Reperfusion InjuryInfarction, Middle Cerebral ArteryBrain InjuriesCerebral ArteriesBrain IschemiaMyocardial Reperfusion InjuryReperfusionIschemiaMiddle Cerebral ArteryMyocardial IschemiaMyocardial ReperfusionCerebral InfarctionCerebrovascular CirculationDisease Models, AnimalIschemic Attack, TransientRats, Sprague-DawleyNeuroprotective AgentsArterial Occlusive DiseasesBrainCerebral Arterial DiseasesRats, WistarIschemic PreconditioningBrain EdemaTime FactorsRetinal Artery OcclusionConstrictionIschemic Preconditioning, MyocardialMyocardiumBrain InfarctionStrokeArteriesMyocardial InfarctionMice, Inbred C57BLCerebral AngiographyPosterior Cerebral ArteryCerebral CortexPeroxidaseAnterior Cerebral ArteryCardiotonic AgentsIschemic PostconditioningRecovery of FunctionHemodynamicsBlood-Brain BarrierMagnetic Resonance ImagingDogsWarm IschemiaNeuronsApoptosisBasilar ArteryNecrosisRandom AllocationCoronary CirculationCarotid Artery, InternalOxidative StressMice, KnockoutMalondialdehydeHypothermia, InducedBlood PressureBrain ChemistryWounds and InjuriesImmunohistochemistryHeartTreatment OutcomePerfusionBlood Flow VelocityMicrocirculationRegional Blood FlowProtective AgentsCold IschemiaOxygenMyocytes, CardiacHypoxia-Ischemia, BrainCytoprotectionCell DeathCollateral CirculationLaser-Doppler FlowmetryGerbillinaeTissue Plasminogen ActivatorNitric OxideTomography, X-Ray ComputedCerebral HemorrhageIn Situ Nick-End LabelingBrain Injury, ChronicSuperoxide DismutaseLigationCoronary VesselsFemoral ArteryCarotid ArteriesHypoxia, BrainKidneyFibrinolytic AgentsNeurologic ExaminationCerebrovascular DisordersIntracranial Embolism and ThrombosisTetrazolium SaltsL-Lactate DehydrogenaseModels, AnimalBlotting, WesternThrombolytic TherapyMagnetic Resonance Angiography