to determine whether bypass surgery would benefit patients with symptomatic atherosclerotic disease of the internal carotid artery , we studied 1377 patients with recent hemisphere strokes , retinal infarction , or transient ischemic attacks who had atherosclerotic narrowing or occlusion of the ipsilateral internal carotid or middle cerebral artery .
C0038454
strokes
C0007787
transient ischemic