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Related Experiment Videos

[Chronic subdural hematoma as a cause for blindness].

L Russegger1, J J Langmayr, K Twerdy

  • 1Univ.-Klinik für Neurochirurgie, Innsbruck.

Neurochirurgia
|November 1, 1992
PubMed
Summary

A rare case of blindness after neurosurgery for chronic subdural hematoma is presented. Altered optic nerve blood flow during intracranial pressure changes likely caused optic atrophy and vision loss.

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Area of Science:

  • Neurosurgery
  • Ophthalmology
  • Neurology

Background:

  • Chronic subdural hematoma can cause increased intracranial pressure.
  • Decompressive neurosurgery is performed to relieve this pressure.
  • Papilledema, or optic nerve swelling, can occur with elevated intracranial pressure.

Observation:

  • A 51-year-old patient developed bilateral blindness after surgery for a traumatic chronic subdural hematoma.
  • The blindness occurred following a significant drop in intracranial pressure during the procedure.

Findings:

  • The proposed cause of blindness is altered vasoregulation of the optic nerves.
  • This disruption is linked to the rapid decrease in intracranial pressure after papilledema.
  • Optic atrophy and subsequent amaurosis (blindness) are the resulting conditions.

Implications:

  • This case highlights an uncommon but severe complication of decompressive neurosurgery.
  • Understanding the pathophysiology of optic nerve vascular changes is crucial.
  • It underscores the importance of considering the impact on vision during neurosurgical interventions for intracranial pressure management.

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