Hypoxia-Ischemia, BrainHypoxia, BrainIschemiaAnoxiaBrain IschemiaCell HypoxiaPia MaterHypercapniaAnimals, NewbornNeuroprotective AgentsMyocardial IschemiaHypotensionBrainCerebrovascular CirculationCell DeathRats, Sprague-DawleyDisease Models, AnimalRats, WistarNeuronsReperfusion InjuryFetal HypoxiaOxygenMyocardial Reperfusion InjuryHypoxia-Inducible Factor 1, alpha SubunitIschemic Attack, TransientReperfusionWarm IschemiaTime FactorsIschemic PreconditioningHypoxia-Inducible Factor 1MyocardiumCold IschemiaGerbillinaeSpinal Cord IschemiaIschemic Preconditioning, MyocardialInfarction, Middle Cerebral ArteryMyocardial ReperfusionHeartCoronary CirculationHindlimbAltitudePerfusionCerebral InfarctionHemodynamicsOxygen ConsumptionDogsCells, CulturedNitroimidazolesBlood PressureRNA, MessengerMice, Inbred C57BLMyocardial InfarctionRegional Blood FlowCarbon DioxideApoptosisVascular Endothelial Growth Factor AEtanidazoleAdenosineChemoreceptor CellsCoronary DiseaseCardiotonic AgentsPartial PressureNecrosisLactic AcidPulmonary ArteryRabbitsBlood Gas AnalysisConstrictionMyocardial ContractionAdenosine TriphosphateHeart RateNeovascularization, PhysiologicBrain EdemaL-Lactate DehydrogenaseHippocampusNitric OxideReactive Oxygen SpeciesRespirationImmunohistochemistryMesenteric Vascular OcclusionBlotting, WesternElectrocardiographyOxidative StressCerebral CortexArterial Occlusive DiseasesSignal TransductionPhosphocreatineAcute DiseaseMicrocirculationLegAltitude SicknessExercise TestEnzyme InhibitorsMitochondria, HeartAcidosisHypothermia, InducedLaser-Doppler FlowmetryLower ExtremityLactatesIschemic Postconditioning