Pulmonary ArteryArteriesHypertension, PulmonaryPulmonary CirculationCarotid ArteriesRenal ArteryCatheterization, Swan-GanzMesenteric ArteriesFemoral ArteryCerebral ArteriesBasilar ArteryPulmonary Wedge PressureMuscle, Smooth, VascularCoronary Artery BypassVasoconstrictionIliac ArterySubclavian ArteryVertebral ArteryAnoxiaBronchial ArteriesRadial ArteryHemodynamicsMammary ArteriesCarotid Artery, InternalEndothelium, VascularCardiac CatheterizationVasodilationCarotid Artery DiseasesCoronary VesselsSplenic ArteryBrachial ArteryBlood PressurePulmonary EmbolismVasodilator AgentsAngiographyLungHypertrophy, Right VentricularHepatic ArteryCarotid Artery, CommonPulmonary Valve StenosisMonocrotalineHeart Defects, CongenitalPulmonary AtresiaHeart Septal Defects, VentricularVascular NeoplasmsCeliac ArteryVasoconstrictor AgentsArterial Occlusive DiseasesTreatment OutcomeOphthalmic ArteryTetralogy of FallotMesenteric Artery, SuperiorTomography, X-Ray ComputedCoronary Vessel AnomaliesDuctus ArteriosusMyocytes, Smooth MuscleArterio-Arterial FistulaAneurysmCardiac OutputConstriction, PathologicPulmonary VeinsUmbilical ArteriesVentricular Function, RightMiddle Cerebral ArteryDogsNitric OxideRenal Artery ObstructionThoracic ArteriesTime FactorsCoronary AngiographyVascular ResistanceTemporal ArteriesTransposition of Great VesselsSwineDuctus Arteriosus, PatentPopliteal ArteryUlnar ArteryCatheterizationEchocardiography, DopplerPulmonary ValveEchocardiographyAorta15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidUterine ArteryAorta, ThoracicCarotid Artery, ExternalStentsRegional Blood FlowFontan ProcedureRats, Sprague-DawleyCoronary DiseaseCardiac Surgical ProceduresSheepFollow-Up StudiesThermodilutionDose-Response Relationship, DrugEndothelin-1Carotid Artery InjuriesCells, CulturedLigation