EmbolismIntracranial Embolism and ThrombosisMesenteric ArteriesMesenteric Artery, SuperiorMesenteric Artery, InferiorArteriesMyocardial InfarctionInfarctionCerebral InfarctionMesenteric Vascular OcclusionCeliac ArterySuperior Mesenteric Artery SyndromeCerebral ArteriesPulmonary ArteryRenal ArteryFemoral ArteryCarotid ArteriesTime FactorsVasodilationArterial Occlusive DiseasesMuscle, Smooth, VascularVasoconstrictionBasilar ArteryCoronary OcclusionTreatment OutcomeSplanchnic CirculationRetinal Artery OcclusionVasodilator AgentsCarotid Artery, InternalMesenteric VeinsCoronary Artery BypassIliac ArteryCoronary VesselsInfarction, Middle Cerebral ArteryCoronary AngiographyVasoconstrictor AgentsTomography, X-Ray ComputedBiological FactorsVertebral ArteryBalloon OcclusionRats, WistarEndothelium, VascularSplenic ArteryStentsAngiographyCarotid Artery DiseasesElectrocardiographyRetinal Vein OcclusionRats, Sprague-DawleyBlood PressureAngioplasty, Balloon, CoronaryNorepinephrineHepatic ArteryDogsProspective StudiesRadial ArteryCoronary DiseaseBrain IschemiaPhenylephrineThrombolytic TherapySubclavian ArteryRisk FactorsMammary ArteriesAcetylcholineRegional Blood FlowMyographyDisease Models, AnimalRetrospective StudiesConstriction, PathologicHemodynamicsDose-Response Relationship, DrugCerebral AngiographyCoronary CirculationRats, Inbred WKYDuodenostomyNitric OxideEmbolization, TherapeuticMiddle Cerebral ArteryBrachial ArteryMyocardial ReperfusionCarotid Artery, CommonMuscle ContractionLigationMuscle RelaxationAneurysmPredictive Value of TestsMagnetic Resonance AngiographyVena Cava, SuperiorIschemiaVascular PatencyConstrictionMyocardiumStrokeCerebrovascular CirculationRats, Inbred SHRDental OcclusionAcute DiseaseSuperior ColliculiOphthalmic ArteryReperfusion Injury