Epidural SpaceEpidural NeoplasmsHematomaAnalgesiaPain, PostoperativeAnalgesia, EpiduralSpinal Cord CompressionPulsed Radiofrequency TreatmentQuipazineElectric Stimulation TherapyAnalgesia, Patient-ControlledAnalgesics, OpioidHematoma, Epidural, CranialAnalgesia, ObstetricalHematoma, SubduralSpinal CordAnesthetics, LocalBupivacaineMorphineHematoma, Subdural, ChronicPain MeasurementAnesthesia, SpinalFentanylNerve BlockTramadolHematoma, Epidural, SpinalHematoma, Subdural, AcuteAnesthesia, EpiduralAnalgesicsSpinal Cord InjuriesInjections, SpinalPirinitramideHematoma, Subdural, IntracranialDouble-Blind MethodAnesthesia, CaudalPostoperative Nausea and VomitingAmidesAnalgesics, Non-NarcoticSufentanilAnesthesia, ObstetricalMepivacaineKetorolacMeperidineAnesthesia, GeneralAdjuvants, AnesthesiaButorphanolCesarean SectionOpiumPostoperative CareAnesthetics, CombinedFemoral NerveHematoma, Subdural, SpinalAnesthetics, DissociativeAnesthesia, IntravenousAmbulatory Surgical ProceduresClonidineKetamineBrachial PlexusKetoprofenHysterectomyGlossectomyAnesthesia, ConductionProspective StudiesMagnesium SulfateAlfentanilLumbosacral PlexusNefopamPreanesthetic MedicationLidocaineHernia, InguinalPiroxicamInfusions, ParenteralTolmetinThoracotomyAnesthesia, LocalOrthopedic ProceduresAcupuncture AnalgesiaDiclofenacAcetaminophenDipyroneCerebral HemorrhageSpinal NervesPainTrephiningSpinal Cord DiseasesAnesthesia Recovery PeriodDrug Administration ScheduleAnti-Inflammatory Agents, Non-SteroidalDexmedetomidinePruritusPharyngectomyGynecologic Surgical ProceduresTreatment OutcomeIntercostal NervesSpinal DiseasesInfusions, IntravenousAbdomenSpinal Nerve RootsTomography, X-Ray ComputedPostoperative Complications