IschemiaMyocardial IschemiaBrain IschemiaReperfusion InjuryMyocardial Reperfusion InjuryIschemic Attack, TransientReperfusionWarm IschemiaCold IschemiaIschemic PreconditioningGerbillinaeSpinal Cord IschemiaTime FactorsDisease Models, AnimalMyocardiumRats, Sprague-DawleyIschemic Preconditioning, MyocardialRats, WistarNeuroprotective AgentsInfarction, Middle Cerebral ArteryMyocardial ReperfusionCerebrovascular CirculationCoronary CirculationCerebral InfarctionBrainHindlimbHeartMyocardial InfarctionPerfusionCoronary DiseaseHemodynamicsCardiotonic AgentsDogsConstrictionMesenteric Vascular OcclusionArterial Occlusive DiseasesBrain EdemaElectrocardiographyMyocardial ContractionLegLower ExtremityNeuronsExercise TestNecrosisRegional Blood FlowMyocardial StunningHippocampusHypothermia, InducedIschemic PostconditioningCell DeathMice, Inbred C57BLRabbitsAmputationBlood PressureLaser-Doppler FlowmetryCerebral CortexMitochondria, HeartPhosphocreatineAdenosineAngina PectorisProsencephalonApoptosisNeovascularization, PhysiologicCreatine KinaseOxygenAdenosine TriphosphateAcute DiseaseRandom AllocationCollateral CirculationLactic AcidArrhythmias, CardiacCoronary VesselsBrain InfarctionHypoxia-Ischemia, BrainPeroxidaseMicrocirculationCerebral ArteriesHeart RateVentricular Function, LeftLimb SalvageElectrocardiography, AmbulatoryRats, Inbred StrainsLactatesMesenteric Artery, SuperiorL-Lactate DehydrogenaseKidneyMyocytes, CardiacIn Situ Nick-End LabelingSwineVascular Surgical ProceduresImmunohistochemistryAnoxiaOxidative StressTourniquetsCell HypoxiaCytoprotectionLigationNitric OxideVasodilator AgentsRecovery of Function