The impact of residual mitral regurgitation after MitraClip therapy in functional mitral regurgitation
European Journal of Heart Failure Apr 15, 2020
Reichart D, Kalbacher D, Rübsamen N, et al. - Researchers evaluated how long‐term outcome following MitraClip therapy in patients with functional mitral regurgitation could be influenced by residual mitral regurgitation (rMR) at discharge. In this observational analysis, they examined 458 patients (mean age 73.8 ± 8.9 years) who received MitraClip implantation between September 2008 and December 2017. A retrospective comparison was done for the influence of rMR ≤ 1+ at discharge (n = 251) vs patients graded as rMR 2+ (n = 173) and rMR ≥3+ (n = 34) at discharge. Experts identified better outcome among patients with optimal and durable rMR ≤ 1+ at discharge and 12‐month follow‐up, relative to patients with rMR 2+ and rMR ≥ 3+. For long‐term results, treatment success as well as durability characterized by rMR ≤ 1+ at discharge and 12 months appeared as crucial factors.
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