Cerebral ArteriesMiddle Cerebral ArteryInfarction, Middle Cerebral ArteryCerebral AngiographyArteriesBrain IschemiaCerebrovascular CirculationCerebral InfarctionPosterior Cerebral ArteryCerebral RevascularizationAnterior Cerebral ArteryBasilar ArteryMechanical ThrombolysisFibrinolytic AgentsArterial Occlusive DiseasesThrombolytic TherapyTissue Plasminogen ActivatorStrokeUltrasonography, Doppler, TranscranialCerebral Arterial DiseasesTreatment OutcomeIntracranial AneurysmCarotid Artery ThrombosisReperfusionCarotid Artery, InternalIntracranial ThrombosisCarotid ArteriesBrainThrombectomyMagnetic Resonance AngiographyFemoral ArteryTomography, X-Ray ComputedPulmonary ArteryCoronary OcclusionIschemic Attack, TransientVertebral ArteryEmbolization, TherapeuticTime FactorsIntracranial Embolism and ThrombosisCerebral HemorrhageBlood Flow VelocityCerebral PalsyVertebrobasilar InsufficiencyStentsMesenteric ArteriesRenal ArteryCarotid Artery DiseasesInjections, Intra-ArterialAcute DiseaseCerebral VeinsCerebrovascular DisordersSubarachnoid HemorrhageInfarction, Anterior Cerebral ArteryMagnetic Resonance ImagingIliac ArteryAneurysm, RupturedTemporal ArteriesBrain EdemaDisease Models, AnimalVascular PatencyAngiography, Digital SubtractionCircle of WillisCollateral CirculationCarotid StenosisFollow-Up StudiesInfarction, Posterior Cerebral ArteryRadial ArteryIntracranial EmbolismInfusions, Intra-ArterialRetrospective StudiesVasoconstrictionAngiographyProspective StudiesAngioplasty, BalloonCoronary Artery BypassMaxillary ArteryEmbolectomyCarotid Artery, CommonCatheterizationConstriction, PathologicRegional Blood FlowOphthalmic ArteryMalaria, CerebralCoronary VesselsRecovery of FunctionEndovascular ProceduresRats, Sprague-DawleyBrain InfarctionUmbilical ArteriesNeuroprotective AgentsMammary ArteriesBlood PressureRemission, SpontaneousInjections, IntravenousMuscle, Smooth, VascularSubclavian ArteryVascular Access DevicesUrokinase-Type Plasminogen ActivatorVasodilationPredictive Value of Tests