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BACKGROUND

Coagulopathy is a major determinant of disability and death in patients with traumatic intracranial hemorrhage. However, the correlation between coagulopathy defined by routine coagulation tests and clinical outcomes in traumatic brain injury (TBI) is not well defined. The aim of our study was to determine the effect of coagulopathy diagnosed by routine laboratory tests on outcomes in TBI patients.

METHODS

We performed a retrospective cohort analysis of all isolated TBI patients exclusive of prehospital antiplatelet and anticoagulants with coagulation tests, namely, international normalized ratio (INR), platelet count, and partial thromboplastin time at admission. We defined coagulopathy by an INR of 1.5 or greater, partial thromboplastin time of 35 or greater, or platelet count of 100× 10 3/µL or less. Outcome measures were progression on repeat head computed tomography (RHCT), need for …