Journal of the American College of Surgeons • January 2020

Message from the Editor

Timothy J Eberlein, MD, FACS

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2019 Owen H Wangensteen Scientific Forum of the American College of Surgeons Dedicated to John Chris Alverdy, MD, FACS

Kevin K Roggin, MD, FACS

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From Icarus to Aequanimitas, Revisited

Joseph C Maroon, MD, FACS

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Factors Mediating Type 2 Diabetes Remission and Relapse after Gastric Bypass Surgery

Bernardo M Pessoa, MD, Matthew G Browning, PhD, Guilherme S Mazzini, MD, PhD, Luke Wolfe, MS, Amy Kaplan, Jad Khoraki, MD, Guilherme M Campos, MD, PhD, FASMBS, FACS

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Impact of Preoperative Care for Rectal Adenocarcinoma on Pathologic Specimen Quality and Postoperative Morbidity: A NSQIP Analysis

Susanna S Hill, MD, Sebastian K Chung, MD, David C Meyer, MD, Allison S Crawford, MS, Paul R Sturrock, MD, Cristina R Harnsberger, MD, Jennifer S Davids, MD, FACS, Justin A Maykel, MD, FACS, Karim Alavi, MD, MPH, FACS

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Protein Signatures and Tissue Diagnosis of Pancreatic Cancer

Patrick W Underwood, MD, Michael H Gerber, MD, Kathy Nguyen, BS, Daniel Delitto, MD, PhD, Song Han, PhD, Ryan M Thomas, MD, FACS, Christopher E Forsmark, MD, Jose G Trevino, MD, FACS, William E Gooding, MS, Steven J Hughes, MD, FACS

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WhatsApp Mobile Health Platform to Support Fracture Management by Non-Specialists in South Africa

Ntambue Jimmy Kauta, MBChB, FC Orth, MMed, Johann Groenewald, MBChB, Delroy Arnolds, MBChB, Benjamin Blankson, MBChB, Abbas Omar, MBChB, Priyanka Naidu, MBChB, Megan Naidoo, MPH, Kathryn M Chu, MD, MPH, FACS, FACRS

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Can We Improve Prediction of Adverse Surgical Outcomes? Development of a Surgical Complexity Score Using a Novel Machine Learning Technique

J Madison Hyer, MS, Susan White, PhD, Jordan Cloyd, MD, Mary Dillhoff, MD, FACS, Allan Tsung, MD, FACS, Timothy M Pawlik, MD, MPH, PhD, FACS, Aslam Ejaz, MD, MPH

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Abdominal Imaging of Pancreatic Cysts and Cyst-Associated Pancreatic Cancer in BRCA1/2 Mutation Carriers: A Retrospective Cross-Sectional Study

Carrie X Cao, MD, Jeremy M Sharib, MD, Amie M Blanco, MS, Dena Goldberg, MS, Paige Bracci, PhD, Rita A Mukhtar, MD, FACS, Laura J Esserman, MD, MBA, FACS, Kimberly S Kirkwood, MD, FACS

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Accurate Preoperative Prediction of Discharge Destination Using 8 Predictor Variables: A NSQIP Analysis

Abhinav B Singh, MD, Michael R Bronsert, PhD, MS, William G Henderson, PhD, MPH, Anne Lambert-Kerzner, PhD, MSPH, Karl E Hammermeister, MD, Robert A Meguid, MD, MPH, FACS

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Prevention of Fascial Dehiscence with Onlay Prophylactic Mesh in Emergency Laparotomy: A Randomized Clinical Trial

Helber VG Lima, MD, Roberto Rasslan, MD, FACS, Fernando CF Novo, MD, Tibe´rio MA Lima, MD, Se´rgio HB Damous, MD, FACS, Celso O Bernini, MD, Edna FS Montero, MD, PhD, Edivaldo M Utiyama, MD, PhD, FACS

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Enhancing the American College of Surgeons NSQIP Surgical Risk Calculator to Predict Geriatric Outcomes

