Anesthesia, EpiduralAnesthesia, ObstetricalAnesthesia, GeneralAnesthesiaAnesthetics, LocalAnesthesia, SpinalLidocaineAnesthesia, ConductionBupivacaineAnesthesia, LocalMepivacaineAnesthetics, CombinedPostoperative ComplicationsAnesthesia, CaudalAnesthesia, InhalationCesarean SectionAnesthesia, IntravenousProcaineAnalgesia, EpiduralAutonomic Nerve BlockAdjuvants, AnesthesiaPain, PostoperativeShiveringEtilefrineAnesthesia Recovery PeriodMonitoring, IntraoperativeNerve BlockSkin TemperatureFentanylAnesthesia, DentalEpidural SpaceEphedrineAnesthetics, InhalationHorner SyndromeMethyl EthersThoraxEpinephrineIsofluraneLumbosacral RegionThoracic VertebraePregnancyAmidesPuerperal DisordersAnesthetics, IntravenousIntraoperative ComplicationsProspective StudiesDihydroergotamineHemodynamicsPropofolRitodrineTreatment OutcomeInjections, EpiduralLabor, ObstetricLabor Stage, FirstAnesthesiologyBody Temperature RegulationMeperidineTime FactorsHypothermiaRetrospective StudiesPain MeasurementSurgical Procedures, OperativeBlood PressureAnalgesia, ObstetricalIntraoperative PeriodAnalgesiaAnestheticsHeart RateNitrous OxideObstetric Labor ComplicationsSensationPiroxicamHypotensionDouble-Blind MethodDiagnostic Techniques, NeurologicalHalothaneLumbosacral PlexusPostoperative PeriodHysterectomyBlood CirculationAnalgesics, OpioidAmbulatory Surgical ProceduresSympathetic Fibers, PostganglionicAnalgesia, Patient-ControlledAnesthesia, Closed-CircuitMesenteric VeinsLength of StayThoracotomyBack PainAnesthetics, GeneralApgar ScoreFollow-Up StudiesPregnancy Complications, CardiovascularPreanesthetic MedicationLeg