Bare -Metal Stents and Drug -Eluting Stents in the Treatment of Patients With Vertebral Artery Ostium Stenosis

Recruiting

Phase N/A Results N/A

Eligibility Criteria

Inclusion Criteria

- symptomatic posterior circulation ischemia including monor stroke (mRS ≤2) or TIA result from the stenosis in the vertebral artery ostium.
70% to 99% stenosis of vertebral artery ostium.

Exclusion Criteria

- etiology of stenotic lesions not atherosclerosis patients had undergone previos interventions on the vertebral artery ostium ipsilateral severe stenotic lesions in subclavian artery involved as well as vertebral artery ostium