[Left ventricular function before and after the surgery of mitral regurgitation. Relation between regurgitant fraction and left ventricular function].
D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000503:physiopathology* / Q000601:surgery; D009200:Myocardial Contraction; D011184:Postoperative Period; D013318:Stroke Volume