IsofluraneAnesthesia, InhalationAnesthetics, InhalationAnesthesiaAnesthesia, GeneralMethyl EthersHalothaneEnfluraneNitrous OxideAnestheticsAnesthesia Recovery PeriodAnesthesia, LocalPropofolAnesthesia, EpiduralAnesthesia, SpinalAnesthetics, IntravenousAnesthetics, CombinedAdjuvants, AnesthesiaAnesthesia, IntravenousKetamineAnesthesia, ConductionAnesthetics, DissociativeFentanylXenonElectroencephalographyEthersSurgical EquipmentDogsHemodynamicsThiopentalAnesthesia, ObstetricalChloraloseShiveringMonitoring, IntraoperativePentobarbitalConsciousnessXylazineNeuromuscular Nondepolarizing AgentsBlood Gas AnalysisAnesthesia, DentalSuccinylcholineBlood PressureHeart RateRats, Sprague-DawleyHypotension, ControlledCerebrovascular CirculationBody Temperature RegulationDose-Response Relationship, DrugIntracranial PressureSurgical Procedures, OperativeCarbon DioxidePartial PressureCardiac OutputBody TemperatureOxygenBrainAnesthesiologyAnesthetics, GeneralTime FactorsAnesthetics, LocalDrug InteractionsRegional Blood FlowAnalgesics, OpioidAnesthesia, Closed-CircuitPulmonary Gas ExchangeVasoconstrictionPhenylephrineVascular ResistanceLidocaineOxygen ConsumptionPreanesthetic MedicationDisease Models, AnimalMice, Inbred C57BLBupivacaineRats, WistarAnesthesia, IntratrachealAmbulatory Surgical ProceduresNerve BlockIntubation, IntratrachealElectric StimulationAnesthesia, CaudalMethohexitalEtherSwineNeuronsConscious SedationIntraoperative PeriodIntraoperative ComplicationsAnesthesia Department, HospitalMethoxyfluranePain, PostoperativeHypnotics and SedativesAlfentanil