Mesenteric Artery, InferiorMesenteric Artery, SuperiorCeliac ArteryMesenteric ArteriesMesenteric Vascular OcclusionArteriesSuperior Mesenteric Artery SyndromeSplenic ArterySplanchnic CirculationAneurysmPulmonary ArteryRenal ArteryTomography, X-Ray ComputedBlood Vessel Prosthesis ImplantationCerebral ArteriesCarotid ArteriesAortic Aneurysm, AbdominalDuodenostomyFemoral ArteryHepatic ArteryAorta, AbdominalBasilar ArteryVasodilationAngiographyConstriction, PathologicEmbolization, TherapeuticIschemiaVasoconstrictionEndoleakMuscle, Smooth, VascularMesenteric VeinsUltrasonography, DopplerIliac ArteryStentsAortographyArterial Occlusive DiseasesTreatment OutcomeVertebral ArteryCoronary Artery BypassColitis, IschemicVasoconstrictor AgentsRadial ArteryVasodilator AgentsMammary ArteriesRetroperitoneal SpaceRegional Blood FlowAbdominal PainCarotid Artery, InternalEndothelium, VascularSubclavian ArteryBiological FactorsCarotid Artery DiseasesReperfusion InjuryNorepinephrineRats, WistarBrachial ArteryVisceraCoronary VesselsAneurysm, DissectingPhenylephrineRetrospective StudiesTime FactorsCarotid Artery, CommonAcetylcholinePostoperative ComplicationsVascular Surgical ProceduresRats, Sprague-DawleyBlood PressureMyographyDuodenal ObstructionOphthalmic ArteryLaparoscopyNitric OxideRenal Artery ObstructionRenal VeinsRats, Inbred WKYAngioplasty, BalloonMuscle ContractionEndovascular ProceduresDose-Response Relationship, DrugUmbilical ArteriesAnastomosis, SurgicalMiddle Cerebral ArteryThoracic ArteriesLigamentsTemporal ArteriesMuscle RelaxationAneurysm, FalseAortic Aneurysm, ThoracicBronchial ArteriesVenous CutdownPopliteal ArteryJejunostomyUlnar ArteryDogsPotassium ChlorideBlood Vessel ProsthesisTuberculosis, CardiovascularVena Cava, InferiorIntestines