Mesenteric Artery, InferiorMesenteric Artery, SuperiorMesenteric ArteriesMesenteric Vascular OcclusionCeliac ArterySuperior Mesenteric Artery SyndromeArteriesSplanchnic CirculationRenal ArteryPulmonary ArteryDuodenostomyAneurysmTomography, X-Ray ComputedAortic Aneurysm, AbdominalBlood Vessel Prosthesis ImplantationCerebral ArteriesSplenic ArteryCarotid ArteriesFemoral ArteryMesenteric VeinsVasodilationAorta, AbdominalVasoconstrictionUltrasonography, DopplerMuscle, Smooth, VascularBasilar ArteryHepatic ArteryEmbolization, TherapeuticEndoleakColitis, IschemicIschemiaIliac ArteryRetroperitoneal SpaceVasoconstrictor AgentsAngiographyStentsVasodilator AgentsRegional Blood FlowAortographyTreatment OutcomeVertebral ArteryCoronary Artery BypassBiological FactorsEndothelium, VascularRadial ArteryMammary ArteriesNorepinephrineRats, WistarCarotid Artery, InternalPhenylephrineSubclavian ArteryAcetylcholineReperfusion InjuryPostoperative ComplicationsConstriction, PathologicCarotid Artery DiseasesRats, Sprague-DawleyDuodenal ObstructionCoronary VesselsBrachial ArteryBlood PressureMyographyRenal VeinsRetrospective StudiesTime FactorsNitric OxideRats, Inbred WKYCarotid Artery, CommonArterial Occlusive DiseasesMuscle ContractionDose-Response Relationship, DrugVascular Surgical ProceduresVisceraAneurysm, DissectingJejunostomyMuscle RelaxationLaparoscopyAneurysm, FalseOphthalmic ArteryRenal Artery ObstructionVena Cava, InferiorIntestinesPotassium ChlorideUmbilical ArteriesMiddle Cerebral ArteryDogsThoracic ArteriesPortal VeinAbdominal PainNG-Nitroarginine Methyl EsterTemporal ArteriesIntestine, SmallEndothelium-Dependent Relaxing FactorsAneurysm, RupturedBronchial ArteriesAortaAorta, ThoracicMesenteryPopliteal ArteryRats, Inbred SHR