A Review on Injury Mechanism of Intracerebral Hemorrhage in Vehicle Accidents

Fan Li1, Honggeng Li2, Zhi Xiao3

  • 1Arts et Metiers, ParisTech, Paris. France.

Insights

Vehicle accidents frequently cause intracerebral hemorrhage. This study surveys injury mechanisms like contusion, subarachnoid hemorrhage (SAH), subdural hematoma (SDH), and diffuse axonal injury (DAI), identifying key biomechanical factors.

Area of Science:

  • Biomechanics
  • Trauma research
  • Neuroscience

Background:

  • Intracerebral hemorrhage is a common injury in vehicle accidents.
  • Understanding the mechanisms of head trauma is critical for prevention and treatment.
  • This paper focuses on contusion, SAH, SDH, and DAI resulting from vehicular incidents.

Purpose of the Study:

  • To survey the injury mechanisms of intracerebral hemorrhage in vehicle accidents.
  • To provide an overview of biomechanical factors contributing to these injuries.
  • To consolidate current knowledge on head trauma in vehicular collisions.

Main Methods:

  • Review of published biomechanical studies on intracerebral hemorrhage.
  • Analysis of data from animal tests, cadaver tests, and accident investigations.
  • Inclusion of numerical simulation studies for mechanism analysis.

Main Results:

  • Angular velocity and acceleration are primary causes of diffuse axonal injury (DAI).
  • Elevated intracranial pressure is a key factor in coup/contrecoup contusions.
  • Shear stress and strain lead to bridging vein rupture, causing subdural hematoma (SDH) and subarachnoid hemorrhage (SAH).

Conclusions:

  • The injury mechanisms of intracerebral hemorrhage in vehicle accidents are complex and multifactorial.
  • Further research is needed, particularly concerning head injuries in children.
  • Continued biomechanical investigation is essential for advancing trauma care.
Abstract

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