Blood Coagulation – Pubmed

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High Rate of Fibrinolytic Shutdown and Venous Thromboembolism in Patients With Severe Pelvic Fracture.

J Surg Res. 2020 02;246:182-189

Authors: Nelson JT, Coleman JR, Carmichael H, Mauffrey C, Vintimilla DR, Samuels JM, Sauaia A, Moore EE

BACKGROUND: Trauma patients with pelvic fractures have a high rate of venous thromboembolism (VTEs). The reason for this high rate is unknown. We hypothesize that fibrinolysis shutdown (SD) predicts VTE in patients with severe pelvic fracture.
METHODS: Retrospective chart review of trauma patients who presented with pelvic fracture from 2007 to 2017 was performed. Inclusion criteria were injury severity score > 15, abdomen/pelvis abbreviated injury scale >/= 3, blunt mechanism, admission citrated rapid thrombelastography (TEG). Fibrinolytic phenotypes were defined by fibrinolysis on citrated rapid TEG as hyperfibrinolysis, physiologic lysis, and SD. Univariate analysis of TEG measurements and clinical outcomes, followed by multivariable logistic regression (MV) with stepwise selection, was performed.
RESULTS: Overall, 210 patients were included. Most patients (59%) presented in fibrinolytic shutdown. VTE incidence was 11%. There were no significant differences in fibrinolytic phenotypes or other TEG measurements between those who developed VTE and those who did not. There was a higher rate of VTE in patients who underwent pelvic external fixation or resuscitative thoracotomy. On MV, pelvic fixation and resuscitative thoracotomy were independent predictors of VTE.
CONCLUSIONS: In severely injured patients with pelvic fractures, there was a high rate of VTE and the majority presented in SD. However, we were unable to correlate initial SD with VTE. Ultimately, the high rate of VTE in this patient population supports the concept of implementing VTE chemoprophylaxis measures as soon as hemostasis is achieved.

PMID: 31593862 [PubMed - indexed for MEDLINE]

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