Pulmonary ArteryPulmonary CirculationPulmonary AtresiaAortopulmonary Septal DefectDuctus ArteriosusFontan ProcedureDuctus Arteriosus, PatentTetralogy of FallotArteriesEndarteritisTracheal StenosisHeart Bypass, RightHeart Defects, CongenitalCardiac CatheterizationHypoplastic Left Heart SyndromePulmonary ValvePulmonary Valve StenosisHypertension, PulmonaryLungConstriction, PathologicPulmonary EmbolismHemodynamicsAorta, ThoracicAortaLigationTreatment OutcomeSheepCarotid ArteriesVascular ResistanceRenal ArteryTomography, X-Ray ComputedBlood Flow VelocityCatheterization, Swan-GanzMesenteric ArteriesFemoral ArteryCerebral ArteriesRegional Blood FlowBasilar ArteryVentricular Function, LeftFetusPulmonary Wedge PressureTime FactorsFollow-Up StudiesCoronary Artery BypassInfant, NewbornSubclavian ArteryMuscle, Smooth, VascularVasoconstrictionIliac ArteryVertebral ArteryAnoxiaMammary ArteriesBronchial ArteriesRadial ArteryVentricular Dysfunction, LeftCoronary VesselsEndothelium, VascularCarotid Artery, InternalBlood PressureVasodilationCarotid Artery DiseasesEchocardiographySplenic ArteryBrachial ArteryAngiographyVasodilator AgentsHypertrophy, Right VentricularHeart VentriclesDogsCarotid Artery, CommonHepatic ArteryCoronary Vessel AnomaliesHeart Septal Defects, VentricularMonocrotalineCardiac OutputPulmonary VeinsCoronary AngiographyVentricular Function, RightCeliac ArteryVascular NeoplasmsArterial Occlusive DiseasesVasoconstrictor AgentsHypertrophy, Left VentricularOphthalmic ArteryMesenteric Artery, SuperiorArterio-Arterial FistulaAneurysmMyocytes, Smooth MuscleNitric OxideMiddle Cerebral ArteryUmbilical ArteriesThoracic ArteriesRenal Artery ObstructionSwineTransposition of Great VesselsCatheterizationTemporal ArteriesStroke VolumeCoronary CirculationCoronary Disease