Pulmonary ArteryLungArteriesHypertension, PulmonaryPulmonary CirculationLung DiseasesCarotid ArteriesRenal ArteryCatheterization, Swan-GanzMesenteric ArteriesFemoral ArteryLung NeoplasmsCerebral ArteriesBasilar ArteryPulmonary Wedge PressureAnoxiaVasoconstrictionMuscle, Smooth, VascularCoronary Artery BypassLung InjuryIliac ArterySubclavian ArteryVertebral ArteryLung TransplantationBronchial ArteriesHemodynamicsRadial ArteryMammary ArteriesEndothelium, VascularCarcinoma, Non-Small-Cell LungCarotid Artery, InternalCardiac CatheterizationVasodilationCarotid Artery DiseasesCoronary VesselsPulmonary EmbolismTomography, X-Ray ComputedBlood PressureSplenic ArteryBrachial ArteryHypertrophy, Right VentricularVasodilator AgentsAngiographyTreatment OutcomeHepatic ArteryMonocrotalineCarotid Artery, CommonPulmonary Valve StenosisAcute Lung InjuryHeart Defects, CongenitalPulmonary AtresiaHeart Septal Defects, VentricularVascular NeoplasmsCeliac ArteryDogsArterial Occlusive DiseasesVasoconstrictor AgentsOphthalmic ArteryNitric OxideTetralogy of FallotMesenteric Artery, SuperiorCardiac OutputMyocytes, Smooth MuscleDuctus ArteriosusCoronary Vessel AnomaliesPulmonary VeinsArterio-Arterial FistulaConstriction, PathologicAneurysmVentricular Function, RightUmbilical ArteriesSwineVascular ResistanceMiddle Cerebral ArteryRenal Artery ObstructionThoracic ArteriesTime FactorsCoronary AngiographyTemporal ArteriesTransposition of Great VesselsRats, Sprague-DawleyLung Volume MeasurementsPulmonary EdemaDuctus Arteriosus, PatentCatheterizationCells, CulturedSheepDose-Response Relationship, DrugPopliteal ArteryUlnar ArteryEchocardiography, Doppler15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidFollow-Up StudiesAortaPulmonary ValveEchocardiographyRetrospective StudiesAorta, ThoracicUterine ArteryProspective Studies