Pulmonary ValvePulmonary Valve StenosisPulmonary Valve InsufficiencyAortic ValveTetralogy of FallotDilatationHeart Valve DiseasesMitral ValveDilatation, PathologicTricuspid ValvePulmonary AtresiaCatheterizationAortic Valve StenosisAnimals, Inbred StrainsVentricular Outflow ObstructionHeart Valve Prosthesis ImplantationBioprosthesisAortic Valve InsufficiencyHeart Valve ProsthesisCardiac CatheterizationCarcinoid Heart DiseaseHeart Septal Defects, VentricularEchocardiographyCardiac Valve AnnuloplastyHeart Defects, CongenitalBalloon ValvuloplastyGastric DilatationTricuspid Valve InsufficiencyPulmonary ArteryMitral Valve InsufficiencyPulmonary Subvalvular StenosisVentricular Function, RightCardiac Surgical ProceduresEndocarditisMitral Valve ProlapseHeart ValvesMitral Valve StenosisTricuspid Valve StenosisEchocardiography, DopplerEndocarditis, BacterialProsthesis DesignVenous ValvesTreatment OutcomeNoonan SyndromeVentricular Dysfunction, RightFetal HeartHeart VentriclesFollow-Up StudiesReoperationTricuspid AtresiaUltrasonography, PrenatalInfant, NewbornOligohydramniosProlapseHemodynamicsEchocardiography, TransesophagealEchocardiography, Doppler, ColorFetal DiseasesDilatation and CurettageRetrospective StudiesFibromaHeart SeptumHeart Septal DefectsHypertrophy, Right VentricularDuctus ArteriosusAbnormalities, MultipleTime FactorsPostoperative ComplicationsVentricular SeptumEndocarditis, Subacute BacterialHeart Septal Defects, AtrialHeart NeoplasmsMitral Valve AnnuloplastyEchocardiography, Three-DimensionalTransposition of Great VesselsBlood Flow VelocitySinus of ValsalvaAortic CoarctationPericardiumAngiographyPregnancyFetoscopyProspective StudiesJugular VeinsStentsFeasibility StudiesStroke VolumeElectrocardiographyGestational Age