
Keywords: قطر سیستولی پایه بطن چپ; Degenerative mitral regurgitation; Transcatheter mitral valve therapies; Minimally invasive mitral surgery; Outcomes; BNP; Brain natriuretic peptide; CMR; Cardiac magnetic resonance; DMR; Degenerative mitral regurgitation; EROA; Effective regurgitant orif