[Clinical study on ischemic cerebrovascular diseases in the aged].
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging; D001921:Brain / Q000000981:diagnostic imaging; D002545:Brain Ischemia / Q000503:physiopathology; D002533:Cerebral Angiography; D002544:Cerebral Infarction / Q000503:physiopathology; D002561:Cerebrovascular Disorders / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed