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Effects of patient age on outcomes after carotid endarterectomy: A retrospective, single-center study in Korea.

ABSTRACT: In this single-center, retrospective study, we aimed to compare early and late outcomes after carotid endarterectomy (CEA) between younger and elderly patients and to investigate the impact of patient age on the overall incidence of cardiovascular events after CEA.A total of 613 patients with 675 CEAs between January 2007 and December 2014 were stratified by patient age into 2 groups: younger (?60 years, n?=?103 CEAs, 15.3%) and elderly (>60 years, n?=?572 CEAs, 84.7%) groups. The study outcomes were defined as the occurrence of major adverse events (MAEs), including fatal or nonfatal stroke or myocardial infarction (MI), or any-cause mortality, and overall cardiovascular events (meaning the composite incidence of stroke or MI) during the perioperative period and within 4 years after CEA.Although there were no significant differences in the incidence of 30-day MAEs and any of the individual MAE manifestations between the 2 groups, the differences in the MAE incidence (P?=?.006) and any-cause mortality (P?=?.023) within 4 years after CEA were significantly greater in patients in the elderly group. For overall incidence of cardiovascular events, no significant difference was noted between the 2 groups (P?=?.096). On multivariate analysis, older age (>60 years) did not affect the incidence of perioperative MAEs and individual MAE manifestations; however, older age was significantly associated with an increased risk of 4-year MAEs (hazard ratio [HR], 3.68, 95% confidence interval [CI], 1.35-10.0; P?=?.011) and any-cause mortality (HR, 3.26, 95% CI, 1.02-10.5; P?=?.047). With regard to the 4-year overall incidence of cardiovascular events, older age was not an independent predictor of increased risk of these cardiovascular events.Our study indicates that the risks of perioperative MAEs and the 4-year overall incidence of cardiovascular events do not significantly differ between younger and elderly Korean patients undergoing CEA, although there was a higher risk of 4-year any-cause mortality in the elderly patients. Older age does not appear to be an independent risk factor for perioperative MAEs and overall cardiovascular events within 4 years after CEA.

PROVIDER: S-EPMC6708719 | BioStudies |

REPOSITORIES: biostudies

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