Myocardial adaptation as assessed by speckle tracking echocardiography after isolated mitral valve surgery for primary m
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ORIGINAL PAPER
Myocardial adaptation as assessed by speckle tracking echocardiography after isolated mitral valve surgery for primary mitral regurgitation Muhammed Gerçek1 · Lothar Faber1 · Volker Rudolph1,3 · Henrik Fox2,3 · Thomas Puehler4 · Hazem Omran1 · Lisa Katharina Wolf1 · Lech Paluszkiewicz2 · Andreas M. Zeiher5 · Kavous Hakim‑Meibodi2 · Jan Gummert2,3 · Zisis Dimitriadis5 Received: 9 July 2020 / Accepted: 5 October 2020 © The Author(s) 2020
Abstract The risk of left ventricular (LV) and right ventricular (RV) maladaptation after surgery for isolated primary mitral regurgitation (PMR) is poorly defined. We aimed to evaluate LV and RV contractile function using speckle-tracking analysis alongside with quantification of exercise tolerance in patients with PMR after mitral valve surgery. All consecutive patients with symptomatic PMR undergoing mitral valve surgery between July 2015 and May 2017 were prospectively enrolled. Sequential echocardiographic studies along with clinical assessment were performed before and three months after surgery. Mean age in 138 patients was 65.8 ± 12.7 years, 48.2% (66) of whom were female. Mean LV ejection fraction decreased from 57 ± 12% to 50 ± 11% (p
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