Hypoxia-Ischemia, BrainHypoxia, BrainIschemiaCell HypoxiaBrain IschemiaAnoxiaBrainAnimals, NewbornBrain InjuriesMyocardial IschemiaBrain Damage, ChronicAsphyxia NeonatorumCerebral PalsyPia MaterHypercapniaNeuroprotective AgentsInfant, PrematureInfant, NewbornBrain DiseasesHypotensionRats, Sprague-DawleyCerebrovascular CirculationReperfusion InjuryDisease Models, AnimalRats, WistarCell DeathOxygenNeuronsFetal HypoxiaBrain ChemistryMyocardial Reperfusion InjuryHypoxia-Inducible Factor 1, alpha SubunitIschemic Attack, TransientTime FactorsReperfusionWarm IschemiaBrain NeoplasmsIschemic PreconditioningMyocardiumHypoxia-Inducible Factor 1Brain EdemaGerbillinaeCold IschemiaSpinal Cord IschemiaBrain MappingIschemic Preconditioning, MyocardialInfarction, Middle Cerebral ArteryCerebral CortexMyocardial ReperfusionHeartRNA, MessengerCerebral InfarctionMice, Inbred C57BLCells, CulturedHippocampusHindlimbMagnetic Resonance ImagingPerfusionCoronary CirculationAltitudeOxygen ConsumptionBrain StemHemodynamicsDogsImmunohistochemistryBlood PressureApoptosisBrain InfarctionNitroimidazolesCarbon DioxideBlood-Brain BarrierRegional Blood FlowBlotting, WesternMyocardial InfarctionAdenosineRabbitsLactic AcidVascular Endothelial Growth Factor AChemoreceptor CellsEtanidazoleAdenosine TriphosphatePartial PressureSignal TransductionBlood Gas AnalysisCoronary DiseaseCardiotonic AgentsHeart RateOxidative StressConstrictionNeovascularization, PhysiologicNecrosisGene Expression RegulationPulmonary ArteryMyocardial ContractionAnalysis of VarianceNitric OxideReactive Oxygen SpeciesL-Lactate DehydrogenaseMicrocirculationRespiration