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Carotid stenosis in women: time for a reappraisal.

ABSTRACT: The treatment approach for patients with internal carotid artery stenosis is receiving increased scrutiny. Major advances in optimal medical therapy have been associated with a declining stroke rate for symptomatic and asymptomatic patients with carotid stenosis. Customising treatment according to gender is worthy of consideration, since earlier clinical trials showed reduced benefit with carotid endarterectomy in women compared to men. In this review, clinical trial results in women are summarised, studies pertaining to carotid plaque imaging in men and women are discussed and new clinical trials are identified. Finally, the rationale for a women's carotid trial is provided.

SUBMITTER: Marulanda-Londono E

PROVIDER: S-EPMC5435219 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Carotid stenosis in women: time for a reappraisal.

Marulanda-Londoño Erika E Chaturvedi Seemant S

Stroke and vascular neurology 20161219 4

The treatment approach for patients with internal carotid artery stenosis is receiving increased scrutiny. Major advances in optimal medical therapy have been associated with a declining stroke rate for symptomatic and asymptomatic patients with carotid stenosis. Customising treatment according to gender is worthy of consideration, since earlier clinical trials showed reduced benefit with carotid endarterectomy in women compared to men. In this review, clinical trial results in women are summari ...[more]

PMID: 28959483

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Project description:Patients with contralateral carotid occlusion (CCO) have been excluded from randomized clinical trials because of a deemed high risk for adverse neurologic outcomes with carotid endarterectomy (CEA). Evidence for this rationale is limited and conflicting. Therefore, we aimed to compare outcomes after CEA between patients with and without CCO and varying degrees of contralateral carotid stenosis (CCS).We identified patients undergoing CEA from 2003 to 2015 in the Vascular Study Group of New England (VSGNE) registry. Patients were stratified by preoperative symptom status and presence of CCO. Multivariable analysis was used to account for differences in demographics and comorbidities. Our primary outcome was 30-day stroke/death risk.Of 15,487 patients we identified who underwent CEA, 10,377 (67%) were asymptomatic. CCO was present in 914 patients, of whom 681 (75%) were asymptomatic. Overall, the 30-day stroke/death was 2.0% for symptomatic patients (CCO: 2.6%) and 1.1% for asymptomatic patients (CCO: 2.3%). After adjustment, including symptom status, CCO was associated with higher 30-day stroke/death (odds ratio [OR], 2.1; 95% confidence interval [CI], 1.4-3.3; P = .001), any in-hospital stroke (OR, 2.8; 95% CI, 1.7-4.6; P < .001), in-hospital ipsilateral stroke (OR, 2.2; 95% CI, 1.2-4.0; P = .02), in-hospital contralateral stroke (OR, 5.1; 95% CI, 2.2-11.4; P < .001), and prolonged length of stay (OR, 1.6; 95% CI, 1.3-1.9; P < .001). CCS of 80% to 99% was only associated with a prolonged length of stay (OR, 1.3; 95% CI, 1.1-1.6; P = .01), not with in-hospital stroke. Neither CCO nor CCS was associated with 30-day mortality.Although CCO increases the risk of 30-day stroke/death, in-hospital strokes, and prolonged length of stay after CEA, the 30-day stroke/death rates in symptomatic and asymptomatic patients with CCO remain within the recommended thresholds set by the 14 societies' guideline document. Thus, CCO should not qualify as a high-risk criterion for CEA. Moreover, there is no evidence that patients with CCO have lower stroke/death rates after carotid artery stenting than after CEA. We believe that CEA remains a valid and safe option for patients with CCO and that CCO should not be applied as a criterion to promote carotid artery stenting per se.

Dataset Information

Carotid stenosis in women: time for a reappraisal.

Publications

Carotid stenosis in women: time for a reappraisal.

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