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John Tyler Simpson

Provisional Faculty in the Department of Surgery
Trauma, Acute, and Critical Care Surgery

Current Appointments & Affiliations


Provisional Faculty in the Department of Surgery · 2025 - Present Trauma, Acute, and Critical Care Surgery, Surgery

Recent Publications


Reducing Missed Doses of VTE Prophylaxis.

Journal Article JAMA Surg · December 1, 2025 Full text Link to item Cite

A Retrospective Study of Ultramassive Transfusion in Trauma Patients: Is There a Value After Which Additional Transfusions Are Futile?

Journal Article Anesth Analg · November 1, 2025 BACKGROUND: Hemorrhage is a leading cause of preventable mortality in trauma. During times of blood shortages, it may be prudent to consider a transfusion threshold during massive transfusion after which additional transfusions are futile due to nonsurviva ... Full text Link to item Cite

Time To Tighten Up on Prehospital Tourniquets: An EAST Multicenter Trial of Prehospital Procedures in Penetrating Trauma Shows No Benefit With Current Tourniquet Practices for Extremity Trauma in Urban Settings.

Journal Article Am Surg · October 17, 2025 BackgroundPrehospital tourniquet (PHT) use has become widespread. However, whether it improves outcomes after penetrating proximal extremity trauma in urban settings remains unknown. We hypothesized that PHT improves mortality in this setting.Materials and ... Full text Link to item Cite
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Education, Training & Certifications


Eastern Virginia Medical School · 2018 M.D.