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Perioperative Management of Traumatic Brain Injury-associated Coagulopathy Mariko HAYAMIZU 1 , Takeshi WADA 1 1Department of Emergency and Critical Care Medicine, Hokkaido University Hospital Keyword: traumatic brain injury , coagulopathy , DIC with fibrinolytic phenotype pp.455-462
Published Date 2025/7/10
DOI https://doi.org/10.18916/masui.2025070009
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 Coagulopathy is observed upon admission in approximately one-third of patients with an isolated traumatic brain injury(TBI). In the early phase of such a TBI, the releases of tissue factor and tissue plasminogen activator(t-PA)from brain tissue and the endothelium results in coagulopathy, which is consistent with disseminated intravascular coagulation(DIC)with a fibrinolytic phenotype. Randomized controlled trials have demonstrated the efficacy of tranexamic acid for the treatment of hyperfibrinolysis and reducing mortality in TBI. Fibrinogen levels decrease immediately after a TBI, and a rapid correction of fibrinogen is essential for achieving hemostasis. Although an optimal hemoglobin(Hb)level for TBI patients has not been established, Hb>9.0 g/dL is often applied as a criterion to avoid secondary brain damage. It is essential to reverse the effects of anticoagulants by using specific reversal agents and blood products before an emergency craniotomy is performed. Optimal perioperative management based on an understanding of coagulation and changes in coagulation and fibrinolysis after a TBI is crucial to mitigate secondary brain injury and improve patient outcomes.


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電子版ISSN 印刷版ISSN 0021-4892 克誠堂出版

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