Objective To find out the follow-up results of early in-stent restenosis (ISRS) and develop effective way to improve clinical treatment and precaution of restenosis.

• 目的分析颈动脉支架成形术(CAS)后发生再狭窄的早期随访结果,为临床治疗和预防术后支架内再狭窄(ISRS)提供依据。