• Elan Jeremitsky, Natasha St Germain, Amy H Kao, Adrian W Ong, and R Stephen Smith.
• Department of Surgery, Allegheny General Hospital, Pittsburgh, PA. Electronic address: ejeremit@wpahs.org.
• Surgery. 2013 Oct 1; 154 (4): 810-4; discussion 814-5.

IntroductionPatients with traumatic brain injury (TBI) are assumed to be at an increased risk for pulmonary embolism (PE). Delay in the initiation of chemoprophylaxis and prophylactic placement of inferior vena cava filters have been advocated by some because of concerns for increased intracranial hemorrhage in the presence of prophylactic anticoagulation. We hypothesized that patients with isolated TBI would not be at increased risk for the development of PE compared with the general trauma population.MethodsPatients from the National Trauma Data Bank from the year 2008 were analyzed. Patient demographics, Injury Severity Score, and the prevalence of deep-vein thrombosis and PE were extracted. Studied injuries were assigned to six categories: thorax, abdominal solid organs, pelvic fracture, lower extremity fracture, spine fracture, and TBI.ResultsOf a total of 627,775 injured patients, 2,182 (0.35%) had a documented PE. The prevalence of PE in patients with isolated TBI, lower extremity, pelvic fracture, liver and/or spleen, thorax, spine, multiple injuries, and none of the studied injuries were 0.25%, 0.36%, 0.35%, 0.37%, 0.52%, 0.37%, 1.1%, and 0.12%, respectively. Using an age-, sex- and race-adjusted multivariable logistic regression model and controlling for interaction between inferior vena cava filters and injury types, we found that isolated TBI was not associated with PE.ConclusionIsolated TBI does not appear to be associated with an increased incidence of PE compared with other injuries. Patients with isolated TBI may not require early aggressive prophylaxis as is the standard for other high-risk groups.Copyright © 2013 Mosby, Inc. All rights reserved.

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