Mesenteric Artery, InferiorMesenteric Artery, SuperiorMesenteric ArteriesMesenteric Vascular OcclusionCeliac ArteryArteriesSuperior Mesenteric Artery SyndromePulmonary ArteryRenal ArterySplanchnic CirculationCerebral ArteriesCarotid ArteriesAneurysmDuodenostomyTomography, X-Ray ComputedFemoral ArterySplenic ArteryAortic Aneurysm, AbdominalBasilar ArteryBlood Vessel Prosthesis ImplantationVasodilationVasoconstrictionHepatic ArteryMuscle, Smooth, VascularMesenteric VeinsAorta, AbdominalUltrasonography, DopplerIliac ArteryEmbolization, TherapeuticVertebral ArteryEndoleakCoronary Artery BypassColitis, IschemicIschemiaAngiographyVasoconstrictor AgentsStentsRadial ArteryVasodilator AgentsMammary ArteriesRetroperitoneal SpaceRegional Blood FlowTreatment OutcomeCarotid Artery, InternalAortographyEndothelium, VascularSubclavian ArteryBiological FactorsCarotid Artery DiseasesNorepinephrineRats, WistarBrachial ArteryCoronary VesselsPhenylephrineCarotid Artery, CommonAcetylcholineConstriction, PathologicPostoperative ComplicationsReperfusion InjuryRats, Sprague-DawleyBlood PressureTime FactorsArterial Occlusive DiseasesRetrospective StudiesMyographyDuodenal ObstructionOphthalmic ArteryNitric OxideRenal Artery ObstructionRenal VeinsRats, Inbred WKYMuscle ContractionDose-Response Relationship, DrugUmbilical ArteriesMiddle Cerebral ArteryThoracic ArteriesVascular Surgical ProceduresAneurysm, DissectingTemporal ArteriesMuscle RelaxationAneurysm, FalseBronchial ArteriesVisceraPopliteal ArteryJejunostomyLaparoscopyUlnar ArteryDogsPotassium ChlorideVena Cava, InferiorIntestinesUterine ArteryCoronary AngiographyNG-Nitroarginine Methyl EsterPortal VeinAneurysm, RupturedCarotid Artery, ExternalAortaAorta, ThoracicAngioplasty, Balloon