Hypothermia, InducedHypothermiaAnesthesia, GeneralAnesthesiaRewarmingBody TemperatureAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnesthesia, InhalationAnesthesia, ConductionAnesthesia, IntravenousHypoxia-Ischemia, BrainHeart ArrestAnesthesia, ObstetricalAnesthesia Recovery PeriodBody Temperature RegulationAnesthesia, DentalAnesthetics, InhalationAnesthetics, IntravenousCirculatory Arrest, Deep Hypothermia InducedIsofluraneAdjuvants, AnesthesiaShiveringPropofolAnestheticsMethyl EthersAsphyxia NeonatorumCardiopulmonary ResuscitationMonitoring, IntraoperativeAnesthetics, LocalNitrous OxideAnesthesiologyAnesthetics, CombinedTime FactorsThiopentalHalothanePentobarbitalIntraoperative ComplicationsCold TemperatureComaFentanylHeart Arrest, InducedElectroencephalographyBrain InjuriesLidocaineCardiopulmonary BypassHeatingBupivacaineBrainKetamineBrain IschemiaAnesthesia, Closed-CircuitTreatment OutcomeHypoxia, BrainExtracorporeal CirculationIntraoperative PeriodSkin TemperatureAnesthetics, GeneralResuscitationOut-of-Hospital Cardiac ArrestRats, Sprague-DawleyHypnotics and SedativesPreanesthetic MedicationIntraoperative CareAsphyxiaAmbulatory Surgical ProceduresNerve BlockXenonAnesthesia, CaudalIntubation, IntratrachealIntracranial PressureMeperidineDisease Models, AnimalInfant, NewbornProspective StudiesAnesthetics, DissociativeHemodynamicsEnfluraneCerebrovascular CirculationHeart RateXylazineHypotensionAnesthesia Department, HospitalBlood PressureConscious SedationRats, WistarDose-Response Relationship, DrugAnesthesia, IntratrachealPostoperative ComplicationsMidazolamHyperthermia, InducedCarbon DioxideConsciousnessPain, PostoperativeChloraloseNeuromuscular Blocking AgentsTemperatureBuspironeOxygen