AnalgesiaAnalgesia, EpiduralAnalgesia, ObstetricalAnalgesia, Patient-ControlledAnalgesics, OpioidPain, PostoperativePain MeasurementMorphineBupivacaineAnesthetics, LocalAcupuncture AnalgesiaFentanylAnalgesicsAnesthesia, EpiduralMeperidinePainLabor PainRenal DialysisSufentanilNerve BlockInjections, SpinalDouble-Blind MethodLabor, ObstetricAnesthesia, ObstetricalKidney Failure, ChronicAmidesPeritoneal Dialysis, Continuous AmbulatoryAnesthesia, SpinalTramadolAnalgesics, Non-NarcoticProspective StudiesPeritoneal DialysisNaloxoneCesarean SectionPostoperative Nausea and VomitingPain ThresholdInterpleural AnalgesiaTreatment OutcomeDrug ToleranceAnesthesia, GeneralReceptors, Opioid, muConscious SedationKetorolacTime FactorsLabor Stage, FirstHydromorphoneLidocainePruritusPain ManagementAnesthesia, CaudalClonidineAnesthesia and AnalgesiaKetaminePregnancyFemoral NerveDrug Administration ScheduleHypnotics and SedativesReceptors, OpioidPirinitramideDose-Response Relationship, DrugButorphanolAlfentanilNalbuphineNarcotic AntagonistsAnesthetics, CombinedAnesthesia, ConductionThoracotomyOpioid PeptidesElectroacupunctureMepivacainePostoperative CareKetoprofenRetrospective StudiesAdjuvants, AnesthesiaPlacebo EffectMorphine DerivativesHyperalgesiaDrug Therapy, CombinationUremiaAnesthesia, LocalPeriaqueductal GrayNitrous OxidePatient SatisfactionInjections, IntravenousPentazocinePiperidinesInfusions, IntravenousAnti-Inflammatory Agents, Non-SteroidalAcetaminophenDexmedetomidineAmbulatory Surgical ProceduresHysterectomyBrachial PlexusPain, IntractableFollow-Up StudiesOxycodonePain PerceptionDialysis SolutionsInjections, EpiduralPeritonitis