Aortic Valve StenosisAortic ValveHeart Valve Prosthesis ImplantationHeart Valve ProsthesisCardiac CatheterizationAortic Stenosis, SupravalvularAortic Valve InsufficiencyBioprosthesisMitral ValveSeverity of Illness IndexEchocardiography, DopplerCatheterizationHeart Valve DiseasesAortic Stenosis, SubvalvularEchocardiographyTreatment OutcomeBalloon ValvuloplastyCarotid StenosisMitral Valve StenosisStroke VolumeMitral Valve InsufficiencyHemodynamicsProsthesis DesignAngiodysplasiaCalcinosisFollow-Up StudiesPulmonary Valve StenosisPhonocardiographyEunuchismVentricular Function, LeftCoronary StenosisAsymptomatic DiseasesTricuspid ValveVentricular Dysfunction, LeftPulmonary ValveMultidetector Computed TomographySpinal StenosisProspective StudiesTracheal StenosisHypertrophy, Left VentricularPredictive Value of TestsHeart VentriclesBlood Flow VelocityPostoperative ComplicationsConstriction, PathologicRetrospective StudiesEchocardiography, TransesophagealTime FactorsRisk AssessmentRisk FactorsPyloric StenosisKaplan-Meier EstimateMitral Valve ProlapsePatient SelectionVentricular RemodelingVenous ValvesPrognosisExercise TestTomography, X-Ray ComputedElectrocardiographyWilliams SyndromeChi-Square DistributionProsthesis FailureFeasibility StudiesDiscrete Subaortic StenosisBlood PressureSurvival AnalysisCardiac Valve AnnuloplastyFemoral ArteryTricuspid Valve StenosisHeart MurmursTricuspid Valve InsufficiencyMultivariate AnalysisCoronary AngiographyStentsStrokeEndocardial FibroelastosisAge FactorsRenal Artery ObstructionHeart Defects, CongenitalEchocardiography, Doppler, ColorMitral Valve AnnuloplastyAngiographyModels, CardiovascularSurvival RateAngioplasty, BalloonRegistriesHeart AuscultationProportional Hazards ModelsCohort StudiesProsthesis FittingSystoleLogistic ModelsReoperationCoronary CirculationElastinCardiac Surgical ProceduresEchocardiography, Three-DimensionalUltrasonography, Doppler, DuplexKinetocardiography