CraniotomyTreatment OutcomeNeurosurgical ProceduresPneumocephalusFrontal BoneOutcome Assessment (Health Care)Hematoma, Subdural, AcuteTrephiningBrain NeoplasmsHead Injuries, PenetratingIntracranial AneurysmHematoma, SubduralDelayed Emergence from AnesthesiaPregnancy OutcomeDura MaterRetrospective StudiesMeningeal NeoplasmsSurgical Fixation DevicesSupratentorial NeoplasmsFrontal SinusMicrosurgeryMeningiomaPostoperative ComplicationsTomography, X-Ray ComputedGlasgow Coma ScaleArachnoid CystsSubdural SpaceHematoma, Epidural, CranialMagnetic Resonance ImagingHematoma, Subdural, ChronicCerebrospinal Fluid RhinorrheaTemporal BoneFollow-Up StudiesCranial Fossa, AnteriorFourth VentricleStereotaxic TechniquesNeurosurgeryGlasgow Outcome ScaleProspective StudiesSurgical InstrumentsTime FactorsBrain AbscessBrain InjuriesHematoceleSurgical FlapsSubarachnoid HemorrhageVentriculostomyCerebellar DiseasesDecompression, SurgicalCerebral AngiographyAneurysm, RupturedSkull BaseSkull FracturesConsciousness MonitorsCranial Nerve NeoplasmsPrognosisIntracranial HemorrhagesOutcome and Process Assessment (Health Care)Skull Base NeoplasmsConscious SedationCerebral VeinsCerebral HemorrhageCraniopharyngiomaAnterior Cerebral ArteryOrbitRisk FactorsMonitoring, IntraoperativeBrain DiseasesNeuroendoscopyFatal OutcomeSkullIntracranial Hemorrhage, HypertensiveCranial Fossa, MiddleAnesthesiaHead Injuries, ClosedIntracranial Pressure