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Predictors of Early Cerebrovascular Events in Patients With Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement

Abstract : BACKGROUND Identifying transcatheter aortic valve replacement (TAVR) patients at high risk for cerebrovascular events (CVE) is of major clinical relevance. However, predictors have varied across studies. OBJECTIVES The purpose of this study was to analyze the predictors of 30-day CVE post-TAVR. METHODS A systematic review of studies that reported the incidence of CVE post-TAVR while providing raw data for predictors of interest was performed. Data on study, patient, and procedural characteristics were extracted. Crude risk ratios (RRs) and 95% confidence intervals for each predictor were calculated. RESULTS Sixty-four studies involving 72,318 patients (2,385 patients with a CVE within 30 days post-TAVR) were analyzed. Incidence of CVE ranged from 1% to 11% (median 4%) without significant differences between single and multicenter studies, or according to CVE adjudication availability. The summary RRs indicated lower risk for men (RR: 0.82; p = 0.02) and higher risk for patients with chronic kidney disease (RR: 1.29; p = 0.03) and with new-onset atrial fibrillation post-TAVR (RR: 1.85; p = 0.005), and for procedures performed within the first half of center experience (RR: 1.55; p = 0.003). The use of balloon post-dilation tended to be associated with a higher risk of CVE (RR: 1.43; p = 0.07). Valve type (balloon-expandable vs. self-expandable, p = 0.26) and approach (transfemoral vs. nontransfemoral, p = 0.81) did not predict CVE. CONCLUSIONS Female sex, chronic kidney disease, enrollment date, and new-onset atrial fibrillation were predictors of CVE post-TAVR. This study provides effect estimates to identify high-risk TAVR patients for early CVE, providing possible guidance for tailored preventive strategies. (C) 2016 by the American College of Cardiology Foundation.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01397552
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Submitted on : Wednesday, November 16, 2016 - 9:49:18 AM
Last modification on : Monday, July 20, 2020 - 1:06:04 PM

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Vincent Auffret, Ander Regueiro, Maria del Trigo, Omar Abdul-Jawad Altisent, Francisco Campelo-Parada, et al.. Predictors of Early Cerebrovascular Events in Patients With Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement. Journal of the American College of Cardiology, Elsevier, 2016, 68 (7), pp.673--684. ⟨10.1016/j.jacc.2016.05.065⟩. ⟨hal-01397552⟩

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