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出血（ＳＡＨ）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。本文收集近年来有关这方面资料作一综述。１　脑血管痉挛发生机理及早期诊断脑血管 In recent years, interventional neuroradiotherapy has made great progress. After ruptured intracranial aneurysm rupture of arachnoid hemorrhage (SAH) caused by cerebral vasospasm after conservative treatment continues to deteriorate, the use of percutaneous angioplasty or intra-arterial infusion of vasodilator and achieved good results. This article collected in recent years in this regard to make a summary of information. Mechanism of cerebral vasospasm and early diagnosis of cerebrovascular disease