CraniotomyPropofolAnesthesia, GeneralAnesthetics, IntravenousAnesthesiaAnesthesia, LocalAnesthesia, SpinalAnesthesia, EpiduralAnesthesia, InhalationAnesthesia, ConductionAnesthesia Recovery PeriodAnesthesia, IntravenousAnesthesia, ObstetricalAnesthetics, InhalationMonitoring, IntraoperativeAnesthetics, CombinedConscious SedationAnesthesia, DentalMethyl EthersIsofluraneHypnotics and SedativesNeurosurgical ProceduresAdjuvants, AnesthesiaFentanylPneumocephalusThiopentalAnestheticsAnesthetics, LocalNitrous OxideConsciousness MonitorsFrontal BoneAnesthetics, GeneralHematoma, Subdural, AcuteTrephiningAnesthesiologyAlfentanilElectroencephalographyKetamineDelayed Emergence from AnesthesiaHalothaneLidocaineMethohexitalMidazolamPreanesthetic MedicationHead Injuries, PenetratingAmbulatory Surgical ProceduresBrain NeoplasmsSupratentorial NeoplasmsDeep SedationHematoma, SubduralPostoperative ComplicationsDura MaterAnesthetics, DissociativeIntracranial AneurysmSurgical Fixation DevicesMeningeal NeoplasmsAnesthesia, Closed-CircuitPiperidinesEtomidateFrontal SinusMeningiomaMicrosurgeryIntubation, IntratrachealArachnoid CystsConsciousnessPentobarbitalIntraoperative ComplicationsSubdural SpaceTomography, X-Ray ComputedBupivacaineHematoma, Epidural, CranialHematoma, Subdural, ChronicGlasgow Coma ScaleNerve BlockProspective StudiesCerebrospinal Fluid RhinorrheaMagnetic Resonance ImagingTemporal BoneAnesthesia, CaudalStereotaxic TechniquesCranial Fossa, AnteriorDouble-Blind MethodFourth VentricleEnfluraneDose-Response Relationship, DrugIntraoperative PeriodNeurosurgerySurgical InstrumentsNeuromuscular Nondepolarizing AgentsBrain AbscessXylazinePain, PostoperativeHematoceleTime FactorsHemodynamicsSurgical FlapsBrain InjuriesAnalgesics, OpioidCerebellar DiseasesBlood Pressure