Journal of Nippon Medical School
Online ISSN : 1347-3409
Print ISSN : 1345-4676
ISSN-L : 1345-4676
Case Reports
Effect of Tranexamic Acid for Traumatic Brain Injury: A Case Report
Toru MiikeYuichiro SakamotoSatoshi Inoue
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2020 Volume 87 Issue 4 Pages 227-232

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Abstract

Traumatic brain injury (TBI) often results in coagulopathy, which increases mortality risk. The Clinical Randomization of an Antifibrinolytic in Significant Head injury (CRASH)-2 and CRASH-3 trials confirmed that tranexamic acid (TXA) was effective after trauma. Herein, we report a unique coagulation change in a patient with TBI given TXA after point-of-care assessment. Coagulation functions were impaired on admission. At 1 hour after TXA administration, clotting time was further prolonged in the extrinsic coagulation pathway but shortened in the intrinsic coagulation system. The results of a test of the total thrombus-formation analysis system showed improved blood clot formation ability. Intrinsic coagulation and clot formation improved after TXA administration in a TBI patient with coagulopathy.

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© 2020 by the Medical Association of Nippon Medical School
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