Objective: To investingate the method, efficacy and safety of percutaneous transluminal angioplasty and stenting (PTAS) for the treatment of neck and cranial artery stenosis.

• 摘要目的：探讨头颈部动脉狭窄性疾病应用腔内成形及支架植入术治疗的方法、疗效和安全性。