BioprosthesisAortic ValveHeart Valve ProsthesisHeart Valve Prosthesis ImplantationProsthesis DesignMitral ValveHeart Valve DiseasesAortic Valve StenosisPulmonary ValveTricuspid ValveAortic Valve InsufficiencyMyocytes, CardiacMitral Valve InsufficiencyMitral Valve ProlapseCardiac OutputMitral Valve StenosisVenous ValvesCardiac Surgical ProceduresHeartCardiac CatheterizationArrhythmias, CardiacTricuspid Valve InsufficiencyDeath, Sudden, CardiacEchocardiographyMitral Valve AnnuloplastyModels, BiologicalTime FactorsHeart DiseasesHeart VentriclesCardiac Valve AnnuloplastyTreatment OutcomeCardiac Pacing, ArtificialCardiomegalyEndocarditis, BacterialPulmonary Valve StenosisMyocardiumCardiac TamponadeEndocarditisMyocardial ContractionHeart Defects, CongenitalHemodynamicsEchocardiography, TransesophagealHeart ArrestCardiomyopathiesElectrocardiographyHeart FailureChordae TendineaeFollow-Up StudiesVentricular Function, LeftEchocardiography, DopplerCalcinosisBiological MarkersMyoblasts, CardiacCardiac Imaging TechniquesHeart NeoplasmsPostoperative ComplicationsHeart RateModels, CardiovascularCardiac MyosinsProspective StudiesStroke VolumeVentricular RemodelingBiological ProductsCardiac VolumeCardiac Output, LowRetrospective StudiesCardiac GlycosidesHeart AtriaIleocecal ValveMyocardial InfarctionCardiopulmonary BypassCells, CulturedEchocardiography, Doppler, ColorHeart TransplantationOut-of-Hospital Cardiac ArrestRisk FactorsCatheterizationVentricular Dysfunction, LeftBlood PressureMolecular Sequence DataPericardiumFetal HeartDogsTroponin ISignal TransductionReoperationBiological AssayHeart InjuriesProsthesis FailureBiological TherapyDisease Models, AnimalHeart Function TestsPredictive Value of TestsAortic Valve ProlapseRisk AssessmentHeart Conduction SystemAlgorithmsFibrosisCardiomyopathy, DilatedReproducibility of Results