Heart ValvesHeart Valve ProsthesisHeart Valve DiseasesAortic ValveMitral Valve InsufficiencyMitral ValveAortic Valve InsufficiencyHeart Valve Prosthesis ImplantationBioprosthesisTricuspid Valve InsufficiencyHeartAortic Valve StenosisPulmonary ValveTricuspid ValveMitral Valve ProlapseMitral Valve AnnuloplastyEchocardiography, Doppler, ColorPulmonary Valve InsufficiencyEchocardiographyMitral Valve StenosisHeart RateChordae TendineaeEchocardiography, DopplerEndocarditisCardiac Valve AnnuloplastyEchocardiography, TransesophagealEndocarditis, BacterialCardiac CatheterizationCardiac Surgical ProceduresProsthesis DesignHeart FailureHeart Defects, CongenitalRheumatic Heart DiseaseTreatment OutcomeEchocardiography, Three-DimensionalHeart DiseasesVenous ValvesStroke VolumeFollow-Up StudiesVentricular Function, LeftHemodynamicsCalcinosisProsthesis FailurePhonocardiographyThromboembolismHeart SoundsPapillary MusclesTime FactorsSeverity of Illness IndexHeart AtriaPostoperative ComplicationsReoperationTissue EngineeringModels, CardiovascularPulmonary Valve StenosisAortic Valve ProlapseVentricular Dysfunction, LeftFetal HeartProspective StudiesTetralogy of FallotFenfluramineHeart TransplantationLaryngopharyngeal RefluxHeart MurmursRetrospective StudiesVentricular RemodelingHeart Valve ProlapseCatheterizationMyocardial IschemiaBlood Flow VelocitySuture TechniquesHeart VentriclesSheepAnticoagulantsHeart Septal Defects, VentricularBalloon ValvuloplastyCarcinoid Heart DiseasePregnancy Complications, CardiovascularSafety-Based Drug WithdrawalsMyocardial ContractionSystoleRisk FactorsDilatation, PathologicInternational Normalized RatioPredictive Value of TestsEndocardial CushionsAppetite DepressantsEndocardiumAortic AneurysmHeart InjuriesAbsorbable ImplantsHeart BlockAcenocoumarolPhentermineCardiomyopathy, DilatedVentricular Outflow ObstructionMyocardiumVentricular Function, RightPostoperative PeriodAngiocardiography