Aortic ValveMitral ValveHeartHeart Valve DiseasesAortic Valve StenosisHeart RatePulmonary ValveTricuspid ValveAortic Valve InsufficiencyMitral Valve InsufficiencyMitral Valve ProlapseMitral Valve StenosisVenous ValvesBioprosthesisHeart FailureHeart Defects, CongenitalHeart DiseasesTricuspid Valve InsufficiencyHeart TransplantationFetal HeartMitral Valve AnnuloplastyHeart AtriaEchocardiographyCardiac Valve AnnuloplastyEndocarditis, BacterialPulmonary Valve StenosisEndocarditisHeart ValvesCardiac CatheterizationHeart BlockProsthesis DesignTreatment OutcomeEchocardiography, TransesophagealHemodynamicsChordae TendineaeTime FactorsHeart Arrest, InducedMyocardiumCardiac Surgical ProceduresCalcinosisMyocardial ContractionFollow-Up StudiesHeart Function TestsEchocardiography, DopplerIleocecal ValveVentricular Function, LeftMyocardial IschemiaStroke VolumeHeart InjuriesRisk FactorsCatheterizationEchocardiography, Doppler, ColorProspective StudiesHeart NeoplasmsModels, CardiovascularMyocytes, CardiacProsthesis FailureCoronary DiseaseReoperationPostoperative ComplicationsAortic Valve ProlapsePhonocardiographyEchocardiography, Three-DimensionalHeart Septal Defects, VentricularHeart Septal DefectsCardiomyopathiesHeart, ArtificialVentricular Dysfunction, LeftRetrospective StudiesCardiac Output, LowCardiomyopathy, DilatedSeverity of Illness IndexCardiomegalyEndocardiumMyocardial InfarctionHeart Failure, SystolicCardiotonic AgentsPerfusionVentricular RemodelingHeart Rate, FetalHeart ArrestDogsRisk AssessmentHeart SeptumHypoplastic Left Heart SyndromeMyocardial Reperfusion InjuryRheumatic Heart DiseaseEndocardial CushionsCardiopulmonary BypassPredictive Value of TestsSuture TechniquesAdrenergic beta-AntagonistsSystoleCardiac Pacing, ArtificialHeart Septal Defects, AtrialHeart Valve ProsthesisDiastoleVentricular PressureChronic DiseaseDisease Models, Animal