Aortic ValveAortic Valve StenosisAortic Valve InsufficiencyHeart Valve Prosthesis ImplantationHeart Valve DiseasesPulmonary Valve StenosisHeart Valve ProsthesisMitral ValveBioprosthesisCalcinosisCardiac CatheterizationMitral Valve StenosisPulmonary ValveTricuspid Valve StenosisCatheterizationEchocardiographyTricuspid ValveProsthesis DesignEchocardiography, DopplerTreatment OutcomeEchocardiography, TransesophagealSeverity of Illness IndexMitral Valve InsufficiencyBalloon ValvuloplastyBloodless Medical and Surgical ProceduresAortic Valve ProlapseHemodynamicsHypoplastic Left Heart SyndromeEchocardiography, Doppler, ColorCarotid StenosisAngiodysplasiaEndocarditis, BacterialMitral Valve ProlapseFollow-Up StudiesVentricular Function, LeftBlood Flow VelocityProspective StudiesTime FactorsCoronary StenosisVentricular Outflow ObstructionVenous ValvesCardiac Valve AnnuloplastyHeart Defects, CongenitalHeart VentriclesRetrospective StudiesAortaEndocarditisAortic AneurysmSpinal StenosisRisk FactorsStroke VolumeVentricular Dysfunction, LeftRisk AssessmentPhonocardiographyPredictive Value of TestsTracheal StenosisTricuspid Valve InsufficiencyRheumatic Heart DiseaseEchocardiography, Three-DimensionalObserver VariationPulmonary Subvalvular StenosisMitral Valve AnnuloplastyReoperationDisease ProgressionHypertrophy, Left VentricularPostoperative ComplicationsConstriction, PathologicAortic CoarctationDiscrete Subaortic StenosisProsthesis FailureDilatation, PathologicDiastolePyloric StenosisInfant, NewbornCardiac Surgical ProceduresAortic Stenosis, SubvalvularMultidetector Computed TomographyBlood PressureHeart Septal Defects, VentricularThoracotomyReproducibility of ResultsSinus of ValsalvaTomography, X-Ray ComputedFeasibility StudiesProsthesis FittingSuture TechniquesNoonan SyndromeReplantationChordae TendineaeAortic DiseasesPericardiumSternumSclerosis