脑血管病是一种常见病。美国和英国急性脑血管病的发生率是1.8～2人/1,000人/年,70～90％为闭塞性,其余为出血性脑血管病。脑缺血病的临床表现为短暂脑缺血发作(TIA),可逆性缺血性神经功能缺失(RIND),进展性卒中(SE)和完全性卒中(CS)。对这类疾病,药物治疗效果不可靠,外科治疗如颈部颈内动脉内膜剥离术和动脉成形术可改善脑血 Cerebrovascular disease is a common disease. The United States and the United Kingdom the incidence of acute cerebrovascular disease is 1.8 to 2 people / 1,000 people / year, 70 to 90% of occlusive, the rest of hemorrhagic cerebrovascular disease. The clinical manifestations of ischemic stroke are transient ischemic attack (TIA), reversible ischemic neurological deficit (RIND), progressive stroke (SE), and complete stroke (CS). For these diseases, drug treatment is not reliable, surgical treatment such as neck carotid endarterectomy and angioplasty can improve cerebral blood