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Brain death and intraocular pressure.

W Blank1, A Spring

  • 1Neurosurgical Clinic of the Leopoldina Hospital, Schweinfurt, West Germany.

Neurosurgical Review
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Severe head injury can lead to changes in intraocular pressure. Normal intraocular pressure indicates survival, while hypotony suggests brain death in head injury patients.

Area of Science:

  • Ophthalmology
  • Neurology
  • Critical Care Medicine

Background:

  • Severe head injury poses significant risks to patient outcomes.
  • Intraocular pressure (IOP) monitoring is a potential indicator in critical care.
  • The relationship between IOP and neurological outcome after severe head injury requires further elucidation.

Purpose of the Study:

  • To investigate the behavior of intraocular pressure in patients with severe head injury.
  • To determine if intraocular pressure can serve as a prognostic indicator for survival or brain death.

Main Methods:

  • Observational study of 20 patients with severe head injury.
  • Monitoring of intraocular pressure (IOP) in all patients.
  • Correlation of IOP measurements with patient survival and neurological status.

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Main Results:

  • Eight patients maintained normal intraocular pressure and survived.
  • Twelve patients developed intraocular hypotony (low IOP) and were declared brain dead.
  • Fundus ischemia was observed in most brain-dead patients, though optic disc edema was absent.

Conclusions:

  • Normal intraocular pressure is associated with survival after severe head injury.
  • Intraocular hypotony is a strong predictor of brain death in this patient cohort.
  • Ocular findings like fundus ischemia may accompany brain death in severe head injury.