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Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632
Online ISSN 1827-191X
Thomas LUEBKE, Jan BRUNKWALL
Department of Vascular and Endovascular Surgery, University Hospital of Cologne, Cologne, Germany
INTRODUCTION: To compare carotid artery stenting (CAS) versus carotid endarterectomy (CEA) in the treatment of carotid stenosis, including two recently published, prospective, randomized trials of these therapies.
EVIDENCE ACQUISITION: A multiple electronic health database search on all randomized trials describing CAS compared with CEA in patients with symptomatic or asymptomatic carotid artery stenosis was performed. Primary outcomes were death, stroke, and myocardial infarction.
EVIDENCE SYNTHESIS: Carotid artery stenting as compared with CEA was associated with a 61% increase in the risk of periprocedural death or stroke (Peto OR, 1.609; 95% confidence interval [CI]: 1.193-2.170; P=0.002). The trial sequential monitoring boundary was crossed by the cumulative Z-curve, suggesting firm evidence for at least a 20% relative risk increase of periprocedural death or stroke and any stroke compared with CEA. Carotid artery stenting as compared with CEA was associated with a 42% increase in the risk for the composite of periprocedural stroke or death plus ipsilateral stroke thereafter (Peto OR, 1.417; 95% CI: 1.074-1.870; P=0.0014).
CONCLUSIONS: In this largest and most comprehensive meta-analysis to date using outcomes that are standard in contemporary studies, CAS was associated with an increased risk of both periprocedural and intermediate- to long-term outcomes.