Spinal Cord CompressionDecompression, SurgicalSpinal CordLaminectomySpinal Cord InjuriesSpinal NeoplasmsCervical VertebraeSpinal Cord DiseasesSpinal Cord NeoplasmsThoracic VertebraeDecompressionDecompression SicknessEpidural NeoplasmsParaplegiaMyelographySpinal DiseasesSpinal CanalEpidural SpaceSpinal OsteophytosisHematopoiesis, ExtramedullaryHematoma, Epidural, SpinalMagnetic Resonance ImagingScheuermann DiseaseSpinal FusionParaparesisSpondylosisQuadriplegiaHyperostosisSpinal Cord IschemiaSpinal StenosisOdontoid ProcessTuberculosis, SpinalOsteochondromaRheumatic NoduleNerve Compression SyndromesOssification of Posterior Longitudinal LigamentEpidural AbscessSpinal Nerve RootsBalloon EmbolectomyLumbar VertebraeTreatment OutcomeTunica IntimaInjections, SpinalNeurosurgical ProceduresSpineArachnoidRecovery of FunctionArachnoid CystsBone NeoplasmsParaparesis, Tropical SpasticSpinal FracturesExostoses, Multiple HereditaryUmbilical CordDiphosphonatesSpinal NervesTomography, X-Ray ComputedData CompressionHemangiomaFractures, SpontaneousMyelitisMotor NeuronsRetrospective StudiesSpinal Cord RegenerationOssification, HeterotopicCervical AtlasDura MaterIntervertebral Disc DisplacementLumbosacral RegionTime FactorsRadiculopathyAtlanto-Axial JointAnesthesia, SpinalSyringomyeliaLongitudinal LigamentsIntervertebral DiscKyphosisDisease Models, AnimalFatal OutcomeSpinal InjuriesRats, Sprague-DawleyPain