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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Effect of age and gender on restenosis after carotid endarterectomy.

Several studies have suggested that the benefits of CEA may be gender-dependent. The purpose of this study was to focus on age and gender outcomes after CEA. Three hundred seventy-two CEAs were performed in 344 patients (115 females, 229 males; mean age 72.9 years). Mean follow-up was 25.8 months. Data were collected retrospectively by chart review, and follow-up data were obtained by clinical examination and duplex ultrasound. Recurrent stenosis was defined as >50% and/or occlusion. Three hundred and seventy-two CEAs were performed in 120 female and 252 male carotid arteries: 97.3% of patients underwent patch angioplasty (bovine pericaridium 71.5%, Dacron 21.8%, vein 3.8%, and polytetrafluoroethylene 0.3%) and 2.7% of patients underwent eversion endarterectomy. Perioperative mortality rate (30-day) was 0.8% (0% of females vs. 1.2% of males), and stroke rate was 0.5% (1.7% of females vs. 0% of males), with no significant gender difference (p = 0.554 and p = 0.103, respectively). Follow-up ultrasound revealed 21 (7%) restenoses (>50%) and/or occlusions, with a significantly higher rate of restenosis in females (14% vs. 3.9% in males, p = 0.008) and in patients <70 years of age at time of surgery (p = 0.003). There was no age difference between women and men with restenosis. Although there was no statistical difference in occurrence of restenosis between Dacron and bovine patch (p = 0.62), females who underwent patch angioplasty with Dacron were more likely to develop restenosis (p = 0.052). CEA is a low-risk procedure for significant carotid stenosis; however, females are more likely to develop restenosis after carotid surgery, especially with Dacron patches. Younger patients appear to be at a higher risk of restenosis after surgery.[1]


  1. Effect of age and gender on restenosis after carotid endarterectomy. Hugl, B., Oldenburg, W.A., Neuhauser, B., Hakaim, A.G. Annals of vascular surgery (2006) [Pubmed]
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