Analysis of gas in vacuum lumbar disc.
In three cases in which chemonucleolysis with chymopapain was used for the treatment of back and sciatic pain, gas from the vacuum phenomenon of a degenerated lumbar intervertebral disc was recovered. In one of these, the gas analyzed by gas chromatography contained 90%--92% nitrogen.
D002917:Chymopapain / Q000627:therapeutic use; D005740:Gases / Q000032:analysis*; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000000981:diagnostic imaging / Q000628:therapy; D008159:Lumbar Vertebrae; D009584:Nitrogen / Q000032:analysis; D011859:Radiography; D014618:Vacuum
D005740:Gases; D002917:Chymopapain; D009584:Nitrogen