Anesthesia, EpiduralAnesthesia, GeneralAnesthesia, ObstetricalAnesthesiaAnesthesia, SpinalAnesthesia, LocalAnesthesia, ConductionAnesthetics, LocalSpinal CordLidocaineAnesthesia, InhalationAnesthesia, IntravenousBupivacaineAnesthetics, CombinedMepivacaineAnesthesia Recovery PeriodAnesthesia, CaudalAdjuvants, AnesthesiaNerve BlockAnesthesia, DentalSpinal Cord InjuriesCesarean SectionAnesthetics, InhalationAutonomic Nerve BlockProcaineMonitoring, IntraoperativeAnalgesia, EpiduralMethyl EthersAnesthetics, IntravenousIsofluraneFentanylPropofolPain, PostoperativeShiveringAnesthesiologyEpidural SpaceEphedrineEtilefrineSkin TemperatureNitrous OxideAnestheticsLumbosacral RegionThoracic VertebraeEpinephrineHalothaneThoraxHorner SyndromeAmidesHemodynamicsPain MeasurementInjections, SpinalAnesthesia, Closed-CircuitAnesthetics, GeneralPregnancyIntraoperative PeriodKetamineAmbulatory Surgical ProceduresPreanesthetic MedicationDihydroergotamineHypothermiaPuerperal DisordersProspective StudiesBody Temperature RegulationAnalgesiaInjections, EpiduralPostoperative ComplicationsBlood PressureThiopentalMeperidineHeart RateTime FactorsSurgical Procedures, OperativeRitodrineAnalgesics, OpioidDouble-Blind MethodSpinal NervesLabor, ObstetricLabor Stage, FirstPentobarbitalSensationSpinal Cord DiseasesAnalgesia, ObstetricalHypotensionSpinal Nerve RootsAnesthetics, DissociativeEnfluraneXylazineIntubation, IntratrachealAnesthesia Department, HospitalIntraoperative ComplicationsConscious SedationLumbosacral PlexusElectroencephalographyAnesthesia, IntratrachealSpinal Cord NeoplasmsSpinal CanalSpinal DiseasesSpinal Cord CompressionMorphinePostoperative Period