• J. Am. Coll. Cardiol. · May 2017

    Meta Analysis Comparative Study

    Carotid Artery Stenting Versus Endarterectomy for Stroke Prevention: A Meta-Analysis of Clinical Trials.

    • Partha Sardar, Saurav Chatterjee, Herbert D Aronow, Amartya Kundu, Preethi Ramchand, Debabrata Mukherjee, Ramez Nairooz, William A Gray, Christopher J White, Michael R Jaff, Kenneth Rosenfield, and Jay Giri.
    • Division of Cardiovascular Medicine, University of Utah, Salt Lake City, Utah.
    • J. Am. Coll. Cardiol. 2017 May 9; 69 (18): 2266-2275.

    BackgroundData conflict regarding the relative effectiveness of carotid artery stenting (CAS) and carotid artery endarterectomy (CEA) for the prevention of stroke due to carotid artery stenosis.ObjectivesThe authors performed an updated meta-analysis evaluating the efficacy and safety of CAS versus CEA, given recently published clinical trial data.MethodsDatabases were searched through April 30, 2016. Randomized trials with ≥50 patients, that had exclusive use of embolic-protection devices, and that compared CAS against CEA for the treatment of carotid artery stenosis were selected. We calculated summary odds ratios (ORs) and 95% confidence intervals (CIs) using a random-effects model.ResultsWe analyzed 6,526 patients from 5 trials with a mean follow-up of 5.3 years. The composite outcome of periprocedural death, stroke, myocardial infarction (MI), or nonperiprocedural ipsilateral stroke was not significantly different between therapies (OR: 1.22; 95% CI: 0.94 to 1.59). The risk of any periprocedural stroke plus nonperiprocedural ipsilateral stroke was higher with CAS (OR: 1.50; 95% CI: 1.22 to 1.84). The risk of higher stroke with CAS was mostly attributed to periprocedural minor stroke (OR: 2.43; 95% CI: 1.71 to 3.46). CAS was associated with significantly lower risk of periprocedural MI (OR: 0.45; 95% CI: 0.27 to 0.75); cranial nerve palsy (OR: 0.07; 95% CI: 0.04 to 0.14); and the composite outcome of death, stroke, MI, or cranial nerve palsy during the periprocedural period (OR: 0.75; 95% CI: 0.60 to 0.93).ConclusionsCAS and CEA were associated with similar rates of a composite of periprocedural death, stroke, MI, or nonperiprocedural ipsilateral stroke. The risk of long-term overall stroke was significantly higher with CAS, and was mostly attributed to periprocedural minor stroke. CAS was associated with lower rates of periprocedural MI and cranial nerve palsy than CEA.Copyright © 2017 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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