Melissa A Hornor, MD, MS, Meixi Ma, MD, MS, Lynn Zhou, PhD, Mark E Cohen, PhD, Ronnie A Rosenthal, MD, MS, FACS, Marcia M Russell, MD, FACS, Clifford Y Ko, MD, MS, MSHS, FACS, FASCRS

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Use of Propensity Score Methodology in Contemporary High-Impact Surgical Literature

Elysia Grose, BHSc, Samuel Wilson, BSc, Jeffrey Barkun, MD, MSc, FRSCS, FACS, Kimberly Bertens, MD, MPH, FRCSC, Guillaume Martel, MD, MSc, FRCSC, FACS, Fady Balaa, MD, MSc, FRCSC, Jad Abou Khalil, MD, MSc, FRSCS

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Learning Curve for Surgeons Adopting Transcarotid Artery Revascularization Based on the Vascular Quality Initiative-Transcarotid Artery Revascularization Surveillance Project

Vikram S Kashyap, MD, FACS, Alexander H King, MS, Patric Liang, MD, Jens Eldrup-Jorgensen, MD, FACS, Grace J Wang, MD, Mahmoud B Malas, MD, MHS, FACS, Brian W Nolan, MD, Jack L Cronenwett, MD, FACS, Marc L Schermerhorn, MD, FACS

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Effect of Beta-Blockade on the Expression of Regulatory MicroRNA after Severe Trauma and Chronic Stress

Camille G Apple, MD, Elizabeth S Miller, MD, Tyler J Loftus, MD, Kolenkode B Kannan, PhD, Chase W Thompson, BS, Maria Cecilia Lopez, BS, Henry V Baker, PhD, Lyle L Moldawer, PhD, Philip A Efron, MD, FACS, Alicia M Mohr, MD, FACS

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Does Vertical Integration Improve Access to Surgical Care for Medicaid Beneficiaries?

Diane N Haddad, MD, Matthew J Resnick, MD, MPH, MMHC, Sayeh S Nikpay, PhD, MPH

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Thyroid Lobectomy for T1b-T2 Papillary Thyroid Cancer with High-Risk Features

Paritosh Suman, MD, FACS, Shantanu N Razdan, MD, Chi-Hsiung E Wang, PhD, Mark Tulchinsky, MD, FACNM, Leaque Ahmed, MD, FACS, Richard A Prinz, MD, FACS, David J Winchester, MD, FACS

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Metabolic Syndrome: Major Risk Factor for Morbidity and Mortality in Severely Injured Trauma Patients

Brett M Tracy, MD, Jacob M Wilson, MD, Christopher Staley, BA, Bernadette Frias, BSN, Mara L Schenker, MD, Rondi B Gelbard, MD, FACS

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Identifying the Minimum Volume Threshold for Retroperitoneal Soft Tissue Sarcoma Resection: Merging National Data with Consensus Expert Opinion

Anthony M Villano, MD, Alexander Zeymo, MS, Kitty S Chan, PhD, Nawar Shara, PhD, Waddah B Al-Refaie, MD, FACS

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Stand Your Ground: Policy and Trends in Firearm-Related Justifiable Homicide and Homicide in the US

Marc Levy, MD, FACS, Wilmer Alvarez, MBA, MA, Lauren Vagelakos, MPH, MBA, Michelle Yore, MSPH, Bertha Ben Khallouq, MA

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Antibiotic Prophylaxis for Colorectal Surgery

E Patchen Dellinger, MD, FACS

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Difference in Efficacy among b-Lactam Antibiotics and the Role of Mechanical Bowel Preparation: In Reply to Dellinger

Jonathan P Kuriakose, MS, Joceline Vu, MD, Monita Karmakar, PhD, Jerod Nagel, PharmD, Shitanshu Uppal, MBBS, Samantha Hendren, MD, MPH, FACS, Michael J Englesbe, MD, FACS, Raj Ravikumar, MD, Darrell A Campbell, MD, FACS, Greta L Krapohl, PhD, RN

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Ileostomy: Still a Problem with Hopeful Perspectives

Valentina Palumbo, MD, Maurizio Mannino, MD, Ornella Coco, MD, Isidoro Di Carlo, MD, PhD, FACS

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