Clinical and Angiographic Features of Carotid Transient Ischemic Attacks

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Abstract
To determine the prevalence of radiologically evident carotid stenosis in patients with transient cerebral ischemic attacks, we analyzed 95 consecutive hospitalized patients who during a two-year period had appropriate symptoms and also underwent angiography. Pure transient hemisphere symptoms affected 52 patients, pure monocular blindness occurred in 33, and 10 experienced each type of attack separately. Tight stenosis (⩽2 mm) or occlusion was present in 49 patients (52 per cent). Thirteen patients showed intracranialbranch occlusion, nine of whom had no notable stenosis.