Decompression, SurgicalSpinal StenosisHematoma, Epidural, SpinalLumbar VertebraeDecompressionSurgical Procedures, Minimally InvasiveDecompression SicknessDivingSpinal Cord CompressionLaminectomyMicrovascular Decompression SurgeryTrigeminal NeuralgiaNerve Compression SyndromesArnold-Chiari MalformationSpinal FusionCervical VertebraeDiskectomy, PercutaneousSyringomyeliaEmbolism, AirNoble GasesIntervertebral Disc DisplacementSpondylosisForamen MagnumDiskectomyTreatment OutcomeThoracic VertebraeHyperbaric OxygenationExophthalmosGraves OphthalmopathyPolyradiculopathyOssification of Posterior Longitudinal LigamentIntubation, GastrointestinalOrbitHemifacial SpasmRadiculopathyMicrosurgerySpinal OsteophytosisFemur Head NecrosisSpinal Cord DiseasesSpinal DiseasesSacrumLigamentum FlavumNeurosurgical ProceduresAtmospheric PressureSpinal CanalPlatybasiaTuberculosis, SpinalSpondylolisthesisCompartment SyndromesParaparesisPostoperative ComplicationsHeliumInternal FixatorsThoracic Outlet SyndromeCranial Fossa, PosteriorParamethasoneGlossopharyngeal Nerve DiseasesAir PressureSubmarine MedicineCarpal Tunnel SyndromeSpinal Neoplasms