The cerebral vasospasm is the main complication caused by subarachnoid hemorrhage, and may induce the elevation of the intracranial pressure, decrease of the cerebral blood flow and even death.

• 摘要蛛网膜下腔出血的主要并发症是脑血管痉挛，脑血管痉挛可引起颅内压升高、脑血流降低和脑灌注压降低，甚至死亡。