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Echocardiographic Indices for Optimal Timing of Mitral Valve Repair in Degenerative Mitral Regurgitation in Japanese Patients

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Background: Left ventricular (LV) dysfunction after mitral valve (MV) repair for degenerative mitral regurgitation (DMR) is a poor prognostic factor. Preoperative LV end-systolic diameter (LVESD) and LV ejection fraction (LVEF) a... ...