Hypoxia-Ischemia, BrainHypoxia, BrainIschemiaAnoxiaBrain IschemiaCell HypoxiaPia MaterHypercapniaAnimals, NewbornNeuroprotective AgentsMyocardial IschemiaHypotensionSeverity of Illness IndexBrainCerebrovascular CirculationDisease Models, AnimalCell DeathRats, Sprague-DawleyRats, WistarNeuronsReperfusion InjuryFetal HypoxiaOxygenMyocardial Reperfusion InjuryHypoxia-Inducible Factor 1, alpha SubunitTime FactorsIschemic Attack, TransientReperfusionWarm IschemiaIschemic PreconditioningMyocardiumHypoxia-Inducible Factor 1Cold IschemiaGerbillinaeSpinal Cord IschemiaIschemic Preconditioning, MyocardialInfarction, Middle Cerebral ArteryHeartMyocardial ReperfusionCoronary CirculationMice, Inbred C57BLHemodynamicsHindlimbAcute DiseaseCerebral InfarctionAltitudeBlood PressurePerfusionOxygen ConsumptionInjury Severity ScoreDogsCells, CulturedRNA, MessengerProspective StudiesMyocardial InfarctionChronic DiseaseCoronary DiseaseRegional Blood FlowNitroimidazolesCarbon DioxideApoptosisNecrosisAnalysis of VarianceVascular Endothelial Growth Factor AAdenosineHeart RateBlood Gas AnalysisRabbitsPartial PressureImmunohistochemistryBiological MarkersPulmonary ArteryEtanidazoleLactic AcidElectrocardiographyChemoreceptor CellsExercise TestMyocardial ContractionTrauma Severity IndicesCardiotonic AgentsBrain EdemaRespirationNitric OxideConstrictionAdenosine TriphosphateCerebral CortexRisk FactorsBlotting, WesternHippocampusOxidative StressNeovascularization, PhysiologicL-Lactate DehydrogenaseLegRetrospective StudiesSignal TransductionReactive Oxygen SpeciesArterial Occlusive DiseasesMicrocirculationMice, KnockoutAltitude Sickness