Brain IschemiaIschemiaIschemic Attack, TransientCerebral InfarctionInfarction, Middle Cerebral ArteryCerebral ArteriesCerebrovascular CirculationMyocardial IschemiaBrainNeuroprotective AgentsReperfusion InjuryReperfusionMiddle Cerebral ArteryGerbillinaeBrain EdemaDisease Models, AnimalRats, Sprague-DawleyCerebral PalsyRats, WistarCerebral AngiographyTime FactorsBrain InfarctionNeuronsCerebral HemorrhageSubarachnoid HemorrhageIschemic PreconditioningCerebral VeinsStrokeMalaria, CerebralCerebrovascular DisordersIntracranial Embolism and ThrombosisBlood-Brain BarrierHippocampusMagnetic Resonance ImagingCerebral CortexArterial Occlusive DiseasesVasospasm, IntracranialHypothermia, InducedMyocardial Reperfusion InjuryHypoxia, BrainCell DeathOxygenConstrictionLaser-Doppler FlowmetryNimodipinePregnatrienesBlood PressureBlood Flow VelocityNeurologic ExaminationWarm IschemiaElectroencephalographyHypoxia-Ischemia, BrainIntracranial PressureRegional Blood FlowPia MaterBrain ChemistryMice, Inbred C57BLCatsAntipyrineRats, Inbred StrainsImmunohistochemistryMicrocirculationTomography, X-Ray ComputedAcute DiseaseIn Situ Nick-End LabelingDogsDizocilpine MaleateBody TemperatureCold IschemiaLactatesCarbon DioxideCarotid ArteriesHemodynamicsAstrocytesCerebral RevascularizationPapioBrain Damage, ChronicLidoflazineCerebral VentriclesBrain DiseasesGlucoseSpinal Cord IschemiaIntracranial AneurysmSpectroscopy, Near-InfraredBlood Gas AnalysisApoptosisRats, Inbred SHRProsencephalonDose-Response Relationship, DrugPerfusionEvoked Potentials, SomatosensoryMyocardiumRecovery of FunctionAnterior Cerebral ArteryRandom AllocationLactic AcidMice, KnockoutOxygen ConsumptionMagnetic Resonance AngiographyAnalysis of Variance