Myocardial Reperfusion InjuryReperfusion InjuryMyocardial IschemiaMyocardiumIschemiaMyocardial ReperfusionReperfusionMyocytes, CardiacHeartBrain IschemiaIschemic Preconditioning, MyocardialMyocardial InfarctionCardiotonic AgentsRats, Sprague-DawleyArrhythmias, CardiacDisease Models, AnimalRats, WistarCardiac OutputTime FactorsMyocardial ContractionMitochondria, HeartIschemic PreconditioningElectrocardiographyVentricular Function, LeftHemodynamicsCardiac Surgical ProceduresElectrocardiography, AmbulatoryHeart VentriclesCoronary CirculationPerfusionDeath, Sudden, CardiacCreatine KinaseMice, Inbred C57BLHeart Arrest, InducedAmobarbitalIschemic PostconditioningReceptor, Adenosine A3Cardiovascular AgentsApoptosisWarm IschemiaReactive Oxygen SpeciesPeroxidaseRabbitsCells, CulturedHeart FailureCoronary VesselsCoronary DiseaseDogsCardiomegalyCold IschemiaOxidative StressHeart DiseasesProtective AgentsChest PainExercise TestCardiac Pacing, ArtificialIschemic Attack, TransientMalondialdehydeHeart RateBiological MarkersHeart ArrestCardiac TamponadeCardiac CatheterizationNecrosisMice, KnockoutOxygenTreatment OutcomeKidneyHeart Function TestsInfarction, Middle Cerebral ArteryNeuroprotective AgentsBlood PressureL-Lactate DehydrogenaseConstrictionRandom AllocationAdenosine TriphosphateProspective StudiesCoronary AngiographyTroponin IEchocardiographySpinal Cord IschemiaModels, AnimalVentricular RemodelingCardiomyopathiesGuinea PigsSignal TransductionNitric OxideCytoprotectionSuperoxide DismutaseAntioxidantsVentricular PressureCalciumLiverMyoblasts, CardiacMyocardial StunningHeart TransplantationCoronary Artery BypassNeutrophil InfiltrationTioproninBlotting, Western