缺血性脑血管病是中老年人最常见的神经系统疾病,其致残率和死亡率较高,而颈动脉狭窄及栓子脱落是导致脑梗塞的重要原因。因此,治疗颈动脉狭窄对于预防脑卒中具有重要意义。大量临床研究[1~3]证实,颈动脉内膜切除术、经皮腔内支架成形术及颈动脉支架置入术可有效预防脑卒中并降 Ischemic cerebrovascular disease is the most common neurological diseases in the elderly, its morbidity and mortality is higher, and carotid stenosis and embolism is the leading cause of cerebral infarction. Therefore, the treatment of carotid artery stenosis for the prevention of stroke is of great significance. A large number of clinical studies [1 ~ 3] confirmed that carotid endarterectomy, percutaneous transluminal stenting and carotid artery stenting can effectively prevent stroke and reduce