Hypoxia-Ischemia, BrainAnimals, NewbornIschemiaHepatic EncephalopathyHypoxia, BrainBrain IschemiaMyocardial IschemiaAnoxiaCell HypoxiaWernicke EncephalopathyPia MaterNeuroprotective AgentsBrainHypercapniaEncephalopathy, Bovine SpongiformHypotensionCerebrovascular CirculationBrain DiseasesRats, Sprague-DawleyDisease Models, AnimalReperfusion InjuryRats, WistarCell DeathNeuronsHypertensive EncephalopathyBrain ChemistryMyocardial Reperfusion InjuryBrain EdemaBrain InjuriesTime FactorsIschemic Attack, TransientReperfusionBrain Diseases, MetabolicFetal HypoxiaWarm IschemiaBrain NeoplasmsHyperammonemiaMagnetic Resonance ImagingOxygenHypothermia, InducedAsphyxia NeonatorumIschemic PreconditioningCold IschemiaGerbillinaeMyocardiumBrain MappingPosterior Leukoencephalopathy SyndromePrionsSpinal Cord IschemiaCerebral CortexHypoxia-Inducible Factor 1, alpha SubunitBrain Damage, ChronicIschemic Preconditioning, MyocardialInfarction, Middle Cerebral Artery