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ACR Appropriateness Criteria Head Trauma.

Vilaas S Shetty1, Martin N Reis2, Joseph M Aulino3

  • 1St Louis University Hospital, St Louis, Missouri.

Journal of the American College of Radiology : JACR
|June 5, 2016
PubMed
Summary

Neuroimaging guidelines help determine head trauma patient management. Noncontrast head CT is recommended for acute head injuries, while MRI is preferred for chronic cases, guiding optimal diagnostic imaging selection.

Keywords:
Appropriateness Criteriacerebrospinal fluid leakhead traumaneuroimagingtraumatic brain injuryvascular

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Area of Science:

  • Radiology
  • Neurology
  • Medical Imaging

Background:

  • Neuroimaging is crucial for managing head trauma.
  • Guidelines exist to identify patients who can avoid neuroimaging.
  • Appropriateness criteria guide imaging decisions.

Purpose of the Study:

  • To outline appropriate neuroimaging strategies for head trauma.
  • To detail the roles of CT and MRI in different phases of traumatic brain injury.
  • To specify imaging modalities for suspected vascular injury and CSF leaks.

Main Methods:

  • Review of evidence-based guidelines, specifically the ACR Appropriateness Criteria.
  • Analysis of current medical literature from peer-reviewed journals.
  • Application of a modified Delphi consensus methodology by a multidisciplinary expert panel.

Main Results:

  • Noncontrast head CT is the primary choice for acute closed head injuries (mild to severe).
  • MRI is preferred for subacute to chronic traumatic brain injury, with CT having a complementary role.
  • CT angiography/venography or MR angiography/venography are indicated for suspected vascular injury.
  • High-resolution noncontrast skull base CT is recommended for suspected CSF leaks.

Conclusions:

  • Neuroimaging selection for head trauma depends on injury severity and chronicity.
  • CT and MRI have distinct and complementary roles in traumatic brain injury management.
  • Specific advanced imaging techniques are under research but not yet routine.
  • Guidelines provide a framework for appropriate neuroimaging in head trauma patients.