PMID: 1192311Nov 22, 1975Paper

Carotid endarterectomy: survival rates of 227 patients.

Canadian Medical Association Journal
J P BouchardP Roy

Abstract

From March 1963 to March 1974, 227 patients with carotid stenosis underwent unilateral or bilateral carotid endarterectomy at l'Hôpital de l'Enfant-Jésus in Québec. Survival during the first 7 years after operation was analysed by life-table methods based on full intervals. The observed probability of death in this group was significantly higher than the probability expected in the general population, by 6.8% in the 1st year and 3.9% in the 2nd year. In the next 3 years the differences were much smaller (0.5, 0.9 and 1.4%). The major causes of death were myocardial infarction and stroke. Women fared somewhat better than men after the 1st year of follow-up. Unexpectedly, patients who underwent unilateral endarterectomy had lower survival rates in each of the first 5 years after operation than patients who underwent staged bilateral operations, whether survival was measured from the date of the first or the second operation.

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