Stroke is the third leading cause of death and the leading cause of disability in contemporary society. Aneurysmal subarachnoid
hemorrhage (aSAH) is a hemorrhagic stroke which accounts for 7% of all stroke cases and 22 to 25% of cerebrovascular deaths.
Aneurysmal subarachnoid hemorrhage is a very complex disease and many controversies on its pathophysiology and management have
not yet been settled. The aim of this review is to present the most recent evidence-based advances in the pathophysiology and perioperative
management of aSAH.
Keywords: Subarachnoid hemorrhage, vasospasm, stroke, delayed neurologic deficits.
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