Heart ValvesHeart Valve ProsthesisHeart Valve DiseasesAortic ValveMitral ValveHeartBioprosthesisAortic Valve StenosisPulmonary ValveHeart Valve Prosthesis ImplantationTricuspid ValveAortic Valve InsufficiencyFree Tissue FlapsHeart RateMitral Valve InsufficiencyEndocarditis, BacterialMitral Valve StenosisMitral Valve ProlapseEndocarditisFlap EndonucleasesVenous ValvesProsthesis DesignHeart FailureHeart Defects, CongenitalHeart DiseasesTricuspid Valve InsufficiencyCalcinosisThromboembolismTissue EngineeringReconstructive Surgical ProceduresEchocardiographyHeart TransplantationTreatment OutcomeCardiac CatheterizationProsthesis FailureAnticoagulantsModels, CardiovascularFetal HeartMitral Valve AnnuloplastyEchocardiography, TransesophagealCardiac Surgical ProceduresInternational Normalized RatioEndocardial CushionsTime FactorsAbsorbable ImplantsHeart Valve ProlapseAcenocoumarolPostoperative ComplicationsHeart AtriaFollow-Up StudiesWarfarinEndocardiumCardiac Valve AnnuloplastyHeart SoundsHemodynamicsReoperationPregnancy Complications, CardiovascularPulmonary Valve StenosisRheumatic Heart DiseaseGlutaralEchocardiography, Doppler, ColorBioreactorsMyocardiumPapio ursinusEchocardiography, DopplerEmbolism, AirProspective StudiesRetrospective StudiesCarcinoid Heart DiseaseBalloon ValvuloplastyHeart BlockDecanoatesPhonocardiographyRisk FactorsMultidetector Computed TomographyReceptor, Serotonin, 5-HT2BSafety-Based Drug WithdrawalsChordae TendineaeSwineThrombosisSternumHeart Arrest, InducedTensile StrengthFenfluramineRectus AbdominisBioartificial OrgansHeart NeoplasmsExtracellular MatrixHemorrhageSheepEmbolismTissue PreservationMyocardial ContractionCardiomyopathiesBiocompatible MaterialsHeart Function TestsStress, MechanicalProthrombin TimeTissue ScaffoldsBiomechanical Phenomena