Anesthesia, InhalationIsofluraneAnesthesia, IntravenousAnesthetics, InhalationPropofolAnesthesia, GeneralAnesthesiaAnesthesia, Closed-CircuitAnesthetics, IntravenousNitrous OxideHalothaneAnesthesia Recovery PeriodMethyl EthersSurgical Procedures, MinorAnesthesia, LocalAnesthetics, CombinedEnfluraneAnesthesia, EpiduralAnesthesia, SpinalAnestheticsTreatment OutcomeAnesthesia, ConductionFentanylMonitoring, IntraoperativeKetamineMethohexitalAdministration, InhalationAdjuvants, AnesthesiaAnesthesia, ObstetricalRetrospective StudiesAnesthesia, DentalElectroencephalographyNeuromuscular Nondepolarizing AgentsAnesthetics, DissociativeThiopentalInhalation ExposureXenonHemodynamicsAlfentanilEthersAmbulatory Surgical ProceduresPentobarbitalPiperidinesDogsHeart RateConsciousnessBlood PressureXylazineSurgical EquipmentChloraloseAlfaxalone Alfadolone MixtureMedetomidineShiveringHypnotics and SedativesAnesthetics, LocalAnesthesiologyBlood Gas AnalysisPostoperative Nausea and VomitingSmoke Inhalation InjuryEtomidateNeuromuscular BlockadeAnesthetics, GeneralPropanididDose-Response Relationship, DrugBurns, InhalationSuccinylcholineAndrostanolsRats, Sprague-DawleySurgical Procedures, OperativeCerebrovascular CirculationGuaifenesinCarbon DioxideHypotension, ControlledTime FactorsLidocainePain, PostoperativeInhalationPreanesthetic MedicationBody Temperature RegulationChillsOxygenAtracuriumPartial PressureIntracranial PressureConscious SedationBody TemperatureCardiac OutputBrainProspective StudiesAnalgesics, OpioidBupivacaineIntubation, IntratrachealNerve BlockDouble-Blind MethodDrug InteractionsAnesthesia, CaudalRegional Blood FlowPulmonary Gas ExchangeIntraoperative ComplicationsIntraoperative Period