Hypertension, PulmonaryHeart Septal DefectsHeart Septal Defects, AtrialHeart Septal Defects, VentricularPulmonary ArteryIloprostPulmonary Wedge PressurePulmonary CirculationHypertrophy, Right VentricularCardiac CatheterizationVentricular Function, RightHypertensionEisenmenger ComplexHemodynamicsEpoprostenolHeartVascular ResistanceVasodilator AgentsPulmonary EmbolismAnoxiaPulmonary Heart DiseasePulmonary Veno-Occlusive DiseaseSulfonesHeart Defects, CongenitalEchocardiographyAdministration, InhalationDuctus Arteriosus, PatentBlood PressureVentricular Dysfunction, RightMonocrotalinePurinesLungPersistent Fetal Circulation SyndromeMitral Valve StenosisEchocardiography, DopplerSeptal Occluder DeviceFatal OutcomeHeart RateNitric OxideTreatment OutcomeHeart SeptumAntihypertensive AgentsSeverity of Illness IndexPiperazinesHypertension, PortalHypertension, RenalCardiac Surgical ProceduresHeart FailureEchocardiography, TransesophagealAortopulmonary Septal DefectBalloon OcclusionInfant, NewbornTransposition of Great VesselsHeart DiseasesEchocardiography, Doppler, ColorBone Morphogenetic Protein Receptors, Type IIAtrial SeptumHypertension, RenovascularTime FactorsProstheses and ImplantsEndarterectomyChronic DiseaseFollow-Up StudiesTetralogy of FallotHeart VentriclesTricuspid Valve InsufficiencyDisease Models, AnimalRisk FactorsPulmonary AtresiaFetal HeartHeart AtriaRetrospective StudiesHeart ValvesTricuspid ValveHeart InjuriesHypertension, MalignantAbnormalities, MultiplePulmonary Valve StenosisEndothelin-1Prosthesis ImplantationPhosphodiesterase 5 InhibitorsProspective StudiesAortic CoarctationPoisonsHeart TransplantationEndocardial Cushion DefectsHeart AneurysmRats, Sprague-DawleyPulmonary VeinsHeart BlockAortic Stenosis, SubvalvularMyocardiumPulmonary Subvalvular StenosisPregnancy Complications, CardiovascularVentricular Septal RuptureAngiocardiographyTruncus Arteriosus, PersistentArterial PressureCyanosisCyclic Nucleotide Phosphodiesterases, Type 5