Comparison of amaurosis fugax and transient cerebral ischemia: a prospective clinical and arteriographic study.
We compared the clinical associations, arteriographic findings, and long-term outcome of 93 patients with amaurosis fugax and 212 patients with focal cerebral ischemia (transient ischemic attacks [TIAs]). The group of patients with cerebral TIAs included a significantly larger proportion of blacks and had a higher prevalence of hypertension than the group with amaurosis. Operable atherosclerotic lesions of the carotid arteries were more often associated with amaurosis (66%) than with cerebral TIAs (51%). The seven-year cumulative rate of cerebral infarction, however, was less in patients with amaurosis (14%) than in those with cerebral TIAs (27%; p less than 0.02). This difference in outcome persisted after adjustment for race, hypertension, and type of therapy. There were no significant differences, however, in the cumulative rates either of recurrent TIAs or of myocardial infarction or sudden death in the two groups of patients.
Hurwitz, BJ; Heyman, A; Wilkinson, WE; Haynes, CS; Utley, CM
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