Predictors of Outcomes Following Transcatheter Edge-to-Edge Mitral Valve Repair.

Transcatheter edge-to-edge mitral valve repair is a viable alternative to surgery in patients with severe mitral regurgitation and high surgical risk. Yet the specific group of patients who would optimally benefit from this therapy remains to be determined. Selection of patients for transcatheter strategy is currently based on surgical prognostic scores and technical feasibility. Meanwhile, various clinical, anatomic, and procedural factors have been recently recognized as predictors of adverse outcomes following transcatheter edge-to-edge mitral valve repair, including device failure, recurrent mitral regurgitation, and mortality. Integration of these prognostic factors in the decision-making process of the heart team might improve patient management and outcomes. Herein, the authors review the different factors related to symptomatic status, comorbidity, serum biomarkers, echocardiographic findings, and procedural technique that have been identified as independent predictors of adverse outcome following transcatheter edge-to-edge mitral valve repair and discuss their potential application in everyday clinical practice.

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