CraniotomyNeurosurgical ProceduresPneumocephalusFrontal BoneHematoma, Subdural, AcuteTrephiningHead Injuries, PenetratingBrain NeoplasmsDelayed Emergence from AnesthesiaHematoma, SubduralIntracranial AneurysmDura MaterSurgical Fixation DevicesMeningeal NeoplasmsSupratentorial NeoplasmsFrontal SinusMeningiomaArachnoid CystsMicrosurgerySubdural SpaceTomography, X-Ray ComputedGlasgow Coma ScaleHematoma, Epidural, CranialHematoma, Subdural, ChronicCerebrospinal Fluid RhinorrheaTemporal BoneFourth VentricleCranial Fossa, AnteriorOpen Reading FramesStereotaxic TechniquesPostoperative ComplicationsBrain AbscessNeurosurgeryMagnetic Resonance ImagingSurgical InstrumentsHematoceleCerebellar DiseasesSurgical FlapsVentriculostomySkull BaseConsciousness MonitorsBrain InjuriesSkull FracturesCranial Nerve NeoplasmsAneurysm, RupturedCerebral AngiographySubarachnoid HemorrhageSkull Base NeoplasmsConscious SedationCerebral VeinsDecompression, SurgicalIntracranial HemorrhagesCraniopharyngiomaBrain DiseasesAnterior Cerebral ArteryOrbitNeuroendoscopySkullCranial Fossa, MiddleIntracranial Hemorrhage, HypertensiveMonitoring, Intraoperative