CraniotomyPostoperative PeriodNefopamPostoperative CarePivampicillinShiveringPain, PostoperativePostoperative ComplicationsAbdomenPostoperative Nausea and VomitingProspective StudiesAntiemeticsTime FactorsTreatment OutcomeOndansetronDroperidolNeurosurgical ProceduresPneumocephalusFrontal BoneHematoma, Subdural, AcuteTrephiningAnesthesia, GeneralHead Injuries, PenetratingBrain NeoplasmsDelayed Emergence from AnesthesiaHematoma, SubduralIntracranial AneurysmDura MaterSurgical Fixation DevicesMetoclopramideMeningeal NeoplasmsSupratentorial NeoplasmsFrontal SinusMeningiomaArachnoid CystsSubdural SpaceMicrosurgeryGlasgow Coma ScaleHematoma, Epidural, CranialTomography, X-Ray ComputedVomitingHematoma, Subdural, ChronicCerebrospinal Fluid RhinorrheaTemporal BoneCranial Fossa, AnteriorAcupressureFourth VentricleStereotaxic TechniquesBrain AbscessPropofolNeurosurgeryHematoceleMagnetic Resonance ImagingNauseaSurgical InstrumentsGranisetronAnesthesiaCerebellar DiseasesVentriculostomySurgical FlapsAnesthetics, IntravenousCyclizineSkull BaseConsciousness MonitorsBrain InjuriesCranial Nerve NeoplasmsSkull FracturesFentanylCerebral AngiographySubarachnoid HemorrhageAneurysm, RupturedGynecologic Surgical ProceduresSkull Base NeoplasmsConscious SedationCerebral VeinsDouble-Blind MethodIntracranial HemorrhagesDecompression, SurgicalAcupuncture PointsCraniopharyngiomaStrabismusBrain DiseasesAnterior Cerebral ArteryOrbitCranial Fossa, MiddleNeuroendoscopyIntracranial Hemorrhage, HypertensiveSkullMonitoring, Intraoperative