Outcomes of Mitral Valve Transcatheter Edge-To-Edge Repair In Patients With Chronic Kidney Disease: A Systematic Review And Meta-Analysis
Abstract
Background: Transcatheter edge-to-edge repair of the mitral valve (M-TEER) improves outcomes in patients with chronic severe symptomatic mitral valve regurgitation who are at high risk for surgical mitral valve repair or replacement. This systematic review and meta-analysis aimed to describe the outcomes of M-TEER in patients with moderate-to-severe (stage III; Group 1) chronic kidney diseases (CKD) and end-stage kidney disease (stages IV-V; Group 2) in comparison with those with normal kidney function or mild CKD (stages I-II; Group 3). Methods: A systematic literature search of PubMed, Scopus, and Embase was conducted from inception to December 10th, 2023. The odds ratio (OR) with a 95% confidence interval (CI) was pooled using the random-effects model. Results: We screened 6,090 articles of which 40 citations were reviewed in full texts. Eight cohort observational studies met the eligibility criteria. Group 1 versus Group 3: short-term and long-term mortality were significantly higher in Group 1 [(OR 1.73, CI: 1.30-2.29) and (OR 1.78, CI: 1.38-2.29), respectively]. The shock was significantly higher (OR 1.95, CI: 1.45-2.63), and vascular complications were significantly lower (OR 0.51, CI: 0.26-0.99) in Group 1. The incidence of stroke, cardiac tamponade, or conversion to open surgery did not differ between groups [OR 0.87, CI: 0.34-2.23), (OR 1.52, CI: 0.62-2.75), or (OR 0.53, 95% CI: 0.12-2.24), respectively]. Group 2 versus Group 3: long-term mortality was significantly higher in Group 2 (OR 3.56, CI: 2.53-5.02) without a difference in short-term mortality (OR 4.92, CI: 0.91-26.72) or conversion to open surgery (OR 0.92, CI: 0.45-1.91) between groups. Conclusion: In patients who are undergoing M-TEER, impaired kidney function may be associated with increased odds of mortality in comparison with absence or mild kidney impairment.
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Symptomatic mitral valve, Transcatheter, Edge-To-Edge Repair, Chronic Kidney Disease, Systematic Review, Outcomes of M-TEER
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References
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Authors
Copyright (c) 2024 Ashraf Ahmed, Fabricio Webber, Rasha Kaddoura, Mohamed Badheeb, Erica Marnet, Sandeep Nayak, Md Mashiul, Didien Meyahnwi, Abhinav Aggarwal, Gilead Lancaster

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