Journal
CLINICAL CARDIOLOGY
Volume 41, Issue 8, Pages 1091-1096Publisher
WILEY
DOI: 10.1002/clc.22993
Keywords
Aortic Disease; Chronic Kidney Disease; Valvular Heart Disease
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Chronic kidney disease (CKD) is associated with worse outcomes in high-surgical-risk patients undergoing transcatheter aortic valve replacement (TAVR). However, it is unclear whether this relationship is apparent in lower-surgical-risk patients. We sought to analyze existing literature to assess whether or not advanced CKD is associated with increased mortality or a greater incidence of adverse events (specifically major stroke, bleeding, and vascular complications). We searched PubMed and Embase (2008-2017) for relevant studies. Studies with < 1 year followup and those not evaluating advanced CKD or outcomes post-TAVR were excluded. Our coprimary endpoints were the incidence of short-term mortality (defined as in-hospital or 30-day mortality) and long-term mortality (1 year). Our secondary endpoints included incidence of major stroke, life-threatening bleeding, and major vascular complications. Eleven observational studies with a total population of 10709 patients met the selection criteria. Among patients with CKD there was an increased risk of short-and long-term mortality in high-surgical-risk patients who underwent TAVR (hazard ratio [HR]: 1.51, 95% confidence interval [CI]: 1.22-1.88 and HR: 1.56, 95% CI: 1.38-1.77, respectively; P < 0.01). However, there was no association between CKD and mortality in low-to intermediate-risk patients (HR: 1.35, 95% CI: 0.98-1.84, P = 0.06 in short-term and HR: 1.08, 95% CI: 0.92-1.27, P = 0.34 in long-term). In low-to intermediaterisk TAVR patients, advanced CKD is not associated with increased mortality or poorer safety outcomes. These findings should be factored into the clinical decision-making process regarding TAVR candidacy.
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