Heart Septal Defects, VentricularHypertension, PulmonaryHeart Septal DefectsHeart Septal Defects, AtrialHeartPhenylisopropyladenosineRubidium RadioisotopesPulmonary ArteryHeart VentriclesVasa VasorumVentricular FunctionMyocardiumHypertrophy, Right VentricularHeart Defects, CongenitalMonocrotalinePersistent Fetal Circulation SyndromePulmonary CirculationCardiac CatheterizationGuinea PigsSeptal Occluder DeviceHeart RateAnoxiaHemodynamicsBlood PressureHeart SeptumAntihypertensive AgentsEchocardiographyVascular ResistanceVentricular Function, RightPulmonary Wedge PressureHypertension, PortalPulmonary EmbolismLungHypertension, RenalCardiac Surgical ProceduresHeart FailureVentricular Dysfunction, RightEchocardiography, TransesophagealAortopulmonary Septal DefectBalloon OcclusionVasodilator AgentsIloprostTreatment OutcomeInfant, NewbornTransposition of Great VesselsSulfonesHeart DiseasesInjections, EpiduralBone Morphogenetic Protein Receptors, Type IIAtrial SeptumHypertension, RenovascularEpoprostenolTime FactorsEchocardiography, DopplerProstheses and ImplantsEndarterectomyChronic DiseaseFollow-Up StudiesTetralogy of FallotTricuspid Valve InsufficiencyDisease Models, AnimalPurinesRisk FactorsPulmonary AtresiaFetal HeartHeart AtriaRetrospective StudiesHeart ValvesTricuspid ValveNitric OxideHeart InjuriesHypertension, MalignantAbnormalities, MultipleEisenmenger ComplexPulmonary Valve StenosisEndothelin-1Administration, InhalationDuctus Arteriosus, PatentProsthesis ImplantationPhosphodiesterase 5 InhibitorsProspective StudiesAortic CoarctationPoisonsHeart TransplantationEndocardial Cushion DefectsHeart AneurysmRats, Sprague-DawleyPulmonary Veno-Occlusive DiseasePulmonary VeinsHeart BlockPulmonary Heart DiseaseAortic Stenosis, SubvalvularPulmonary Subvalvular StenosisPregnancy Complications, CardiovascularVentricular Septal RuptureAngiocardiographyTruncus Arteriosus, PersistentArterial PressureCyanosisCyclic Nucleotide Phosphodiesterases, Type 5