Aortic Valve StenosisAortic ValveAortic Valve InsufficiencyHeart Valve Prosthesis ImplantationHeart Valve DiseasesPulmonary Valve StenosisHeart Valve ProsthesisMitral ValveBioprosthesisCalcinosisCardiac CatheterizationMitral Valve StenosisPulmonary ValveTricuspid Valve StenosisCatheterizationEchocardiographyTricuspid ValveProsthesis DesignEchocardiography, DopplerTreatment OutcomeSeverity of Illness IndexEchocardiography, TransesophagealMitral Valve InsufficiencyBalloon ValvuloplastyBloodless Medical and Surgical ProceduresAortic Valve ProlapseHemodynamicsHypoplastic Left Heart SyndromeEchocardiography, Doppler, ColorCarotid StenosisAngiodysplasiaEndocarditis, BacterialMitral Valve ProlapseFollow-Up StudiesTime FactorsProspective StudiesVentricular Function, LeftBlood Flow VelocityCoronary StenosisVentricular Outflow ObstructionVenous ValvesRetrospective StudiesCardiac Valve AnnuloplastyHeart Defects, CongenitalHeart VentriclesAortaEndocarditisRisk FactorsAortic AneurysmSpinal StenosisStroke VolumeRisk AssessmentVentricular Dysfunction, LeftPhonocardiographyPredictive Value of TestsTracheal StenosisTricuspid Valve InsufficiencyObserver VariationRheumatic Heart DiseaseEchocardiography, Three-DimensionalPulmonary Subvalvular StenosisMitral Valve AnnuloplastyReoperationDisease ProgressionHypertrophy, Left VentricularPostoperative ComplicationsConstriction, PathologicAortic CoarctationProsthesis FailureDiscrete Subaortic StenosisDilatation, PathologicInfant, NewbornDiastoleCardiac Surgical ProceduresPyloric StenosisAortic Stenosis, SubvalvularReproducibility of ResultsMultidetector Computed TomographyBlood PressureHeart Septal Defects, VentricularThoracotomySinus of ValsalvaTomography, X-Ray ComputedFeasibility StudiesProsthesis FittingSuture TechniquesNoonan SyndromeReplantationChordae TendineaeAortic DiseasesPericardiumSternumSclerosisFibroma