Gary Alan Bass, MD MSc MBA FICS FEBS(Em Surg)

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Assistant Professor of Surgery at the Hospital of the University of Pennsylvania
Attending Surgeon and Intensivist, Hospital of the University of Pennsylvania, Penn Presbyterian Medical Center and Pennsylvania Hospital
Senior Fellow, Leonard Davis Institute for Health Economics (LDI), University of Pennsylvania, Philadelphia, PA
Division of Trauma Representative to UPHS Airway Safety Committee, UPHS Airway Safety Committee
Senior Scholar, Center for Perioperative Outcomes Research and Transformation (CPORT) at the University of Pennsylvania
Director, Penn Trauma International Program, Division of Traumatology, Surgical Critical Care and Emergency Surgery, Department of Surgery
Associate Fellow, Center for Clinical Epidemiology and Biostatistics (CCEB) at the University of Pennsylvania
Director, Center for Emergency Surgical Outcomes Research (CESOR)
Faculty Search Advisor, University of Pennsylvania, Perelman School of Medicine, Department of Surgery
Medical Director, Trauma Surgical Intensive Care Unit (TSICU), Penn Presbyterian Medical Center
Program Director, Surgical Critical Care Fellowship (ACGME), University of Pennsylvania
Department: Surgery
Contact information
Division of Traumatology, Emergency Surgery & Surgical Critical Care
Penn Presbyterian Medical Center
51 N 39th Street; Mailbox 118
Philadelphia, PA 19104
Office: 215-662-8819
Fax: 215-243-4679
Email: gary.bass@pennmedicine.upenn.edu
Publications

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Links
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Education
BSc (Physiology)
University College Dublin, Dublin, Ireland, 2001.
 MSc (Physiology )
University College Dublin, Dublin, Ireland, 2005.
 MD (Medicine)
Royal College of Surgeons in Ireland, Dublin, Ireland, 2008.
 PgDip (Trauma Sciences)
Queen Mary, University of London, London, United Kingdom, 2016.
 PGCert (Healthcare Management)
University College Dublin, Dublin, Ireland, 2017.
 eMBA (Business Administration)
Quantic School of Business, Washington, DC, 2019.
 CCEB (Clinical Epidemiology and Biostatistics)
University of Pennsylvania, Philadelphia, PA, 2021.
 PhD (Surgical Sciences)
Orebro University, Orebro, Sweden, 2024.
Permanent link
 
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Description of Clinical Expertise

Surgical Critical Care, Emergency General Surgery, and Trauma Surgery

Description of Other Expertise

Google Scholar List of Publications: https://scholar.google.com/citations?hl=en&user=qjKBYO0AAAAJ&view_op=list_works&sortby=pubdate

Description of Research Expertise

Prospective multi-center observational cohort studies, randomized control trials and retrospective surgical outcomes observational studies in Emergency General Surgery, Surgical Critical Care and Trauma Surgery. Causal Inferential Methods. Clinical Epidemiology. Leveraging targeted trial emulation surgical outcomes research, as it intersects with mixed-methods implementation science to better inform data-driven clinician decision support and patient outcomes.

Selected Publications

Duffy CC, Ziemba JB, Karasek P, Bass GA.: Collaborative safety: The impact of patient and caregiver engagement in perioperative care. PEC Innov 9: 100494, Jul 2026.

 Santos Carlin P, Bele P, Culkin M, Coons M, Kauffman A, Martinez-Quiñonez P, Georges A, Kaplan LJ, Johnson V, Meaney D, Smith DH, Bass GA, Pascual JL.: Sex Influences Penumbral Leukocyte Mobilization after Severe TBI. Neurocrit Care Jul 2026.

 Duffy CC, Kim H, Weber D, Baji D, Bass GA, Atkins JH, Williams N, Dumon K.: Development and Evaluation of a Virtual Reality Module for Emergency Front-of-Neck Access Training. Simul Healthc Jul 2026.

 Coccolini F, Cicuttin E, Chirica M, Reva V, Coimbra R, Sartelli M, Isik A, Biffl WL, Cremonini C, Colli A, Besola L, Mariani D, Kluger Y, Ceresoli M, Kurihara H, Cimino M, Moore EE, Kessel B, Horer T, Ferrada P, Kirkpatrick AW, Pikoulis M, Catena F, Bass G; Pisa, Italy.: The extended postoperative complication score: A dual-axis reporting plan for general surgery. J Trauma Acute Care Surg 101: 324-330, May 2026.

 Ng WH, Bath MF, Amoako J, Kohler K, Baderhabusha DU, Cáceres E, Nuño-Guzmán CM, Moonesinghe R, Hobbs L, Smith BG, Weiser TG, Hardcastle TC, Perkins ZB, Bashford T; GOAL-Trauma Collaborative.: Use of pre-operative blood products in abdominal trauma: a planned secondary analysis of the GOAL-trauma study. EClinicalMedicine 93: 103814, Mar 2026.

 Bath MF, Amoako J, Edmiston T, Ratnayake AS, Kabatoro D, Bagaria D, Menon R, Wohlgemut JM, Hobbs L, Smith BG, Nuño-Guzmán CM, Vélez SE, Brennan R, Conway Morris A, Hardcastle TC, Weiser T, Bashford T; Global Trauma Care Delphi Collaborative; Global Trauma Care Delphi.: Defining the bellwether procedures and processes for global trauma care: an international Delphi study. BMJ Glob Health 11: e020909, Feb 2026.

 Ekestubbe L, Forssten MP, Forssten SP, Bass GA, AlHussaini Y, Mohseni S.: Techniques for Mesoappendix Division and Appendiceal Stump Closure: A Comparative Review. Am Surg Feb 2026.

 NIHR Global Health Research Unit on Global Surgery.: 30-day postoperative mortality and the effects of hospital preparedness during the COVID-19 pandemic: a pooled analysis of prospective international cohort studies. Lancet Reg Health Eur 62: 101566, Jan 2026.

 Santos Carlin P, Kaplan LJ, Katz E, Kauffman A, Coons M, Bele P, Culkin M, Georges A, Augustin D, Meaney D, Smith D, Bass GA, Pascual JL.: TXA after severe TBI: Learning and memory benefits are prominent only in males. J Trauma Acute Care Surg 100: 739-746, Jan 2026.

 Bass GA, McLaughlin CJ, Kaplan LJ, Lee MJ.: Dogma, data, and decision-making: a history of treatment for small-bowel obstruction. World J Emerg Surg 21: 7, Jan 2026.
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Last updated: 08/26/2026
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