Reperfusion InjuryMyocardial Reperfusion InjuryIschemiaReperfusionMyocardial IschemiaMyocardial ReperfusionBrain IschemiaReactive Nitrogen SpeciesReactive Oxygen SpeciesOxidative StressIschemic PreconditioningRats, Sprague-DawleyIschemic Preconditioning, MyocardialRats, WistarMyocardiumPeroxidaseFree RadicalsAntioxidantsDisease Models, AnimalPeroxynitrous AcidFree Radical ScavengersOxidation-ReductionThiobarbituric Acid Reactive SubstancesTime FactorsMyocardial InfarctionIschemic PostconditioningCardiotonic AgentsSuperoxide DismutaseNitric OxideWarm IschemiaHydrogen PeroxideProtein RefoldingLipid PeroxidationHydroxyl RadicalNitratesCold IschemiaProtective AgentsIschemic Attack, TransientMyocytes, CardiacMalondialdehydeHeartOxidantsGlutathioneInfarction, Middle Cerebral ArteryApoptosisOxygenNeuroprotective AgentsMice, Inbred C57BLLiverSuperoxidesPerfusionCoronary CirculationMitochondria, HeartCatalaseNecrosisHydroxidesSpinal Cord IschemiaL-Lactate DehydrogenaseKidneyCreatine KinaseHalogenationNeutrophilsConstrictionRandom AllocationSpin TrappingMyocardial ContractionHemodynamicsCytoprotectionCyclic N-OxidesNeutrophil InfiltrationMolsidomineSignal TransductionNitric Oxide Synthase Type IITioproninBiotransformationMice, KnockoutMyocardial StunningGerbillinaeDogsOrgan PreservationCell SurvivalMitochondriaAspartate AminotransferasesCells, CulturedAldehydesModels, AnimalAcute Kidney InjuryAlanine TransaminaseVentricular Function, LeftHydroxy AcidsDecanoic AcidsTyrosineHindlimbMicrocirculationCerebral InfarctionOrgan Preservation SolutionsElectron Spin Resonance SpectroscopyGlutathione PeroxidaseIn Situ Nick-End LabelingRabbits