadden, *Nilanjana Maulik
University of Connecticut Health Center, Farmington, CT

Developing a Blood Biomarker Model for Predicting Multiple Infection Episodes Following Blunt Trauma
*Amy Tsurumi¹, *Yok-Ai Que², Colleen M. Ryan³, *Patrick J. Flaherty⁴, Ronald G. Tompkins⁵, *Marianna Almpani⁶, *Yashoda V. Dhole⁵, *Laura F. Goodfield⁵, *Laurence G. Rahme^1
1Massachusetts General Hospital/Harvard Medical School/Shriners Hospitals for Children-Boston, Boston, MA; ²Bern University Hospital, Bern, Switzerland; ³Massachusetts General Hospital/Shriners Hospitals for Children-Boston, Boston, MA; ⁴University of Massachusetts, Amherst, Amherst, MA; ⁵Massachusetts General Hospital, Boston, MA; ⁶Massachusetts General Hospital/Harvard Medical School, Boston, MA

Accuracy of MELD-Na as a Predictor of Morbidity and Mortality in Cirrhotic Patients With Ascites Undergoing General Surgical Procedures
*Nathan L. Maassel¹, *Matthew M. Fleming¹, *Jiajun Luo², *Yawei Zhang^2,3, Kevin Y. Pei^1
1Yale, New Haven, CT; ²Section of Surgical Outcomes and Epidemiology, Department of Surgery, Yale School of Medicine, New Haven, CT; ³Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT

Minimally Invasive Extrapericardial placement of a Left-ventricular Assist Device
*Muhammad Anwer^1,2, Pramod Bonde^3,4
1Yale new haven, woodbride, CT; ²Yale New haven Hospital, New Haven, CT; ³Yale new haven, new haven, CT; ⁴Yale New Haven Hospital, New Haven, CT

Sociodemographic Predictors of Inpatient Costs for Solid Organ Transplants
Raymond A. Jean, *Alexander S. Chiu, Peter S. Yoo
Yale School of Medicine, New Haven, CT

The Geriatric Nutritional Risk Index is a Powerful Predictor of Adverse Outcome in the Elderly Emergency Surgery Patient
*Zhenyi Jia^1,2, *Ask Nordestgaard¹, *Jae Moo Lee¹, *Karien Meier¹, *Nikolaos Kokoroskos¹, *Aditya Napaporn Kongkaewpaisan¹, *Manasnun Kongwibulwut¹, *Ahmed Eid¹, *Kelsey Han¹, *Gabriel Rodriguez¹, *Noelle Saillant¹, *April Mendoza¹, *Martin Rosenthal¹, *Peter Fagenholz¹, *David King¹, George Velmahos¹, Haytham Kaafarani^1
1. Division of Trauma, Emergency Surgery and Surgical Critical Care, Department of Surgery Massachusetts General Hospital, Boston, MA ². Division of Emergency Surgery, Department of surgery, Shanghai Sixth People's Hospital, Shanghai, China

Does BMI Predict Outcomes in Emergency General Surgery?
*Matthew M. Fleming¹, *Jiajun Luo², *Yawei Zhang^2,3, Kevin Y. Pei^1
1Yale School of Medicine, Department of Surgery, New Haven, CT; ²Section of Surgical Outcomes and Epidemiology. Department of Surgery, Yale School of Medicine, New Haven, CT; ³Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT

KCC4/IGF1 Dysregulation: A Novel Signaling Hallmark of Non-functional Adrenocortical Carcinomas
*Taylor C. Brown¹, *Norman G. Nicolson¹, *Adam Stenman², *Christofer C. Juhlin², *Courtney E. Gibson¹, Glenda G. Callender¹, Tobias Carling^1
1Yale University School of Medicine, Department of Surgery, New Haven, CT; ²Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden

The Risk of Delayed Adjuvant Chemotherapy with Immediate Breast Reconstruction
*Amulya C. Alapati, *Aaron Fleishman, Ted A. James
Beth Israel Deaconess Medical center, Boston, MA

Transurethral Thulium Laser Prostatectomy in the Outpatient Setting: Benefits and Outcomes at a Single Center in the United States
*Curran Uppaluri, *Theodore Cisu, *David Sobel, Carlos Marroquin, *Richard Grunert
University of Vermont, Burlington, VT

Protection from Ischemic Injury in the Small Intestine using Nutraceutical Nanoparticles in a Rat Model
*Maria J. Barahona¹, *Vanessa Baratta¹, *Michele Finotti^1,2, *Renee M. Maina¹, *Giorgio Caturegli¹, *Taras Lysyy¹, *Francesco D'Amico^1,2, David C. Mulligan¹, *John P. Geibel^1
1Yale, New Haven, CT; ²University of Padua, Padua, Italy

