Anesthesia, Closed-CircuitPerioperative CareAnesthesia, GeneralAnesthesiaPerioperative PeriodAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnesthesia, ConductionAnesthesia, InhalationAnesthesia, IntravenousAnesthesia, ObstetricalIntraoperative ComplicationsAnesthesia Recovery PeriodPostoperative ComplicationsAnesthesia, DentalAnesthetics, InhalationAnesthesiologyAnesthetics, IntravenousMonitoring, IntraoperativeAdjuvants, AnesthesiaPropofolIsofluraneAnesthetics, LocalMethyl EthersIntraoperative PeriodAnestheticsSurgical Procedures, OperativeAnesthetics, CombinedTreatment OutcomeNitrous OxidePreoperative CareIntraoperative CareTime FactorsHalothaneSurgical Procedures, ElectivePreanesthetic MedicationLidocaineRetrospective StudiesFentanylPain, PostoperativeProspective StudiesAmbulatory Surgical ProceduresBupivacaineNerve BlockAnesthetics, GeneralBlood Loss, SurgicalKetaminePerioperative NursingPostoperative PeriodThiopentalPostoperative CareIntubation, IntratrachealVascular Surgical ProceduresAnesthesia, CaudalEndarterectomy, CarotidNerve NetCardiac Surgical ProceduresEnflurane