Pulmonary CirculationPulmonary ArteryHypertension, PulmonaryVascular ResistanceBlood CirculationLungAnoxiaDrug ResistanceDuctus ArteriosusDrug Resistance, MicrobialPulmonary Heart DiseaseDrug Resistance, BacterialHemodynamicsVasoconstrictionDrug Resistance, NeoplasmPulmonary VeinsBlood PressureHypertrophy, Right VentricularAtrial PressureCapillary ResistanceNitric OxideCardiac OutputDrug Resistance, MultipleSheepDisease ResistanceVasodilationDogsVentricular Function, RightPersistent Fetal Circulation SyndromeAnatomy, RegionalPulmonary Gas ExchangePerfusionDrug Resistance, ViralDrug Resistance, Multiple, BacterialVasodilator AgentsPulmonary Wedge PressureModels, CardiovascularBlood Flow VelocityExtracorporeal CirculationRegional Blood FlowAnti-Bacterial AgentsPulmonary EdemaBronchial ArteriesCardiac Catheterization15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidPhysiologyFetusOsteoarthropathy, Secondary HypertrophicMicrobial Sensitivity TestsVentricular Dysfunction, RightAdministration, InhalationTime FactorsOxygenVenous PressureEndothelin-1RespirationCardiography, ImpedanceSynchrotronsPulsatile FlowVasoconstrictor AgentsEndothelium, VascularCapillariesAnimals, NewbornMonocrotalinePulmonary Valve StenosisPulmonary AlveoliPulmonary EmbolismNitric Oxide SynthaseTetracycline ResistanceMutationRats, Sprague-DawleyProstaglandin Endoperoxides, SyntheticAdrenomedullinDuctus Arteriosus, PatentNitroarginineHeart Defects, CongenitalCollateral CirculationChronic DiseaseSwineMicrocirculationMuscle, Smooth, VascularDose-Response Relationship, DrugEndothelinsInfant, NewbornNitric Oxide Synthase Type IIIPlant DiseasesBlood VesselsPenicillin ResistanceEpoprostenolHeart VentriclesPregnancyBlood VolumeAirway ResistanceBlood Gas AnalysisArteriovenous FistulaLung DiseasesDrug Resistance, FungalAngiographyNitroprussideReceptors, Endothelin