动脉瘤性蛛网膜下腔出血(SAH)是一种发病率及死亡率较高的严重疾病。普遍认为,较大脑动脉痉挛所致迟发性脑缺血是始发出血后致死亡和病残的主要原因。许多高危病人各种心脑血管缺血发生的预防中,阿司匹林已显示重要作用,但也可增加出血性卒中的危险。该前瞻性研究包括291名动脉瘤性SAH患 Aneurysmal subarachnoid hemorrhage (SAH) is a serious disease with a high morbidity and mortality. It is generally believed that delayed cerebral ischemia caused by greater cerebral arterial spasm is the main cause of death and disability caused by bleeding. Aspirin has been shown to play an important role in the prevention of various cardiovascular and ischemic attacks in many high-risk patients, but it can also increase the risk of hemorrhagic stroke. This prospective study included 291 patients with aneurysmal SAH