Mesenteric ArteriesDuodenumMesenteric Artery, SuperiorCeliac ArteryIleal DiseasesIntussusceptionPancreasAneurysmPancreas TransplantationPancreaticoduodenectomyArteriesSplenic ArteryMesenteric Artery, InferiorAngiographyAnastomosis, SurgicalHepatic ArteryAneurysm, FalseCecal DiseasesStrongyloideaColectomyIleitisColonic DiseasesIleumArterial Occlusive DiseasesAmpulla of VaterCrohn DiseaseMesenteric Vascular OcclusionTreatment OutcomeTomography, X-Ray ComputedEmbolization, TherapeuticSuperior Mesenteric Artery SyndromeLaparoscopyDogsPulmonary ArteryRenal ArteryCerebral ArteriesVasodilationMuscle, Smooth, VascularCarotid ArteriesVasoconstrictionFemoral ArterySplanchnic CirculationPostoperative ComplicationsBasilar ArteryTime FactorsColonMesenteric VeinsBiological FactorsVasoconstrictor AgentsVasodilator AgentsRecurrenceIliac ArteryEndothelium, VascularNorepinephrineVertebral ArteryCoronary Artery BypassPhenylephrineMyographyRadial ArteryMammary ArteriesRats, WistarAcetylcholineCarotid Artery, InternalDuodenostomySubclavian ArteryRats, Inbred WKYRats, Sprague-DawleyMuscle RelaxationMuscle ContractionCarotid Artery DiseasesCoronary VesselsNitric OxideDose-Response Relationship, DrugBrachial ArteryBlood PressureSuperior ColliculiVena Cava, SuperiorEndothelium-Dependent Relaxing FactorsCarotid Artery, CommonRats, Inbred SHRRenal Artery ObstructionOphthalmic ArteryRegional Blood FlowPotassium ChlorideCharybdotoxin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidNG-Nitroarginine Methyl EsterStentsConstriction, PathologicMiddle Cerebral ArteryUmbilical ArteriesThoracic ArteriesRabbitsUltrasonography, DopplerTemporal ArteriesIndomethacinBronchial ArteriesAortaPopliteal ArteryNitroprusside