Endarterectomy vs Stenting Asymptomatic Carotid stenosis patients to verify the efficacy and safety.Study Design is a prospective, multiple center, randomized controlled trail.600 cases enrollment predict，each group including carotid artery stenting and carotid endarterectomy 300 cases.Follow-up period of 2 years.
Endarterectomy vs Stenting Asymptomatic Carotid stenosis patients to verify the efficacy and safety.