Assessing Cost-Effectiveness of Admission and Interval Imaging to Improve Outcome After Delayed Traumatic Intracranial Hemorrhage: a Decision-Analytical Model
*Norman G. Nicolson, Kevin Y. Pei
Yale School of Medicine, Department of Surgery, New Haven, CT

Characterization of Peripheral Blood T-Lymphocyte Populations Following Intratumoral Anti-PD-1 Injection in a Humanized Mouse Model
Ryan J. Hendrix, *Kurt Schultz, *Michael Brehm, Giles F. Whalen
University of Massachusetts Medical School, Worcester, MA

Probing the Portal System as the Source of Inflammation in An Acute Systemic Burn Model
*Fatemeh Adiliaghdam, *Florian Kuehn, *Laurence Rahme, Richard Hodin
Massachusetts General Hospital, Boston, MA

Increasing Incidence of Stage IV Breast Cancer Since 2002
*Danielle R. Heller^1,2, *Brigid K. Killelea^1,3, *Christos Hatzis^1,3, *Lajos Pusztai^1,3, Donald R. Lannin^1,3
1Yale University School of Medicine, New Haven, CT; ²Yale-New Haven Hospital Department of Surgery, New Haven, CT; ³Yale Cancer Center, New Haven, CT

Correlating Screening and Ductal Carcinoma in Situ Incidence Rates in the US
*Biqi Zhang¹, *Tawakalitu S. Oseni², Suzanne B. Coopey², *Michele A. Gadd², *Kevin S. Hughes², *David C. Chang^2
1Harvard Medical School, Boston, MA; ²Massachusetts General Hospital, Boston, MA

Adrenocortical Suicide Gene CYP4B1 Promotes Adrenocortical Carcinoma Cell Death by Dysregulating the TNF Signaling Pathway
*Norman G. Nicolson, Glenda G. Callender, *Courtney E. Gibson, *Reju Korah, Tobias Carling
Yale School of Medicine, Department of Surgery, New Haven, CT

Readmission Risk After Operative Management of Empyema
Raymond A. Jean¹, *Alexander S. Chiu¹, *Daniel J. Boffa¹, Anthony W. Kim², *Frank C. Detterbeck¹, *Justin D. Blasberg^1
1Yale School of Medicine, New Haven, CT; ²Keck School of Medicine at USC, Los Angeles, CA

WITHDRAWN

Opioid Prescribing Practices and Patient Use in Minimally Invasive Surgery
*Danielle T. Friedman, *Saber Ghiassi, *Matthew Hubbard, Andrew J. Duffy
Yale University, New Haven, CT

Infection After Surgery: Incidence, Bacteriology and Trends from 2008-2015
*William O'Brien, *Kalpana Gupta, Kamal M.F. Itani
VA Boston Healthcare System, Boston, MA

Do Trauma Severity Scores Successfully Predict Hypersusceptibility to Infections in Trauma Patients?
*Marianna Almpani¹, *Amy Tsurumi¹, *Thomas Peponis², *Yashoda V. Dhole², *Laura F. Goodfield², Ronald G. Tompkins², *Laurence G. Rahme^1
1Massachusetts General Hospital/Harvard Medical School/Shriners Hospital for Children, Boston, Boston, MA; ²Massachusetts General Hospital/Harvard Medical School, Boston, MA

Association of Alcohol Intoxication With Better Outcomes and Relation With Hypothermia After Traumatic Brain Injury Depends on Differences in Patient and Trauma Characteristics
*Suzanne F. van Wijck^1,2, *Napaporn Kongkaewpaisan¹, *Ahmed I. Eid¹, *Kelsey R. Han¹, *Zhenyi Jia¹, *Karien Meier¹, *Nikolaos Kokoroskos¹, *Manasnun Kongwibulwut¹, *Jae Moo Lee¹, *Ask T. Nordestgaard¹, *Gabriel E. Rodriguez¹, Haytham M. Kaafarani¹, *David R. King¹, George C. Velmahos¹, *Gwendolyn M. Van der Wilden², *Pieta Krijnen², *Inger B. Schipper^2
1Massachusetts General Hospital, Harvard Medical School, Boston, MA; ²Leiden University Medical Center, Leiden, Netherlands

An Assessment of Fine Surgical Knot Tying
*Robert Cortez
Brown University/Rhode Island Hospital, Providence, RI

Predictors of Delay to Venous Thromboembolism Prophylaxis in Patients With Traumatic Brain Injury: an Analysis of the Trauma Quality Improvement Program (TQIP)
*Matthew M. Fleming¹, *Yuehong Liu², *Yawei Zhang^2,3, Kevin Y. Pei^1
1Yale School of Medicine, Department of Surgery, New Haven, CT; ²Section of Surgical Outcomes and Epidemiology, Department of Surgery, Yale School of Medicine, New Haven, CT; ³Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT

