Mesenteric ArteriesMesenteric Artery, SuperiorFistulaAortic DiseasesMesenteric Artery, InferiorArteriovenous FistulaConstrictionAorta, AbdominalArterial Occlusive DiseasesIntestinal FistulaArteriesSpinal Cord IschemiaCutaneous FistulaBronchial FistulaVascular FistulaRectal FistulaGastric FistulaUrinary FistulaBalloon OcclusionEsophageal FistulaParaplegiaBiliary FistulaMesenteric Vascular OcclusionEmbolectomyIschemiaVena Cava, InferiorPancreatic FistulaRectovaginal FistulaCeliac ArteryVesicovaginal FistulaRespiratory Tract FistulaAorta, ThoracicVaginal FistulaEndarterectomySuperior Mesenteric Artery SyndromePulmonary ArteryAortographyTracheoesophageal FistulaCerebral ArteriesReperfusion InjuryTreatment OutcomeAortaTime FactorsRenal ArteryFemoral ArteryBlood PressureReperfusionInferior ColliculiDogsIschemic PreconditioningArterio-Arterial FistulaRegional Blood FlowCarotid ArteriesHemodynamicsUrinary Bladder FistulaVasodilationArteriovenous Shunt, SurgicalMuscle, Smooth, VascularVasoconstrictionCatheterizationBasilar ArteryBlood VolumeRats, Sprague-DawleySplanchnic CirculationIliac ArteryAortic Aneurysm, AbdominalCarotid-Cavernous Sinus FistulaRetinal Artery OcclusionMesenteric VeinsEmbolization, TherapeuticCarotid Artery, InternalCoronary OcclusionVertebral ArteryAngiographyTomography, X-Ray ComputedSpinal CordVasodilator AgentsBiological FactorsVasoconstrictor AgentsSplenic ArteryDisease Models, AnimalRadial ArteryEndothelium, VascularAcute DiseaseHepatic ArteryCarotid Artery DiseasesRetinal Vein OcclusionRats, WistarCoronary Artery BypassSwineConstriction, PathologicCoronary VesselsNorepinephrineSubclavian ArteryVascular PatencyStentsMammary ArteriesCerebral AngiographyCentral Nervous System Vascular MalformationsPhenylephrine