Spinal CordAnesthesia, GeneralAnesthesiaAnesthesia, SpinalAnesthesia, LocalSpinal Cord InjuriesAnesthesia, EpiduralAnesthesia, InhalationAnesthesia, ConductionAnesthesia, IntravenousAnesthesia, ObstetricalAnesthesia Recovery PeriodAnesthesia, DentalInjections, SpinalAnesthetics, InhalationAnesthetics, IntravenousAdjuvants, AnesthesiaPropofolAnesthetics, LocalSpinal NervesSpinal Cord DiseasesIsofluraneMethyl EthersAnesthesiologySpinal Nerve RootsAnesthetics, CombinedMonitoring, IntraoperativeSpinal Cord NeoplasmsSpinal CanalSpinal DiseasesSpinal Cord CompressionNitrous OxideAnestheticsSpinal NeoplasmsLidocaineHalothaneSpinal StenosisBupivacaineSpinal FusionFentanylNerve BlockSensitivity and SpecificityAnesthesia, Closed-CircuitAnesthetics, GeneralKetamineDiagnostic ErrorsAmbulatory Surgical ProceduresSpinal InjuriesPreanesthetic MedicationThiopentalAnesthesia, CaudalMuscular Atrophy, SpinalProspective StudiesDiagnostic Tests, RoutineSpinal Cord IschemiaTime FactorsPentobarbitalAnesthetics, DissociativeGanglia, SpinalIntraoperative ComplicationsDiagnostic ImagingPain MeasurementEnfluraneDiagnostic Techniques and ProceduresConscious SedationXylazineSpineIntubation, IntratrachealThoracic VertebraePain, PostoperativeAnesthesia Department, HospitalMotor NeuronsCesarean SectionParaplegiaAnesthesia, IntratrachealIntraoperative PeriodPainLumbosacral RegionLaminectomyRats, Sprague-DawleyTuberculosis, SpinalRetrospective StudiesLumbar VertebraeReproducibility of ResultsPrilocaineCervical VertebraeElectroencephalographyAnesthesia and AnalgesiaAnalgesics, OpioidHematoma, Epidural, SpinalMethohexitalPostoperative ComplicationsSpinal CurvaturesMagnetic Resonance ImagingPosterior Horn CellsTreatment OutcomeHypnotics and SedativesMepivacaineAlfentanilConsciousness