Reperfusion InjuryBrain IschemiaInfarction, Middle Cerebral ArteryNeuroprotective AgentsReperfusionCerebral InfarctionIschemic Attack, TransientBrain EdemaErigeronMyocardial Reperfusion InjuryBrainRats, Sprague-DawleyIschemiaCerebral ArteriesCerebrovascular CirculationDisease Models, AnimalRats, WistarGerbillinaeBrain InfarctionBlood-Brain BarrierMyocardial IschemiaMyocardial ReperfusionMalondialdehydeMiddle Cerebral ArteryTime FactorsNeuronsIschemic PreconditioningCaspase 3ApoptosisHippocampusCerebral PalsyMice, KnockoutCerebral AngiographyMyocardiumIschemic Preconditioning, MyocardialCerebral HemorrhageIschemic PostconditioningConstrictionMice, Inbred C57BLCerebral CortexCerebral VeinsStrokeMalaria, CerebralMagnetic Resonance ImagingPeroxidaseHypothermia, InducedMyocardial InfarctionPregnatrienesMicrocirculationOxygenArterial Occlusive DiseasesImmunohistochemistryOxidative StressCell DeathLaser-Doppler FlowmetryCardiotonic AgentsCerebrovascular DisordersIntracranial Embolism and ThrombosisWarm IschemiaIn Situ Nick-End LabelingNimodipineSubarachnoid HemorrhageRandom AllocationBlood PressureSuperoxide DismutaseNeurologic ExaminationNecrosisHemodynamicsHypoxia, BrainBlood Flow VelocityAntipyrinePia MaterPerfusionCatsPapioCytoprotectionRegional Blood FlowL-Lactate DehydrogenaseBrain ChemistryBlotting, WesternDogsCold IschemiaFocal AdhesionsAntioxidantsEnzyme InhibitorsProtective AgentsMyocytes, CardiacDose-Response Relationship, DrugHeartRecovery of FunctionNitric OxideReactive Oxygen SpeciesElectroencephalographyNeutrophil InfiltrationRats, Inbred StrainsVasospasm, IntracranialTetrazolium SaltsDizocilpine MaleateInjections, IntraventricularBrain Diseases