Pulmonary ValvePulmonary Valve StenosisPulmonary Valve InsufficiencyAortic ValveTetralogy of FallotHeart Valve DiseasesMitral ValveTricuspid ValvePulmonary AtresiaAnimals, Inbred StrainsAortic Valve StenosisVentricular Outflow ObstructionBioprosthesisHeart Valve Prosthesis ImplantationAortic Valve InsufficiencyCatheterizationHeart Valve ProsthesisCarcinoid Heart DiseaseCardiac CatheterizationHeart Septal Defects, VentricularCardiac Valve AnnuloplastyBalloon ValvuloplastyHeart Defects, CongenitalEchocardiographyPulmonary Subvalvular StenosisTricuspid Valve InsufficiencyPulmonary ArteryMitral Valve InsufficiencyVentricular Function, RightCardiac Surgical ProceduresEndocarditisHeart ValvesMitral Valve ProlapseEndocarditis, BacterialVenous ValvesMitral Valve StenosisProsthesis DesignEchocardiography, DopplerNoonan SyndromeTricuspid Valve StenosisFetal HeartTreatment OutcomeVentricular Dysfunction, RightTricuspid AtresiaOligohydramniosHeart VentriclesProlapseReoperationFollow-Up StudiesUltrasonography, PrenatalInfant, NewbornEchocardiography, Doppler, ColorFibromaEchocardiography, TransesophagealHeart Septal DefectsHemodynamicsVentricular SeptumEndocarditis, Subacute BacterialHeart SeptumAbnormalities, MultipleDuctus ArteriosusHypertrophy, Right VentricularFetal DiseasesHeart NeoplasmsMitral Valve AnnuloplastyRetrospective StudiesHeart Septal Defects, AtrialEchocardiography, Three-DimensionalPostoperative ComplicationsTransposition of Great VesselsTime FactorsFetoscopyPericardiumSinus of ValsalvaDilatationAortic CoarctationFeasibility StudiesBlood Flow VelocityAngiography