Middle Cerebral ArteryInfarction, Middle Cerebral ArteryCerebral ArteriesPulmonary ArteryCerebrovascular CirculationBrain IschemiaCerebral InfarctionTomography, X-Ray ComputedCerebral Arterial DiseasesEmbolization, TherapeuticUltrasonography, Doppler, TranscranialCerebral AngiographyIschemic Attack, TransientArterial Occlusive DiseasesAnterior Cerebral ArteryArteriesTreatment OutcomeBrainBlood Flow VelocityPosterior Cerebral ArteryBrain EdemaReperfusionIntracranial Embolism and ThrombosisStrokeBasilar ArteryNeuroprotective AgentsCarotid Artery, InternalIntracranial AneurysmDisease Models, AnimalBrain InfarctionCerebrovascular DisordersCarotid ArteriesRats, Sprague-DawleyCerebral RevascularizationTemporal ArteriesMagnetic Resonance AngiographyTime FactorsCerebral HemorrhageSubarachnoid HemorrhageMagnetic Resonance ImagingInfarction, Anterior Cerebral ArteryUmbilical ArteriesConstrictionReperfusion InjuryRats, WistarIntracranial EmbolismAneurysm, RupturedCerebral CortexCircle of WillisBlood PressureUltrasonography, DopplerVertebral ArteryRegional Blood FlowCerebral VeinsCarotid Artery DiseasesNeurologic ExaminationTissue Plasminogen ActivatorPia MaterVasoconstrictionLaser-Doppler FlowmetryIntracranial ThrombosisCarotid Artery ThrombosisCerebral PalsyCatsVasodilationRenal ArteryIntracranial ArteriosclerosisCarotid Artery, ExternalEchoencephalographyBlood-Brain BarrierCarotid StenosisFemoral ArteryMesenteric ArteriesFibrinolytic AgentsAngiography, Digital SubtractionPulsatile FlowCraniotomyCollateral CirculationEar, MiddleCarbon DioxideAcute DiseaseMoyamoya DiseaseRats, Inbred SHRUltrasonography, PrenatalHypocapniaVasospasm, IntracranialThrombolytic TherapyIntracranial PressureInjections, Intra-ArterialRecovery of FunctionMuscle, Smooth, VascularInfarction, Posterior Cerebral ArteryNeuronsConstriction, PathologicPapioHemodynamicsRadial ArteryAcetazolamideSurgical InstrumentsCarotid Artery, Common