Reperfusion InjuryBrain IschemiaHippocampusInfarction, Middle Cerebral ArteryNeuroprotective AgentsReperfusionIschemic Attack, TransientCerebral InfarctionErigeronMyocardial Reperfusion InjuryRats, Sprague-DawleyIschemiaBrainBrain EdemaRats, WistarGerbillinaeDisease Models, AnimalMyocardial IschemiaMyocardial ReperfusionBrain InfarctionBlood-Brain BarrierMalondialdehydeNeuronsCerebrovascular CirculationTime FactorsCerebral ArteriesCaspase 3Ischemic PreconditioningApoptosisMice, KnockoutIschemic Preconditioning, MyocardialMyocardiumMiddle Cerebral ArteryIschemic PostconditioningMice, Inbred C57BLMyocardial InfarctionCardiotonic AgentsWarm IschemiaPeroxidaseCerebral PalsyConstrictionCerebral CortexOxidative StressCell DeathMagnetic Resonance ImagingCerebral AngiographyImmunohistochemistryRandom AllocationPerfusionCold IschemiaNecrosisOxygenProtective AgentsStrokeCerebral HemorrhageMyocytes, CardiacHypothermia, InducedIn Situ Nick-End LabelingHemodynamicsL-Lactate DehydrogenaseHeartSuperoxide DismutaseMicrocirculationCytoprotectionDogsSubarachnoid HemorrhageAntioxidantsBlotting, WesternAnalysis of VarianceCoronary CirculationMitochondria, HeartBlood PressureCerebral VeinsRNA, MessengerCreatine KinaseNitric OxideReactive Oxygen SpeciesKidneyCerebrovascular DisordersEnzyme InhibitorsSpinal Cord IschemiaNeutrophil InfiltrationSignal TransductionIntracranial Embolism and ThrombosisMalaria, CerebralBrain ChemistryMemoryDentate GyrusDose-Response Relationship, DrugHypoxia, BrainModels, AnimalRats, Inbred StrainsFree Radical ScavengersArterial Occlusive DiseasesMaze LearningCells, CulturedMyocardial ContractionRabbitsAnimals, NewbornAntipyrine