Hematoma, Epidural, CranialHematoma, Epidural, SpinalHematomaHematoma, SubduralHematoma, Subdural, ChronicSubdural SpaceHematoma, Subdural, AcuteEmpyema, SubduralSkull FracturesHematoma, Subdural, SpinalSubdural EffusionLaminectomyHematoma, Subdural, IntracranialCraniotomyCranial Fossa, PosteriorTomography, X-Ray ComputedSpinal Cord CompressionDura MaterParaparesisRemission, SpontaneousHead Injuries, ClosedDecompression, SurgicalCraniocerebral TraumaEpidural SpaceArachnoidMagnetic Resonance ImagingGlasgow Coma ScaleDelayed Emergence from AnesthesiaSphenoid SinusitisCerebral HemorrhageNeurosurgical ProceduresCervical VertebraeTrephiningGlasgow Outcome ScaleBrown-Sequard SyndromeSkull Fracture, BasilarParietal BoneMyelographyVagus Nerve InjuriesSpinal Cord DiseasesThoracic VertebraeAnesthesia, EpiduralPolyradiculopathyPostoperative ComplicationsAnalgesia, EpiduralReflex, AbnormalAnticoagulantsArachnoid CystsAcute DiseaseTemporal BoneAbducens Nerve InjuryQuadriplegiaTreatment OutcomeRadiculopathySpinal DiseasesNeurologic ExaminationCerebral Hemorrhage, TraumaticPain ClinicsLumbar VertebraeEmergenciesDrainageBattered Child SyndromeRetrospective StudiesIntracranial HypotensionAccidental FallsOssification, HeterotopicIntracranial HemorrhagesShaken Baby SyndromeBasal Ganglia HemorrhageCerebral AngiographyRectus AbdominisLigamentum FlavumFatal OutcomeHeadacheSuctionExtravasation of Diagnostic and Therapeutic MaterialsSubarachnoid HemorrhageTomography Scanners, X-Ray ComputedPneumocephalusSubarachnoid SpaceRupture, SpontaneousBrain AbscessBrain InjuriesPost-Dural Puncture HeadacheBrain EdemaIntracranial Hemorrhage, HypertensiveElectrodes, ImplantedRetroperitoneal SpaceNeurosurgeryAneurysm, RupturedHydrocephalusEsophageal DiseasesSkull Fracture, DepressedCerebral AqueductBlood Patch, EpiduralVentriculostomyRetinal HemorrhageIntracranial AneurysmSkull Neoplasms