HematomaHematoma, Epidural, CranialHematoma, SubduralHematoma, Subdural, ChronicHematoma, Subdural, AcuteHematoma, Epidural, SpinalHematoma, Subdural, IntracranialHematoma, Subdural, SpinalCerebral HemorrhageTrephiningTomography, X-Ray ComputedCraniotomySubdural SpaceSkull FracturesCerebral Hemorrhage, TraumaticData CollectionCraniocerebral TraumaBasal Ganglia HemorrhageDura MaterBlood Specimen CollectionGlasgow Coma ScaleNeurosurgical ProceduresSubdural EffusionRectus AbdominisHead Injuries, ClosedIntracranial HemorrhagesDrainageMagnetic Resonance ImagingCranial Fossa, PosteriorSpecimen HandlingTreatment OutcomeLaminectomyRemission, SpontaneousSuctionRetroperitoneal SpaceLigamentum FlavumIntracranial Hemorrhage, HypertensiveRetrospective StudiesArachnoid CystsEsophageal DiseasesPostoperative ComplicationsAnticoagulantsCerebral AngiographyDecompression, SurgicalBrain Hemorrhage, TraumaticWounds, NonpenetratingLibrary Collection DevelopmentTime FactorsRupture, SpontaneousBrain EdemaAcute DiseaseGlasgow Outcome ScaleFatal OutcomeExtravasation of Diagnostic and Therapeutic MaterialsOrbital DiseasesSpinal Cord CompressionTomography Scanners, X-Ray ComputedSubarachnoid HemorrhageUrine Specimen CollectionProspective StudiesArachnoidAortic DiseasesCerebellar DiseasesAneurysm, RupturedWarfarinNeuroendoscopyParaparesisThalamic DiseasesStereotaxic TechniquesExophthalmosBrain InjuriesNeurosurgeryHeadacheIntracranial AneurysmAneurysm, Dissecting