CraniotomyPostoperative PeriodNefopamPostoperative CareConscious SedationPivampicillinDeep SedationShiveringPain, PostoperativePostoperative ComplicationsAbdomenHypnotics and SedativesProspective StudiesTime FactorsTreatment OutcomeMidazolamPropofolAnesthesia, DentalNeurosurgical ProceduresPneumocephalusFrontal BoneAnesthetics, IntravenousHematoma, Subdural, AcuteConsciousness MonitorsDelayed Emergence from AnesthesiaTrephiningFentanylHead Injuries, PenetratingDexmedetomidineBrain NeoplasmsHematoma, SubduralIntracranial AneurysmDura MaterSurgical Fixation DevicesMeningeal NeoplasmsSupratentorial NeoplasmsAnesthesia, GeneralFrontal SinusAnesthesia Recovery PeriodMeningiomaAnesthesia, LocalArachnoid CystsSubdural SpaceMicrosurgeryChloral HydratePreanesthetic MedicationAnalgesiaTomography, X-Ray ComputedDental AnxietyMonitoring, IntraoperativeGlasgow Coma ScaleAnesthesiaHematoma, Epidural, CranialAnesthesia, IntravenousHematoma, Subdural, ChronicCerebrospinal Fluid RhinorrheaTemporal BoneMagnetic Resonance ImagingCranial Fossa, AnteriorFourth VentricleHydroxyzineStereotaxic TechniquesBrain AbscessNeurosurgeryHematoceleSurgical InstrumentsAnesthetics, CombinedDiazepamMeperidineCerebellar DiseasesBrain InjuriesVentriculostomySurgical FlapsAnalgesics, OpioidElectroencephalographyKetamineSkull BaseAdjuvants, AnesthesiaCranial Nerve NeoplasmsSkull FracturesAnesthetics, DissociativeCerebral AngiographySubarachnoid HemorrhageRespiration, ArtificialAneurysm, RupturedSkull Base NeoplasmsDroperidolCerebral VeinsIntracranial HemorrhagesDecompression, SurgicalAlfentanilAnesthetics, LocalCraniopharyngiomaDouble-Blind MethodPiperidinesIntensive Care UnitsBrain DiseasesAnterior Cerebral ArteryOrbitCranial Fossa, Middle