Effective use of weight-based enoxaparin for deep vein thrombosis chemoprophylaxis in patients with traumatic brain injury

Ashley Taylor, Patricia Martinez-Quinones, Ellen Huang, Tim Robinson, Cassandra Q. White

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Enoxaparin is the recommended agent for deep vein thrombosis (DVT) chemoprophylaxis in trauma patients. Current literature suggests weight-based dosing is superior to standard dosing for adequate chemoprophylaxis. Literature regarding the use of weight-based enoxaparin in the setting of traumatic brain injury (TBI) however is limited. Methods: A retrospective analysis of adult trauma patients admitted between January 1, 2018 to February 28, 2019 was performed. Sixty-six patients with TBI receiving weight-based enoxaparin met inclusion criteria. Incidence of intracranial hemorrhage (ICH) expansion was the primary endpoint. Newly diagnosed venous thromboembolism (VTE) and death were secondary endpoints. Results: Two patients, out of sixty-six, had progression of their TBI requiring surgical intervention. Newly diagnosed VTE occurred in one patient. No deaths were due to ICH expansion or VTE. Conclusions: Use of weight-based enoxaparin dosing in the setting of TBI shows promise without an increased incidence of ICH expansion when compared to other studies. Level of Evidence and Study Type: Level IV, Therapeutic.

Keywords

  • Anti-factor xa
  • Chemoprophylaxis
  • Traumatic brain injury
  • Venous thromboembolism
  • Weight-based enoxaparin

ASJC Scopus subject areas

  • Surgery

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