近年来,介入神经放射治疗有了很大发展。对颅内动脉瘤破裂后蛛网膜下腔出血所致脑血管痉挛经保守治疗后病情仍继续恶化者,采用经皮血管成形术或动脉内灌注血管扩张剂,取得了较好疗效。1 脑血管痉挛发生机理及早期诊断 脑血管痉挛是动脉瘤性蛛网膜下腔出血病人致死和致残的主要原因之一,也是动脉瘤术后的常见并发症。目前认为脑血管痉挛这一概念的含义包括:①脑血管造影见一条或多条脑底部大血管的管 In recent years, interventional neuroradiotherapy has made great progress. After ruptured intracranial aneurysm ruptured subarachnoid hemorrhage caused by cerebral vasospasm after conservative treatment continues to worsen who percutaneous angioplasty or intra-arterial infusion of vasodilators, and achieved good results. The pathogenesis of cerebral vasospasm and early diagnosis of cerebral vasospasm is one of the major causes of death and disability in patients with aneurysmal subarachnoid hemorrhage and is also a common complication after aneurysm surgery. At present, the concept of cerebral vasospasm that includes the meaning: ① cerebral angiography to see one or more large blood vessels at the bottom of the brain tube