Cerebral vasospasm: a review of current developments in drug therapy and research

Introduction Definitions and characteristics of cerebral vasospasm Cerebral vasospasm is a condition of morphologic narrowing of cerebral arteries that is most commonly seen following aneurysmal subarachnoid haemorrhage (SAH) [1,2], but may also follow other intracranial hemorrhages, like intraventricular haemorrhage from arteriovenous malformations (AVM) [3], SAH of unknown etiology [4], traumatic brain