Mesenteric Artery, InferiorMesenteric Artery, SuperiorMesenteric ArteriesMesenteric Vascular OcclusionCeliac ArterySuperior Mesenteric Artery SyndromeArteriesSplanchnic CirculationRenal ArteryPulmonary ArteryDuodenostomyAneurysmTomography, X-Ray ComputedAortic Aneurysm, AbdominalMesenteric VeinsBlood Vessel Prosthesis ImplantationCerebral ArteriesSplenic ArteryCarotid ArteriesFemoral ArteryVasodilationAorta, AbdominalVasoconstrictionUltrasonography, DopplerMuscle, Smooth, VascularBasilar ArteryHepatic ArteryEmbolization, TherapeuticEndoleakColitis, IschemicIschemiaVeinsIliac ArteryVasoconstrictor AgentsAngiographyRetroperitoneal SpaceStentsVasodilator AgentsRegional Blood FlowTreatment OutcomeAortographyVertebral ArteryEndothelium, VascularCoronary Artery BypassPortal VeinBiological FactorsRadial ArteryRenal VeinsMammary ArteriesNorepinephrineRats, WistarCarotid Artery, InternalPhenylephrineSubclavian ArteryConstriction, PathologicAcetylcholinePostoperative ComplicationsReperfusion InjuryRats, Sprague-DawleyCarotid Artery DiseasesDuodenal ObstructionCoronary VesselsBrachial ArterySaphenous VeinBlood PressureTime FactorsRetrospective StudiesMyographyNitric OxideCarotid Artery, CommonRats, Inbred WKYArterial Occlusive DiseasesMuscle ContractionVascular Surgical ProceduresDose-Response Relationship, DrugVena Cava, InferiorVisceraAneurysm, DissectingMuscle RelaxationJejunostomyLaparoscopyAneurysm, FalseOphthalmic ArteryRenal Artery ObstructionIntestinesPotassium ChlorideDogsUmbilical ArteriesMiddle Cerebral ArteryThoracic ArteriesAbdominal PainNG-Nitroarginine Methyl EsterTemporal ArteriesPopliteal ArteryIntestine, SmallAortaEndothelium-Dependent Relaxing FactorsAneurysm, RupturedBronchial ArteriesMesentery