Epidural SpaceEpidural NeoplasmsHematomaSpinal Cord CompressionPulsed Radiofrequency TreatmentQuipazineElectric Stimulation TherapyCatheters, IndwellingHematoma, Epidural, CranialHematoma, SubduralSpinal CordHematoma, Subdural, ChronicCathetersHematoma, Subdural, AcuteHematoma, Epidural, SpinalSpinal Cord InjuriesHematoma, Subdural, IntracranialHematoma, Subdural, SpinalCatheterizationCatheterization, Central VenousInjections, SpinalCerebral HemorrhageAnesthesia, SpinalSpinal Cord DiseasesTrephiningSpinal NervesTomography, X-Ray ComputedCentral Venous CathetersCatheterization, PeripheralSpinal DiseasesSpinal CanalSpinal Cord NeoplasmsSpinal Nerve RootsUrinary CatheterizationCardiac CathetersCraniotomySpinal NeoplasmsSpinal StenosisSpinal FusionEquipment FailureSubdural SpaceLaminectomyUrinary CathetersTreatment OutcomeDura MaterSpinal InjuriesEquipment DesignCatheter-Related InfectionsMagnetic Resonance ImagingSkull FracturesMuscular Atrophy, SpinalNeurosurgical ProceduresDrainageTime FactorsRetrospective StudiesSpinal Cord IschemiaParaplegiaSuctionThoracic VertebraeCerebral Hemorrhage, TraumaticGanglia, SpinalDecompression, SurgicalCraniocerebral TraumaCervical VertebraeLumbar VertebraeBasal Ganglia HemorrhageProspective StudiesSpineSubdural EffusionMotor NeuronsGlasgow Coma ScaleForeign-Body MigrationLumbosacral RegionRectus AbdominisTuberculosis, SpinalIntracranial HemorrhagesHead Injuries, ClosedSpinal PunctureLigamentum FlavumAnticoagulantsCardiac CatheterizationRats, Sprague-DawleyCatheterization, Swan-GanzMyelographyExtravasation of Diagnostic and Therapeutic MaterialsSpinal CurvaturesJugular VeinsSilicone ElastomersQuadriplegiaCranial Fossa, PosteriorFluoroscopyFollow-Up StudiesPosterior Horn CellsRemission, SpontaneousParaparesisCerebral AngiographyPostoperative ComplicationsArachnoid CystsSpinal Muscular Atrophies of ChildhoodSpinal Fractures