Hypothermia, InducedHypothermiaRewarmingBody TemperatureHeart ArrestNear DrowningHypoxia-Ischemia, BrainCardiopulmonary ResuscitationPregnatrienesComaShiveringIschemic Attack, TransientBrain IschemiaMagnesium CompoundsCold TemperatureResuscitationRats, Sprague-DawleySwine, MiniatureTime FactorsEncephalitisDisease Models, AnimalCardiopulmonary BypassBrain InjuriesHyperthermia, InducedVentricular FibrillationBrain Damage, ChronicLaser-Doppler FlowmetryNimodipineNeuroprotective AgentsInfarction, Middle Cerebral ArteryCerebral InfarctionTreatment OutcomeBrainIsofluraneBody Temperature RegulationMyocardial ReperfusionRandom AllocationHypnotics and SedativesMidazolamAnesthesiaCerebrovascular CirculationTemperatureCirculatory Arrest, Deep Hypothermia InducedRats, WistarSwineSodium ChlorideAsphyxia NeonatorumReperfusion InjuryMyocardial Reperfusion InjuryDogsNervous SystemAnalysis of VarianceHemodynamicsCell DeathNeuronsStrokeHeart Arrest, InducedBlood Pressure