BupivacaineAnesthetics, LocalAnesthesia, SpinalAnalgesia, EpiduralApoptosisAmidesAnalgesia, ObstetricalAnesthesia, EpiduralAnesthesia, ObstetricalNerve BlockApoptosis Regulatory ProteinsLidocaineCaspasesPain, PostoperativeAnesthesia, CaudalCaspase 3EtidocaineInhibitor of Apoptosis ProteinsProto-Oncogene Proteins c-bcl-2Anesthesia, LocalSufentanilFentanylAnesthetics, CombinedDouble-Blind MethodAdjuvants, AnesthesiaDNA FragmentationMepivacaineInjections, SpinalIn Situ Nick-End Labelingbcl-2-Associated X ProteinCesarean SectionX-Linked Inhibitor of Apoptosis ProteinDose-Response Relationship, DrugCell Line, TumorCarticaineCell SurvivalAnalgesics, OpioidApoptosis Inducing FactorCASP8 and FADD-Like Apoptosis Regulating ProteinPain MeasurementCaspase 9Caspase InhibitorsSignal TransductionCaspase 8AnalgesiaMitochondriaCells, CulturedFas Ligand ProteinTumor Suppressor Protein p53StereoisomerismEnzyme ActivationCytochromes cTime FactorsTumor Cells, Culturedbcl-X ProteinSensationSubarachnoid SpaceAnnexin A5Cell LineCell ProliferationAnalgesia, Patient-ControlledMorphineBlotting, WesternAmino Acid Chloromethyl KetonesFlow CytometryCysteine Proteinase InhibitorsPregnancyProto-Oncogene ProteinsCell CycleBrachial PlexusAntineoplastic AgentsLabor, ObstetricPoly(ADP-ribose) PolymerasesRats, Sprague-DawleyProcaineInjections, EpiduralTransfectionAmbulatory Surgical ProceduresEnzyme InhibitorsTNF-Related Apoptosis-Inducing LigandReactive Oxygen SpeciesJurkat CellsPrilocaineCell DivisionCell DeathDrug SynergismRNA, Small InterferingNecrosisCaspase 7HL-60 CellsDrug CombinationsDown-RegulationMembrane Potential, MitochondrialSciatic NerveTumor Necrosis Factor-alphaCytochrome c GroupEpinephrineGenes, bcl-2Specific GravityPhosphorylation