Heart Valve DiseasesHeart ValvesMitral Valve InsufficiencyAortic ValveMitral ValveHeart Valve ProsthesisAortic Valve InsufficiencyMitral Valve AnnuloplastyMitral Valve ProlapseHeart Valve Prosthesis ImplantationChordae TendineaeAortic Valve StenosisMitral Valve StenosisEchocardiography, Doppler, ColorTricuspid Valve InsufficiencyBioprosthesisRheumatic Heart DiseaseEchocardiography, DopplerEchocardiographyTricuspid ValveHeartPulmonary ValveEchocardiography, Three-DimensionalEchocardiography, TransesophagealCardiac Surgical ProceduresPapillary MusclesCardiac CatheterizationStroke VolumeVentricular Function, LeftCardiac Valve AnnuloplastyEndocarditisTreatment OutcomeHemodynamicsCalcinosisHeart FailureVentricular Dysfunction, LeftEndocarditis, BacterialFollow-Up StudiesSeverity of Illness IndexHeart SoundsVentricular RemodelingHeart AtriaHeart RateHeart Defects, CongenitalMyocardial IschemiaPulmonary Valve InsufficiencyProsthesis DesignPhonocardiographyHeart MurmursHeart VentriclesHeart DiseasesTime FactorsSuture TechniquesProspective StudiesCatheterizationReoperationPostoperative ComplicationsSystoleRetrospective StudiesBlood Flow VelocityCardiomyopathy, DilatedAngiocardiographyModels, CardiovascularSheepVenous ValvesMyocardial ContractionCardiac VolumeAtrial FibrillationDilatation, PathologicPulmonary Wedge PressurePhentermineChronic DiseaseThromboembolismPredictive Value of TestsAtrial Function, LeftCardiac Pacing, ArtificialPostoperative PeriodDiastoleCardiomyopathiesAortic Valve ProlapseProsthesis FailureObserver VariationFenfluramineVentricular Outflow ObstructionAnesthesia, RectalDoppler EffectHeart RuptureTricuspid Valve StenosisRisk FactorsElectrocardiographyBalloon Valvuloplasty