Carotid endarterectomy. Clinical results in a community-based teaching hospital.

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Abstract
Since 1971, 688 consecutive carotid endarterectomies were performed in 612 patients in a community-based teaching hospital by 16 surgeons; 82% of the procedures were performed in patients who had suffered a transient ischemic attack, amaurosis fugax, or a previous stroke. Seven patients (1%) died, five of perioperative stroke and two of myocardial infarction. Thirty-one patients suffered a perioperative stroke (4.5% of the 688 endarterectomies); 20 patients (2.9% of 688) were left with moderate to severe neurologic deficits. The combined mortality/major neurologic deficit morbidity rate (number of patients divided by number of endarterectomies) is 3.2%. Both operative mortality and morbidity have progressively declined in successive 5-year periods, with no deaths and a 2.7% stroke rate in 148 endarterectomies performed after 1984. Our results indicate that carotid endarterectomy as practiced in a community-based teaching hospital can be performed without excessive risk.