[Mitral valve replacement in children].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006350:Heart Valve Prosthesis / Q000401:mortality; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D008946:Mitral Valve Stenosis / Q000601:surgery*; D012086:Reoperation