Hypoxia-Ischemia, BrainBrain IschemiaIschemiaHypoxia, BrainMyocardial IschemiaNeuroprotective AgentsAnoxiaCerebrovascular CirculationCell HypoxiaBrainIschemic Attack, TransientPia MaterHypercapniaInfarction, Middle Cerebral ArteryCerebral InfarctionAnimals, NewbornReperfusion InjuryCerebral ArteriesHypotensionRats, Sprague-DawleyDisease Models, AnimalRats, WistarReperfusionCell DeathNeuronsGerbillinaeMiddle Cerebral ArteryBrain EdemaTime FactorsIschemic PreconditioningOxygenMyocardial Reperfusion InjuryCerebral PalsyCerebral AngiographyBrain InfarctionWarm IschemiaCerebral HemorrhageSubarachnoid HemorrhageStrokeHippocampusCerebral CortexBlood-Brain BarrierArterial Occlusive DiseasesCerebral VeinsCold IschemiaFetal HypoxiaCerebrovascular DisordersHypothermia, InducedIntracranial Embolism and ThrombosisMyocardiumConstrictionHypoxia-Inducible Factor 1, alpha SubunitBlood PressureSpinal Cord IschemiaMagnetic Resonance ImagingMalaria, CerebralLaser-Doppler FlowmetryRegional Blood FlowMice, Inbred C57BLIschemic Preconditioning, MyocardialVasospasm, IntracranialDogsBlood Flow VelocityHemodynamicsPregnatrienesImmunohistochemistryCarbon DioxideMicrocirculationPerfusionAcute DiseaseRats, Inbred StrainsCatsMyocardial ReperfusionOxygen ConsumptionElectroencephalographyApoptosisNeurologic ExaminationLactatesIn Situ Nick-End LabelingBlood Gas AnalysisBrain ChemistryLactic AcidNimodipineBody TemperatureAntipyrineHeartIntracranial PressureGlucoseCoronary CirculationCells, CulturedHypoxia-Inducible Factor 1HindlimbDizocilpine MaleateNecrosisRNA, MessengerPartial PressureProsencephalonDose-Response Relationship, DrugTomography, X-Ray ComputedRandom Allocation