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Related Experiment Videos

Cervical collar-induced changes in intracranial pressure.

J C Kolb1, R L Summers, R L Galli

  • 1University of Mississippi Medical Center, Jackson 39216, USA.

The American Journal of Emergency Medicine
|April 2, 1999
PubMed
Summary

A rigid cervical collar significantly increased cerebrospinal fluid pressure (CSFP) in trauma patients undergoing lumbar puncture. This small rise in intracranial pressure may be critical for those with pre-existing elevated pressure.

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Area of Science:

  • Neurology
  • Trauma Care
  • Neurosurgery

Background:

  • Cervical collars are standard for acute head trauma.
  • Their impact on intracranial pressure remains unclear.
  • Understanding this effect is crucial for patient management.

Purpose of the Study:

  • To prospectively assess the effect of a rigid Philadelphia cervical collar on cerebrospinal fluid pressure (CSFP).
  • To determine if collar application alters intracranial pressure measurements in adult patients.

Main Methods:

  • Prospective study involving 20 adult patients.
  • Measurement of CSFP before and after rigid Philadelphia collar application.
  • Patients underwent lumbar puncture for CSFP monitoring.

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Main Results:

  • Mean CSFP increased from 176.8 mm H2O to 201.5 mm H2O after collar placement.
  • This statistically significant increase (P = .001) averaged 24.8 mm H2O.
  • The clinical significance of this increment is uncertain but potentially important.

Conclusions:

  • Rigid cervical collar application causes a statistically significant increase in CSFP.
  • This pressure elevation, though small, may pose risks for patients with already elevated intracranial pressure.
  • Further research is needed to establish clinical significance and management guidelines.