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Related Experiment Videos

Cerebral vasospasm

B Weir1, L MacDonald

  • 1Section of Neurosurgery, University of California, San Francisco.

Clinical Neurosurgery
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

Early intervention for ruptured aneurysms within 3 days, involving clipping, clot removal, and fibrinolytic agents, is recommended. Subsequent management includes calcium antagonists, fluid balance, and aggressive treatment for delayed ischemic deficits to improve outcomes.

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Area of Science:

  • Neurosurgery
  • Neurology
  • Vascular Surgery

Background:

  • Subarachnoid hemorrhage (SAH) from ruptured aneurysms frequently leads to delayed cerebral ischemia due to vasospasm.
  • Advances in understanding vasospasm pathogenesis offer new therapeutic avenues.

Purpose of the Study:

  • To outline optimal management strategies for patients following subarachnoid hemorrhage.
  • To detail timing-sensitive interventions for aneurysm rupture and vasospasm.

Main Methods:

  • Early surgical clipping and mechanical clot removal within 3 days of rupture.
  • Instillation of fibrinolytic agents and administration of calcium antagonists.
  • Management of delayed ischemic deficits with hypervolemia, hypertension, intra-arterial vasodilators, or angioplasty.

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Main Results:

  • Early treatment (within 3 days) with clipping and clot removal appears to be a standard therapy.
  • Aggressive management of delayed ischemic deficits can mitigate neurological decline.
  • Late referrals (>3 days) with severe vasospasm and unconsciousness carry high risks for surgical intervention.

Conclusions:

  • Timely intervention for ruptured aneurysms is crucial for favorable outcomes.
  • A multi-modal approach addressing vasospasm is essential for managing SAH.
  • Risk-benefit analysis is critical for late-presenting, critically ill patients, potentially favoring endovascular therapies over immediate surgery.