Pulmonary CirculationPulmonary ArteryLung Diseases, InterstitialHypertension, PulmonaryLungBlood CirculationAnoxiaVascular ResistanceDuctus ArteriosusPulmonary Heart DiseaseHemodynamicsVasoconstrictionPulmonary VeinsCystitis, InterstitialHypertrophy, Right VentricularAtrial PressureBlood PressureInterstitial Cells of CajalNitric OxideCapillary ResistanceSheepCardiac OutputDogsVentricular Function, RightPersistent Fetal Circulation SyndromeAnatomy, RegionalPulmonary Gas ExchangeVasodilationPerfusionPulmonary EdemaExtracellular FluidModels, CardiovascularPulmonary Wedge PressureVasodilator AgentsExtracorporeal CirculationBlood Flow VelocityBronchial ArteriesCardiac CatheterizationFetusRegional Blood Flow15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidPhysiologyPulmonary AlveoliOsteoarthropathy, Secondary HypertrophicCapillariesVentricular Dysfunction, RightAdministration, InhalationOxygenVenous PressureEndothelin-1Time FactorsSynchrotronsCardiography, ImpedanceRats, Sprague-DawleyRespirationAnimals, NewbornPulsatile FlowLung DiseasesVasoconstrictor AgentsEndothelium, VascularMonocrotalineChronic DiseasePulmonary Valve StenosisPressurePulmonary EmbolismIdiopathic Interstitial PneumoniasPulmonary FibrosisNitric Oxide SynthaseExtracellular SpaceDuctus Arteriosus, PatentNitroarginineProstaglandin Endoperoxides, SyntheticHeart Defects, CongenitalMicrocirculationAdrenomedullinBlood VesselsHeart VentriclesCollateral CirculationSwineEndothelinsFibrosisMuscle, Smooth, VascularNitric Oxide Synthase Type IIIEpoprostenolDisease Models, AnimalHeartBlood VolumeInfant, NewbornBlood Gas AnalysisPregnancyRabbitsArteriovenous FistulaAngiographyCapillary PermeabilityReceptors, EndothelinCyclic GMPRats, WistarEnterohepatic CirculationHematocritHeart Rate