CraniotomyNauseaPostoperative Nausea and VomitingVomitingAntiemeticsNeurosurgical ProceduresPneumocephalusFrontal BoneHematoma, Subdural, AcuteTrephiningHead Injuries, PenetratingBrain NeoplasmsHematoma, SubduralOndansetronDelayed Emergence from AnesthesiaMeningeal NeoplasmsIntracranial AneurysmDura MaterSurgical Fixation DevicesSupratentorial NeoplasmsFrontal SinusMeningiomaArachnoid CystsSubdural SpaceMicrosurgeryTomography, X-Ray ComputedGlasgow Coma ScaleHematoma, Epidural, CranialHematoma, Subdural, ChronicFourth VentricleCerebrospinal Fluid RhinorrheaTemporal BonePostoperative ComplicationsCranial Fossa, AnteriorStereotaxic TechniquesMagnetic Resonance ImagingBrain AbscessNeurosurgeryHematoceleSurgical InstrumentsCerebellar DiseasesMotion SicknessTreatment OutcomeVomiting, AnticipatoryAnesthesia, GeneralVentriculostomySurgical FlapsAcupressureMorning SicknessGranisetronSkull BaseConsciousness MonitorsBrain InjuriesDroperidolProchlorperazineCranial Nerve NeoplasmsSkull FracturesConscious SedationCerebral AngiographyHeadacheSubarachnoid HemorrhageAneurysm, RupturedFentanylSkull Base NeoplasmsMetoclopramideCerebral VeinsDouble-Blind MethodIntracranial HemorrhagesDecompression, SurgicalAnesthesiaPropofolBrain DiseasesCraniopharyngiomaMonitoring, IntraoperativeAnterior Cerebral ArteryOrbitSerotonin 5-HT3 Receptor AntagonistsHyperemesis GravidarumCranial Fossa, MiddleNeuroendoscopyIntracranial Hemorrhage, HypertensiveSkullAnesthetics, Intravenous