the asymptomatic carotid atherosclerosis study will determine whether the addition of carotid endarterectomy to aspirin plus risk factor modifications affects the incidence of ipsilateral transient ischemic attack , amaurosis fugax , and retinal and cerebral infarction in patients with asymptomatic hemodynamically significant carotid stenosis in at least one artery .
C0004057
aspirin
C0007787
transient ischemic attack