Pulmonary CirculationPulmonary EmphysemaEmphysemaSubcutaneous EmphysemaPulmonary ArteryMediastinal EmphysemaLungHypertension, PulmonaryBlood CirculationAnoxiaPulmonary Heart DiseaseVascular ResistanceDuctus ArteriosusHemodynamicsVasoconstrictionPulmonary VeinsHypertrophy, Right VentricularAtrial PressurePulmonary AlveoliBlood Pressurealpha 1-Antitrypsin DeficiencyPulmonary Gas ExchangeNitric OxidePancreatic ElastaseCardiac OutputCapillary ResistanceSheepVentricular Function, RightPersistent Fetal Circulation SyndromeAnatomy, RegionalDogsVasodilationPerfusionPulmonary Wedge PressurePulmonary Disease, Chronic ObstructiveVasodilator AgentsExtracorporeal CirculationModels, CardiovascularPulmonary EdemaBronchial ArteriesPneumonectomyBlood Flow VelocityTomography, X-Ray ComputedAdministration, InhalationCardiac Catheterization15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidPhysiologyOsteoarthropathy, Secondary HypertrophicRespiratory Function TestsFetusVentricular Dysfunction, RightLung DiseasesOxygenRegional Blood FlowRespirationSmokeSmokingVenous PressurePulsatile FlowMatrix Metalloproteinase 12SynchrotronsEndothelin-1Cardiography, Impedancealpha 1-AntitrypsinCapillariesTotal Lung CapacityChronic DiseaseMonocrotalinePulmonary Valve StenosisTime FactorsAnimals, NewbornForced Expiratory VolumeEndothelium, VascularVasoconstrictor AgentsPulmonary EmbolismBlood Gas AnalysisLung Volume MeasurementsDuctus Arteriosus, PatentProstaglandin Endoperoxides, SyntheticDisease Models, AnimalAdrenomedullinHeart Defects, CongenitalNitric Oxide SynthaseNitroarginineRats, Sprague-DawleyCollateral CirculationHeliumInfant, NewbornHeart VentriclesEndothelinsPulmonary Diffusing CapacityBronchiNitric Oxide Synthase Type IIIEpoprostenolMuscle, Smooth, VascularSwineBlood VesselsArteriovenous FistulaMicrocirculationAngiography