Oxygen ConsumptionDecompression, SurgicalPartial PressureDecompressionOxygenDecompression SicknessPressureBlood PressureCarbon DioxideBlood Gas AnalysisDivingAtmospheric PressurePulmonary Gas ExchangeReactive Oxygen SpeciesHeliumHydrostatic PressureNoble GasesRespirationAnoxiaHyperbaric OxygenationHeart RateEnergy MetabolismSpinal Cord CompressionHemodynamicsTime FactorsLaminectomyAir PressureTrigeminal NeuralgiaMicrovascular Decompression SurgeryOxygen Inhalation TherapySpinal StenosisNerve Compression SyndromesEmbolism, AirBlood Gas Monitoring, TranscutaneousTidal VolumeArnold-Chiari MalformationTreatment OutcomeSpinal FusionHypocapniaDogsCardiac OutputOximetryHypercapniaCervical VertebraeRegional Blood FlowExercise TestPolarographyLactic AcidGasesExerciseBlood Pressure DeterminationProspective StudiesRespiratory TransportDiskectomy, PercutaneousOxyhemoglobinsCapnographyIntracranial PressureOxidation-ReductionLumbar VertebraeSyringomyeliaAlcohol DrinkingAcid-Base EquilibriumHydrogen-Ion ConcentrationPhysical ExertionCerebrovascular CirculationAirComplex MixturesHypertensionLactatesHemoglobinsRespiratory MechanicsHyperventilationKryptonBody TemperatureVascular ResistanceAltitudeMyocardiumPulmonary VentilationPerfusionRespiration, ArtificialIntraocular PressureNitrogenModels, BiologicalTransducers, PressureHyperoxiaMitochondriaAcclimatizationIsofluraneArgonSwineRats, Sprague-DawleyAtmosphere Exposure ChambersIntervertebral Disc DisplacementMuscle, SkeletalCoronary CirculationBlood Flow VelocityAnalysis of VarianceFollow-Up StudiesDietSpondylosis