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Updated: May 25, 2026
04:56
Determination of the Procoagulant Activity of Extracellular Vesicle (EV) Using EV-Activated Clotting Time (EV-ACT)
Published on: August 4, 2023
Coagulopathy after traumatic brain injury.
Mathieu Laroche1, Matthew E Kutcher, Michael C Huang
1Department of Neurological Surgery, University of California, San Francisco, California 94110, USA.
Neurosurgery
|February 7, 2012
Summary
Traumatic brain injury (TBI) causes complex coagulopathy, leading to bleeding or clotting. Understanding TBI
Area of Science:
- Neurotrauma
- Hematology
- Coagulation Science
Background:
- Traumatic brain injury (TBI) is linked to abnormal coagulation.
- The mechanisms driving TBI-associated coagulopathy remain unclear.
- Coagulopathy in TBI can manifest as hypercoagulable or hypocoagulable states, increasing secondary injury risk.
Purpose of the Study:
- To review current knowledge on TBI-induced coagulopathy mechanisms.
- To explore diagnostic tools, radiological findings, and treatment options for TBI-related coagulopathy.
Main Methods:
- Literature review of studies on blunt traumatic brain injury.
- Synthesis of proposed mechanisms including tissue factor release, DIC, hyperfibrinolysis, hypoperfusion, and platelet dysfunction.
- Discussion of diagnostic and therapeutic strategies.
Main Results:
- TBI-induced coagulopathy involves multiple complex mechanisms.
- Hypotheses include tissue factor release, disseminated intravascular coagulation (DIC), hyperfibrinolysis, hypoperfusion with protein C activation, and platelet dysfunction.
- Diagnosis and management are challenging due to incomplete mechanistic understanding.
Conclusions:
- Further research is needed to elucidate TBI coagulopathy mechanisms.
- Improved understanding will aid in developing targeted diagnostic and treatment strategies.
- Effective management of TBI coagulopathy requires addressing its multifaceted nature.
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