Hypertension, PulmonaryHypertensionPulmonary ArteryHypertrophy, Right VentricularMonocrotalinePersistent Fetal Circulation SyndromePulmonary CirculationAnoxiaBlood PressureAntihypertensive AgentsHypertension, PortalVascular ResistanceHemodynamicsHypertension, RenalPulmonary EmbolismPulmonary Wedge PressureVentricular Function, RightLungIloprostVasodilator AgentsSulfonesVentricular Dysfunction, RightBone Morphogenetic Protein Receptors, Type IIHypertension, RenovascularEpoprostenolEndarterectomyPurinesCardiac CatheterizationHypertension, MalignantChronic DiseaseNitric OxideAdministration, InhalationPhosphodiesterase 5 InhibitorsEndothelin-1PoisonsDisease Models, AnimalRisk FactorsEchocardiography, DopplerCyclic Nucleotide Phosphodiesterases, Type 5Pulmonary Heart DiseaseArterial PressureMuscle, Smooth, VascularPulmonary Veno-Occlusive DiseasePhosphodiesterase InhibitorsRats, Sprague-DawleyEchocardiographyVasoconstrictionPiperazinesReceptors, EndothelinCardiac OutputHypertension, Pregnancy-InducedScleroderma, SystemicTreatment OutcomeProstaglandins ITricuspid Valve InsufficiencyTime FactorsPregnancy Complications, CardiovascularNitric Oxide Synthase Type IIIThromboembolismOcular HypertensionBlood Pressure DeterminationPulmonary Gas ExchangeRetrospective StudiesDexfenfluramineVasodilationSheepAminorexEndothelium, VascularMyocytes, Smooth MuscleHeart VentriclesFollow-Up StudiesProspective StudiesAppetite DepressantsSeverity of Illness IndexSystoleEisenmenger ComplexReceptor, Endothelin ACatheterization, Swan-GanzFenfluramineLung TransplantationRats, Inbred SHRPrevalenceHeart Defects, CongenitalReninInfant, NewbornHeart-Lung TransplantationRats, WistarAnemia, Sickle CellAltitude SicknessOxygenExercise ToleranceIntracranial HypertensionRats, Inbred WKYSulfonamidesVentricular Pressure15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidPulmonary EdemaVasoconstrictor AgentsKidneyDiethylpropion