[Massive hemorrhage and mechanisms of coagulopathy in trauma]

N Popović1, Z Blagojević, V Nikolić

  • 1Institut za anesteziju KCS, Beograd.

Insights

Trauma-induced coagulopathy, a complex condition in young adults, significantly increases mortality due to uncontrolled bleeding. Understanding its pathophysiology is crucial for effective trauma patient management.

Area of Science:

  • Trauma and Emergency Medicine
  • Hematology and Coagulation Disorders

Context:

  • Trauma disproportionately affects young adults (15-40 years).
  • Massive bleeding is a primary cause of early mortality in trauma patients.
  • Coagulopathy is prevalent (25-36%) upon emergency department admission, correlating with trauma severity and mortality risk.

Purpose:

  • To elucidate the complex pathophysiology of coagulopathy development in trauma patients.
  • To detail the multifactorial nature of trauma-induced coagulopathy.

Summary:

  • Trauma-induced coagulopathy involves multiple factors including dilutional coagulopathy, hypothermia, acidosis, hyperfibrinolysis, anemia, and consumption coagulopathy.
  • The 'lethal triad' (hypothermia, acidosis, coagulopathy) complicates hemorrhage control, rendering surgical interventions potentially insufficient.
  • Non-mechanical bleeding from small vessels becomes life-threatening when spontaneous coagulation fails.

Impact:

  • Highlights the critical need for early recognition and management of coagulopathy in trauma.
  • Emphasizes that addressing the 'lethal triad' is essential for improving survival rates in severe trauma.
  • Provides foundational knowledge for developing targeted therapeutic strategies for trauma-induced bleeding disorders.

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