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Erschienen in:
09.11.2020 | Original Scientific Report
A Systems-based Approach to Reduce Deep Venous Thrombosis and Pulmonary Embolism in Trauma Patients
Erschienen in: World Journal of Surgery | Ausgabe 3/2021
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Background
Venous thromboembolism (VTE) in trauma patients carries significant morbidity and mortality. We previously described how titrating enoxaparin dosing by anti-Xa trough levels was associated with a lower VTE rate. We combined this strategy with a higher initial enoxaparin dose for a majority of patients and modified the electronic medical record (EMR) to encourage immediate dosing. We sought to determine if this systems-based approach was associated with a decrease in VTE rate.
Study Design
A retrospective review was conducted of all trauma patients on prophylactic enoxaparin at an academic, Level I Trauma Center from 01/2013 to 05/2014 (PRE) and 06/2015 to 02/2018 (POST). The patients in PRE were prescribed enoxaparin 30 mg twice daily without dose adjustments. The patients in POST received 40 mg twice daily unless exclusion criteria applied, with doses titrated to maintain anti-Xa trough levels between 0.1 and 0.2 IU/mL.
Results
There were 478 patients in the PRE and 1306 in the POST. Compared to PRE, POST patients were of similar age and were as likely to present after blunt trauma, although POST patients had lower injury severity scores (10 vs. 9, p < 0.01). The overall VTE rate was lower in POST (6.9% vs. 3.6%, p < 0.01). The adjusted risk of VTE (AOR 0.61, adjusted p = 0.04) was lower in POST and POST was independently protective for VTE (AOR 0.54; p = 0.01).
Conclusion
By implementing system changes to improve enoxaparin dosing after trauma, a significant reduction in VTE rate was observed. Wider application of this strategy should be considered.