Anesthesia, Closed-CircuitAnesthesia, GeneralAnesthesiaAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnesthesia, InhalationAnesthesia, ConductionAnesthesia, IntravenousAnesthesia, ObstetricalAnesthesia Recovery PeriodAnesthesia, DentalAnesthetics, InhalationAnesthetics, IntravenousAdjuvants, AnesthesiaPropofolMethyl EthersAnesthesiologyIsofluraneAnesthetics, LocalAnesthetics, CombinedAnestheticsMonitoring, IntraoperativeNitrous OxideHalothaneLidocaineFentanylAnesthetics, GeneralBupivacaineKetaminePreanesthetic MedicationAmbulatory Surgical ProceduresNerve BlockThiopentalAnesthesia, CaudalNerve Net