动脉瘤性蛛网膜下腔出血(a SAH)后合并脑血管动脉痉挛(CVS)临床十分常见,发病率达70%~90%。本研究将磁共振成像(MRI)与DSA相结合,对蛛网膜下腔出血后脑血管痉挛脑血流动力学进行评估。1资料与方法1.1研究对象选择2014年1月至12月本院神经外科治疗的因动脉瘤破裂而导致的蛛网膜下腔出血患者40例,男20例,女20例,平均年龄(54.8±11.2) Aneurysmal subarachnoid hemorrhage (a SAH) after the merger of cerebrovascular arterial spasm (CVS) is very common, the incidence of 70% to 90%. This study combined magnetic resonance imaging (MRI) with DSA to assess cerebral hemodynamics after cerebral vasospasm following subarachnoid hemorrhage. 1 Materials and Methods 1.1 Subjects 40 cases of subarachnoid hemorrhage caused by aneurysm rupture in our hospital from January to December 2014, 20 males and 20 females, with an average age of 54.8 ± 11.2)