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Incidence of Coagulopathy After Resuscitation at a Role 1 Facility: The Prehospital Trauma Registry Experience

Summer 2024

Inman BL, Long BJ, April MD, Fisher AD, Rizzo JA, Schauer S. 24(2). 61 - 66. (Journal Article)

Abstract

Background: The development of acute traumatic coagulopathy is associated with increased mortality and morbidity in patients with battlefield traumatic injuries. Currently, the incidence of acute traumatic coagulopathy in the Role 1 setting is unclear. Methods: We queried the Prehospital Trauma Registry (PHTR) module of the Department of Defense Trauma Registry (DoDTR) for all encounters from inception through May 2019. The PHTR captures data on Role 1 prehospital care. Data from the PHTR was linked to the DoDTR to analyze laboratory data and patient outcomes using descriptive statistics. We defined coagulopathy as an international normalized ratio (INR) of ≥1.5 or platelet count ≤150×109/L. Results: A total of 595 patients met the inclusion criteria; 36% (212) met our definition for coagulopathy, with 31% (185) carrying low platelet numbers, 11% (68) showing an elevated INR, and 7% (41) with both. The baseline (no coagulopathy) cohort had a mean INR of 1.10 (95% CI 1.09-1.12) versus 1.38 (95% CI 1.33-1.43) in the coagulopathic cohort. The mean platelet count was 218 (95% CI 213-223) ×109/L in the baseline cohort versus 117 (95% CI 110-125) ×109/L in the coagulopathic cohort. Conclusions: Our findings indicate a high incidence of coagulopathy in trauma patients. Approximately one-third of wounded patients had laboratory evidence of coagulopathy upon presentation to a forward medical care facility. Advanced diagnostic facilities are therefore needed to facilitate early diagnosis of acute traumatic coagulopathy. Blood products with a long shelf life can aid in early correction.

Keywords: prehospital; trauma; coagulopathy; coagulation; military

PMID: 38801744

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