• Matthew N Marturano, Ahsan R Khan, Paige DeBlieux, Huaping Wang, Samuel W Ross, Kyle W Cunningham, Ronald F Sing, and Bradley W Thomas.
• Division of Acute Care Surgery, Department of Surgery, Atrium Health Carolinas Medical Center, Charlotte NC, USA.
• Injury. 2023 May 1; 54 (5): 135613611356-1361.

BackgroundThe purpose of this study was to evaluate the safety and efficacy of early venous thromboembolism (VTE) chemoprophylaxis following blunt solid organ injury.MethodsA retrospective review of patients was performed for patients with blunt solid organ injury between 2009-2019. Enoxaparin was initiated when patients had <1g/dl Hemoglobin decline over a 24 h period. These patients were then categorized by initiation: ≤48 h and >48 h.ResultsThere were 653 patients: 328 (50.2%) <48 h and 325 (49.8%) ≥48 h. Twenty-nine (4.4%) developed VTE. Patients in ≥48 h group suffered more frequent VTE events (6.5% vs 2.4%, p = 0.021). Non-operative failure occurred in 6 patients (1.9%) in ≥48 h group, and 5 patients (1.5%) < 48 h group. Blood transfusion following chemophrophylaxis initiation was required in 69 (21.3%) in ≥48 h group, and 46 (14.0%) in < 48 h group, occurring similarly between groups (p=0.021).ConclusionStable hemoglobin in the first 24 h is an efficacious, objective measure that allows early initiation of VTE chemoprophylaxis in solid organ injury. This practice is associated with earlier initiation of and fewer VTE events.Copyright © 2022 Elsevier Ltd. All rights reserved.

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