CraniotomyNeurosurgical ProceduresPneumocephalusFrontal BoneHematoma, Subdural, AcuteTrephiningHead Injuries, PenetratingBrain NeoplasmsDelayed Emergence from AnesthesiaHematoma, SubduralIntracranial AneurysmDura MaterSurgical Fixation DevicesMeningeal NeoplasmsSupratentorial NeoplasmsFrontal SinusMeningiomaArachnoid CystsSubdural SpaceMicrosurgeryTomography, X-Ray ComputedGlasgow Coma ScaleHematoma, Epidural, CranialHematoma, Subdural, ChronicCerebrospinal Fluid RhinorrheaTemporal BoneCranial Fossa, AnteriorFourth VentricleStereotaxic TechniquesBrain AbscessNeurosurgeryMagnetic Resonance ImagingHematoceleSurgical InstrumentsPostoperative ComplicationsCerebellar DiseasesVentriculostomySurgical FlapsSkull BaseConsciousness MonitorsBrain InjuriesCranial Nerve NeoplasmsSkull FracturesCerebral AngiographySubarachnoid HemorrhageAneurysm, RupturedSkull Base NeoplasmsConscious SedationCerebral VeinsIntracranial HemorrhagesDecompression, SurgicalCraniopharyngiomaBrain DiseasesAnterior Cerebral ArteryOrbitCranial Fossa, MiddleSkullNeuroendoscopyIntracranial Hemorrhage, HypertensiveMonitoring, Intraoperative