this study demonstrates a high frequency of ipsilateral infarction in patients having elective carotid endarterectomy , even in those patients with clinical symptom complexes thought by many physicians to be relatively benign ( i.e. , transient cerebral ischemia , nonhemispheric ischemia , and asymptomatic carotid stenoses ) .
C0021308
infarction
C0022116
ischemia