Mitral ValveMitral Valve ProlapseMitral Valve InsufficiencyMitral Valve StenosisAortic ValveMitral Valve AnnuloplastyHeart Valve DiseasesChordae TendineaeAortic Valve StenosisTricuspid ValveHeart Valve Prosthesis ImplantationHeart Valve ProsthesisAortic Valve InsufficiencyBioprosthesisPulmonary ValveVideo GamesEchocardiography, TransesophagealRheumatic Heart DiseaseEchocardiographyEchocardiography, Three-DimensionalCardiac Surgical ProceduresCardiac Valve AnnuloplastyPhonocardiographyEndocarditis, BacterialTricuspid Valve InsufficiencyEndocarditisEchocardiography, Doppler, ColorVenous ValvesHeart AuscultationEchocardiography, DopplerCatheterizationTreatment OutcomeVideotape RecordingCardiac CatheterizationProlapseReoperationMyxomaMicroscopy, VideoPapillary MusclesProsthesis DesignHeart AtriaSuture TechniquesHeart RuptureFollow-Up StudiesHeart NeoplasmsPostoperative ComplicationsHeart VentriclesCalcinosisKinetocardiographyHeart MurmursThoracotomyProsthesis FailureCardiopulmonary BypassBalloon ValvuloplastyHemodynamicsHeart Defects, CongenitalPulmonary Valve StenosisTime FactorsVentricular Outflow ObstructionSeverity of Illness IndexHeart SoundsVentricular Function, LeftAtrial FibrillationMarfan SyndromeHeart ValvesSternotomyRetrospective StudiesCardiomyopathy, HypertrophicSurgical Procedures, Minimally InvasiveHeart InjuriesAngiocardiographyModels, CardiovascularThromboembolismEndocardial Cushion DefectsPericardiumStroke VolumeProspective StudiesCardiovascular Surgical ProceduresHeart SeptumPostoperative PeriodSurgical InstrumentsHeart DiseasesHeart AneurysmRupture, SpontaneousEquipment DesignDiastoleFeasibility StudiesSystoleCineradiographyThoracic SurgerySternumLutembacher SyndromeEndocardial FibroelastosisDevice RemovalHeart Septal Defects, VentricularElectrocardiographyFibromaVentricular Dysfunction, LeftHeart Septal Defects, AtrialAtrial Function, Left