CraniotomyPostoperative PeriodNefopamPostoperative CarePivampicillinPiperidinesPain, PostoperativeShiveringPostoperative ComplicationsAbdomenAnesthetics, IntravenousAnalgesics, OpioidPropofolAnesthetics, CombinedProspective StudiesAnesthesia, IntravenousTime FactorsAnesthesia Recovery PeriodAlfentanilTreatment OutcomeMonitoring, IntraoperativeConscious SedationAnesthesia, GeneralFentanylHypnotics and SedativesNeurosurgical ProceduresPneumocephalusIntubation, IntratrachealMethyl EthersAnesthetics, InhalationFrontal BoneAdjuvants, AnesthesiaLaryngoscopySupratentorial NeoplasmsHematoma, Subdural, AcuteInfusions, IntravenousTrephiningAnesthesiaElectroencephalographyAnalgesiaSufentanilHead Injuries, PenetratingConsciousness MonitorsDouble-Blind MethodBrain NeoplasmsDelayed Emergence from AnesthesiaHematoma, SubduralIntracranial AneurysmDura MaterSurgical Fixation DevicesMeningeal NeoplasmsFrontal SinusDermatologic Surgical ProceduresMeningiomaArachnoid CystsIntraoperative CareEntropyInfusion PumpsSubdural SpaceMicrosurgeryDose-Response Relationship, DrugAnalgesia, Patient-ControlledMidazolamHeart RatePostoperative Nausea and VomitingGlasgow Coma ScaleHematoma, Epidural, CranialTomography, X-Ray ComputedHematoma, Subdural, ChronicCerebrospinal Fluid RhinorrheaIsofluraneTemporal BoneCranial Fossa, AnteriorPirinitramideFourth VentricleHemodynamicsBlood PressureStereotaxic TechniquesDrug InteractionsPain MeasurementGynecologic Surgical ProceduresDexmedetomidineAndrostanolsBrain AbscessNeurosurgeryHematoceleMagnetic Resonance ImagingSurgical InstrumentsAnalgesia, ObstetricalNitrous OxideSurgical Procedures, MinorConsciousnessCerebellar DiseasesMorphineVentriculostomySurgical FlapsFasciculationWakefulnessAnesthesia, ObstetricalSkull Base