• Armarion Stegall, J Tracy Watson, and Heidi Israel.
• Saint Louis University Hospital, USA. Electronic address: armarionstegall@yahoo.com.
• Injury. 2025 Feb 1; 56 (2): 112143112143.

IntroductionIn the United States, deep vein thrombosis (DVT) and pulmonary embolism (PE) ranked high in terms of possibly preventable hospital deaths. Victims of trauma were at a higher risk of developing thromboembolic complications, and thus various agents were used for prophylaxis. Multiple studies recommended holding these agents in the perioperative period to decrease the potential complications of additional bleeding, wound issues, hematoma etc. However, the data regarding the timing and duration of withholding these agents was not consistent and at times surgeon specific. The aim of this study was to compare the incidence of DVT/PE in trauma patients before and after a June 2022 policy intervention to operate through prophylactic anticoagulation at an academic trauma center.MethodsWe compared DVT/PE rates in trauma patients requiring surgery prior to and following policy change at our institution. The query included charts from January 1, 2018, through December 31, 2023. Clinical information relating to trauma date, surgery date, injury type, anticoagulant administration, DVT/PE development, and death, if applicable, was obtained from patient charts. We conducted a chi-square post hoc analysis to evaluate the incidence of DVT or PE before and after a policy change. The analysis focused on two categories: the presence or absence of DVT/PE.ResultsDVT/PE development was 14.553 times more likely pre-policy change when anticoagulation was held prior to surgery compared to post-policy change when anticoagulation was administered before surgery (X2 (3, N = 374) =14.553, p=.002). Mortality related to DVT/PE showed no significant difference between pre-policy and post-policy groups (X2 (1, N = 374) = 0.130, p = .718). After excluding patients over age 65, analysis of MVA blunt trauma charts showed no statistical difference in blood transfusions pre policy v. post policy (X2 (1, N = 174) = 0.2198, p = .639).ConclusionFindings suggested that DVT/PE rates have significantly decreased post policy change without a significant increase in mortality and bleeding risk.Copyright © 2025 Elsevier Ltd. All rights reserved.

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