Myocardial IschemiaMyocardial Reperfusion InjuryIschemiaReperfusion InjuryMyocardial ReperfusionMyocardiumElectrocardiographyCoronary DiseaseBrain IschemiaMyocardial InfarctionCoronary CirculationReperfusionDogsCreatine KinaseAcute DiseaseHemodynamicsArrhythmias, CardiacHeartVentricular FibrillationCardiotonic AgentsAngina PectorisTime FactorsHeart RateVentricular Function, LeftCoronary VesselsDisease Models, AnimalMyocardial ContractionRats, Sprague-DawleyAnti-Arrhythmia AgentsIschemic Preconditioning, MyocardialSwineHeart Conduction SystemExercise TestHeart VentriclesBlood PressureIschemic PreconditioningRats, WistarElectrocardiography, AmbulatoryCoronary AngiographyPerfusionIschemic Attack, TransientMyocardial StunningTomography, Emission-Computed, Single-PhotonWarm IschemiaMyocardial Perfusion ImagingAction PotentialsIschemic PostconditioningMyocytes, CardiacAdenosineMitochondria, HeartRabbitsDipyridamoleCold IschemiaThallium RadioisotopesVasodilator AgentsPeroxidaseCollateral CirculationNecrosisEchocardiographyCoronary Artery DiseaseDobutamineGerbillinaeInfarction, Middle Cerebral ArterySpinal Cord IschemiaTroponin IIntraoperative ComplicationsRandom AllocationConstrictionL-Lactate DehydrogenaseChest PainEchocardiography, StressNeuroprotective AgentsTroponin TLactic AcidMice, Inbred C57BLApoptosisCardiovascular AgentsAnesthesiaNitroglycerinHeart Function TestsSwine, MiniatureProspective StudiesHydroxy AcidsAdenosine TriphosphateDecanoic AcidsNitric OxidePredictive Value of TestsCerebrovascular CirculationBiological MarkersCoronary StenosisMalondialdehydeAngioplasty, Balloon, CoronaryVentricular PressureAngina, UnstableOxidative StressLactatesMicrocirculationPhosphocreatineOxygen ConsumptionVentricular Dysfunction, Left