Renal ArteryMesenteric ArteriesRenal Artery ObstructionMesenteric Artery, SuperiorArteriesMesenteric Artery, InferiorPulmonary ArteryCeliac ArteryHypertension, RenovascularCarotid ArteriesFemoral ArteryCerebral ArteriesMesenteric Vascular OcclusionBasilar ArteryIliac ArterySuperior Mesenteric Artery SyndromeAngiographyVasoconstrictionVasodilationMuscle, Smooth, VascularSplenic ArteryVertebral ArteryCoronary Artery BypassRadial ArteryHepatic ArteryAneurysmMammary ArteriesStentsVasoconstrictor AgentsCarotid Artery, InternalSplanchnic CirculationSubclavian ArteryVasodilator AgentsEndothelium, VascularRenal VeinsAorta, AbdominalTomography, X-Ray ComputedAngioplasty, BalloonTreatment OutcomeBlood PressureCarotid Artery DiseasesBiological FactorsBrachial ArteryCoronary VesselsSuperior ColliculiMesenteric VeinsVena Cava, SuperiorCarotid Artery, CommonNorepinephrineTime FactorsKidneyRats, WistarAcetylcholineOphthalmic ArteryPhenylephrineRats, Sprague-DawleyArterial Occlusive DiseasesDogsBlood Vessel Prosthesis ImplantationAngioplastyMagnetic Resonance AngiographyHypertension, RenalMiddle Cerebral ArteryRegional Blood FlowUmbilical ArteriesRenal CirculationNitric OxideThoracic ArteriesVascular Surgical ProceduresRats, Inbred WKYUltrasonography, DopplerMyographyDose-Response Relationship, DrugTemporal ArteriesAngiography, Digital SubtractionAortographyAortic Aneurysm, AbdominalMuscle ContractionMuscle RelaxationBronchial ArteriesHypertensionVascular PatencyRetrospective StudiesPopliteal ArteryUltrasonography, Doppler, DuplexUlnar ArteryCoronary AngiographyFollow-Up StudiesConstriction, PathologicUterine ArteryEmbolization, TherapeuticBlood Vessel ProsthesisRabbitsCarotid Artery, ExternalDuodenostomyHemodynamicsRats, Inbred SHR15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidNG-Nitroarginine Methyl EsterProspective Studies