CraniotomyAnesthesia, GeneralAnesthesiaAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnesthesia, InhalationAnesthesia, ConductionAnesthesia, IntravenousAnesthesia, ObstetricalAnesthesia Recovery PeriodAnesthesia, DentalNeurosurgical ProceduresAnesthetics, IntravenousPropofolPneumocephalusMonitoring, IntraoperativeAnesthetics, InhalationIsofluraneAnesthetics, LocalAdjuvants, AnesthesiaFrontal BoneHematoma, Subdural, AcuteAnesthesiologyTrephiningMethyl EthersPostoperative ComplicationsAnesthetics, CombinedFentanylConscious SedationNitrous OxideAnestheticsDelayed Emergence from AnesthesiaHead Injuries, PenetratingBrain NeoplasmsIntracranial AneurysmDura MaterHematoma, SubduralSupratentorial NeoplasmsSurgical Fixation DevicesMeningeal NeoplasmsMicrosurgeryHalothaneAmbulatory Surgical ProceduresTomography, X-Ray ComputedLidocaineFrontal SinusConsciousness MonitorsMeningiomaIntraoperative ComplicationsArachnoid CystsSubdural SpaceTreatment OutcomeAnesthesia, Closed-CircuitHematoma, Subdural, ChronicAnesthetics, GeneralHematoma, Epidural, CranialBupivacaineGlasgow Coma ScalePreanesthetic MedicationNerve BlockTime FactorsMagnetic Resonance ImagingKetamineStereotaxic TechniquesSurgical InstrumentsCerebrospinal Fluid RhinorrheaTemporal BoneThiopentalRetrospective StudiesAnesthesia, CaudalProspective StudiesNeurosurgerySurgical FlapsFourth VentricleCranial Fossa, AnteriorSurgical Procedures, OperativeBrain AbscessIntubation, IntratrachealPentobarbitalAnesthetics, DissociativeHematoceleElectroencephalographyEnfluraneVentriculostomyXylazineAnesthesia Department, HospitalCerebellar DiseasesBrain InjuriesPain, PostoperativeSurgical Procedures, Minimally InvasiveOrbitDecompression, SurgicalIntraoperative CareAnesthesia, IntratrachealSkull BaseCerebral AngiographyIntraoperative PeriodAneurysm, RupturedSubarachnoid Hemorrhage