Reperfusion InjuryBrain IschemiaInfarction, Middle Cerebral ArteryNeuroprotective AgentsReperfusionIschemic Attack, TransientCerebral InfarctionErigeronMyocardial Reperfusion InjuryIschemiaBrain EdemaRats, Sprague-DawleyBrainGerbillinaeRats, WistarDisease Models, AnimalMyocardial IschemiaMyocardial ReperfusionBrain InfarctionBlood-Brain BarrierMalondialdehydeCerebrovascular CirculationNeuronsCerebral ArteriesTime FactorsCaspase 3HippocampusIschemic PreconditioningApoptosisMice, KnockoutMyocardiumIschemic Preconditioning, MyocardialBrain ChemistryMiddle Cerebral ArteryIschemic PostconditioningBrain InjuriesMice, Inbred C57BLMyocardial InfarctionCardiotonic AgentsWarm IschemiaCerebral PalsyPeroxidaseConstrictionMagnetic Resonance ImagingOxidative StressCerebral AngiographyCerebral CortexBrain NeoplasmsCell DeathPerfusionStrokeCerebral HemorrhageCold IschemiaOxygenRandom AllocationProtective AgentsNecrosisImmunohistochemistryHypothermia, InducedHemodynamicsMyocytes, CardiacHeartMicrocirculationL-Lactate DehydrogenaseHypoxia, BrainDogsSuperoxide DismutaseIn Situ Nick-End LabelingCytoprotectionSubarachnoid HemorrhageBrain MappingCerebral VeinsAntioxidantsBlood PressureCoronary CirculationMitochondria, HeartCreatine KinaseCerebrovascular DisordersKidneyBlotting, WesternReactive Oxygen SpeciesNitric OxideMalaria, CerebralIntracranial Embolism and ThrombosisSpinal Cord IschemiaNeutrophil InfiltrationEnzyme InhibitorsRNA, MessengerArterial Occlusive DiseasesFree Radical ScavengersSignal TransductionRabbitsModels, AnimalCells, CulturedMyocardial ContractionLiverRecovery of FunctionBlood Flow VelocityDose-Response Relationship, DrugAnalysis of Variance