EmbolismIntracranial Embolism and ThrombosisMesenteric ArteriesMesenteric Artery, SuperiorThromboembolismMesenteric Artery, InferiorArteriesMesenteric Vascular OcclusionRetinal Artery OcclusionCeliac ArteryCoronary OcclusionArterial Occlusive DiseasesPulmonary ArteryBalloon OcclusionCerebral ArteriesSuperior Mesenteric Artery SyndromeRetinal Vein OcclusionPulmonary EmbolismFemoral ArteryRenal ArteryCarotid ArteriesAnticoagulantsCarotid Artery, InternalTreatment OutcomeVasodilationInfarction, Middle Cerebral ArteryBasilar ArterySplanchnic CirculationTime FactorsVasoconstrictionMuscle, Smooth, VascularAngiographyEndarterectomyEmbolization, TherapeuticIliac ArteryDental OcclusionBrain IschemiaVasodilator AgentsTomography, X-Ray ComputedCarotid Artery DiseasesMesenteric VeinsVertebral ArteryCerebral AngiographyVasoconstrictor AgentsEndothelium, VascularHypertension, PulmonaryRats, WistarDogsBiological FactorsCoronary VesselsSplenic ArteryRegional Blood FlowStentsRats, Sprague-DawleyBlood PressureCerebral InfarctionThrombosisConstrictionRetrospective StudiesConstriction, PathologicMuscular Atrophy, SpinalCoronary Artery BypassHepatic ArteryFollow-Up StudiesDisease Models, AnimalVenous ThrombosisWarfarinIntracranial AneurysmCerebrovascular CirculationNorepinephrineMiddle Cerebral ArteryCollateral CirculationSubclavian ArteryIschemiaCarotid Artery ThrombosisHemodynamicsIntracranial ThrombosisRadial ArteryDose-Response Relationship, DrugFibrinolytic AgentsPhenylephrineStrokeAcetylcholineMammary ArteriesProspective StudiesRisk FactorsSurvival of Motor Neuron 1 ProteinIschemic Attack, TransientGraft Occlusion, VascularAneurysmMagnetic Resonance AngiographyReperfusion InjuryPostoperative ComplicationsMyographyDuodenostomyIntracranial EmbolismThrombophlebitisAngioplasty, BalloonBrachial ArteryCerebral Arterial Diseases