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Pathophysiological Response to Trauma-Induced Coagulopathy: A Comprehensive Review
Patricia Duque1, Lidia Mora2, Jerrold H Levy3
1From the Anesthesiology and Critical Care Department, Gregorio Marañon Hospital, Madrid, Spain.
Anesthesia and Analgesia
|October 22, 2019
Summary
Severe trauma can cause hypercoagulability or hypocoagulability, both increasing mortality risk. Understanding these dynamic shifts in clotting is crucial for managing trauma patients effectively.
Area of Science:
- Trauma and Hemostasis
- Coagulation Disorders
- Critical Care Medicine
Background:
- Severe tissue injury can lead to hypercoagulability via tissue factor exposure and impaired tissue plasminogen activator (tPA) release.
- Shock and hypoperfusion promote a hypocoagulable and hyperfibrinolytic state, increasing bleeding risk.
- Both thrombotic and bleeding complications in trauma are linked to higher mortality rates.
Purpose of the Study:
- To review the complex hemostatic responses following severe trauma.
- To explore the dynamic shifts between procoagulant and hypocoagulable states.
- To consider future management strategies for severely injured trauma patients.
Main Methods:
- Review of existing literature on trauma-induced coagulopathy.
- Analysis of factors influencing hemostatic balance, including injury severity and shock.
- Discussion of treatment implications and future research directions.
Main Results:
- Hypercoagulability and hypocoagulability represent distinct, yet dynamic, responses to severe injury.
- The balance between thrombosis and bleeding is influenced by injury pattern, treatment, and individual patient factors.
- Mortality is increased in both thrombotic and bleeding phenotypes.
Conclusions:
- Trauma response involves complex, dynamic hemostatic shifts.
- Management strategies must account for the potential to transition between bleeding and clotting risks.
- Further research is needed to optimize hemostatic management in severely injured patients.
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