Recurrent strokes due to occlusive disease of extracranial vessels.
D001488:Basilar Artery; D002341:Carotid Artery Thrombosis / Q000150:complications* / Q000601:surgery; D002533:Cerebral Angiography; D002561:Cerebrovascular Disorders / Q000209:etiology* / Q000601:surgery; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D007839:Functional Laterality; D006801:Humans; D008297:Male; D008875:Middle Aged; D014711:Vertebral Artery