Retinal Artery OcclusionArteriesInfarction, Middle Cerebral ArteryArterial Occlusive DiseasesCerebral ArteriesBrain IschemiaPulmonary ArteryCarotid Artery, InternalFemoral ArteryBasilar ArteryCoronary OcclusionCarotid ArteriesCerebral InfarctionRenal ArteryVertebral ArteryCerebral Arterial DiseasesCarotid Artery DiseasesCerebrovascular CirculationBalloon OcclusionIliac ArteryMesenteric ArteriesIschemic Attack, TransientMiddle Cerebral ArteryReperfusionConstrictionCerebral AngiographyRetinal Vein OcclusionCollateral CirculationCoronary VesselsVertebrobasilar InsufficiencyDisease Models, AnimalTime FactorsCoronary Artery BypassSubclavian ArteryRadial ArteryCarotid Artery ThrombosisDogsNeuroprotective AgentsTreatment OutcomeOphthalmic ArteryStrokeAngiographyBrainMammary ArteriesCarotid Artery, CommonCarotid StenosisCarotid Artery, ExternalCeliac ArteryReperfusion InjuryRats, Sprague-DawleySplenic ArteryHemodynamicsCoronary DiseaseMyocardial InfarctionMesenteric Vascular OcclusionCoronary CirculationMesenteric Artery, SuperiorEmbolization, TherapeuticLigationBrain EdemaStentsTomography, X-Ray ComputedRegional Blood FlowBrain InfarctionMagnetic Resonance AngiographyBrachial ArteryRenal Artery ObstructionUlnar ArteryCerebral RevascularizationPopliteal ArteryHepatic ArteryRats, WistarDental OcclusionBlood PressureCoronary AngiographyConstriction, PathologicTemporal ArteriesVascular PatencyMyocardial Reperfusion InjuryAngiography, Digital SubtractionMyocardial IschemiaInjections, Intra-ArterialAngioplasty, BalloonIntracranial AneurysmFollow-Up StudiesTissue Plasminogen ActivatorFibrinolytic AgentsThrombolytic TherapyThoracic ArteriesIschemiaVasodilationGraft Occlusion, VascularCircle of WillisIschemic Preconditioning, MyocardialUmbilical ArteriesRetrospective StudiesGerbillinaeCerebrovascular DisordersBronchial ArteriesThrombectomy