Predicting Workload and Stress on Academic Surgical Services
*Lane Curran¹, *Brittany Misercola², David Clark², *Julianne Ontengco², James Whiting^2
1Albany Medical College, Albany, NY; ²Maine Medical Center, Portland, ME

Role of Novel Immunotherapy in Recurrent Thick and Ultra-Thick Melanoma
*Joshua Cohen, *Andrew M. Blakely, *Danielle S. Comissiong, Michael P. Vezeridis, Thomas J. Miner
Rhode Island Hospital, Providence, RI

Bowel Function After Oncologic Resection for Colon Cancer: The Colon Does Not Matter
*Srinivas Joga Ivatury, *Lauren R. Wilson, *Matthew Z. Wilson
Dartmouth Hitchcock, Lebanon, NH

When Not Winning Means Losing: Underrepresentation of Women Surgeons in Recognition Awards at a Single Institution
*Heather G. Lyu, Douglas S. Smink, Pardon R. Kenney, *Nelya Melnitchouk, *Nancy L. Cho
Brigham and Women's Hospital, Boston, MA

Opioid Requirements After Bariatric Surgery
*Deanna Palenzuela¹, *Karan Chhabra², *Robert Matthews², *Jason Pradarelli², Ali Tavakkoli^2
1Harvard Medical School, Boston, MA; ²Brigham and Women's Hospital, Boston, MA

Trends in Routine and Complex Hepatobiliary Surgery Among General and Pediatric Surgical Residents: What is the Next Generation Learning and is it Enough?
*Christine J. Park, *Sarah J. Armenia, Robert A. Cowles
Yale University, New Haven, CT

Post-operative Narcotic Use in the Elective General Surgery Population Developing Guidance for Prescribers
*Brett Baker, *John F. Kelly, *Max Hazeltine, *Olivia Karcis, *Sardis Harward, Richard Perugini
University of Massachusetts Medical School, Worcester, MA

September 1918: An Unforgettable Month for New England Surgeons 100 Years Ago
David E. Clark
Maine Medical Center, Portland, ME

Moose - Motor Vehicle Collisions: A Continuing Hazard in Northern New England
David E. Clark¹, *Gwendolyn Fulton², *Julianne B. Ontengco¹, *Tammy Lachance³, John E. Sutton, Jr.^2
1Maine Medical Center, Portland, ME; ²Dartmouth-Hitchcock Medical Center, Lebanon, NH; ³Central Maine Medical Center, Lewiston, ME

Emergency General Surgery Operations in the Homeless: Marginal Access to Care and Poor Outcomes
*Michael P. DeWane, Adrian A. Maung, Kevin M. Schuster, Kimberly A. Davis, *Robert D. Becher
Yale School of Medicine, New Haven, CT

Ten-Year Trends in Post-Mastectomy Reconstruction: A Community-Based Experience
*Kamal Addagatla, *Rishi Mamtani, *Leif Nordberg
Stamford Hospital, Stamford, CT

Effect of Limited English Proficiency on Outcomes Following Cancer Operations
*Timothy Feeney, *Michael Cassidy, David McAneny, Maureen Kavanah, *Teviah Sachs, Jennifer F. Tseng, *Frederick Thurston Drake
Boston Medical Center/Boston University, Boston, MA

Community Collaboration and Explainer Videos for Opioid Education
*Colleen Kerrigan
University of Vermont Medical Center, Burlington, VT

Wellbeing Program Demonstrates Early Improvement in General Surgery Residency
Ryan J. Hendrix, *Jorind Beqari, *Michael Winton, *Jennifer Davids, *Ulises Torres, Anne Larkin, Jennifer LaFemina
University of Massachusetts Medical School, Worcester, MA

Characterizing Colonic Migrating Motor Complexes (CMMCs) Using a Novel Method in Ex Vivo Mouse Colon
*John R. Konen^1,2, *Emily J. Joyce², *Colleen B. Kerrigan^1,2, *Gary M. Mawe², *Grant W. Hennig^2
1Department of Surgery, The University of Vermont Medical Center, Burlington, VT; ²Department of Neurological Sciences, University of Vermont, Burlington, VT

National Trends in the Management of Traumatic Pediatric Abdominal Vascular Injury
*Katharine R. Bittner, *Erica D. Kane, *Jane Garb, *Ashwini S. Poola, David B. Tashjian, *Briana Leung, Gregory T. Banever, Kevin P. Moriarty, Michael V. Tirabassi
Baystate Medical Center, Springfield, MA