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Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_I | Pages 15 - 15
1 Mar 2008
Wilson-MacDonald J Burt G Griffin D Glynn C
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To assess whether epidural steroid injection [ESI] is effective in the treatment of nerve root pathology caused by compression in the lumbar spine secondary to either spinal stenosis or disc prolapse, we carried out a prospective randomised controlled trial; patients were randomised either to ESI or Intramuscular steroid injection, with minimum two year follow-up.

Ninety two patients with symptoms, signs and radiological findings consistent with lumbar nerve root compression suitable for surgical decompression.

The main outcome measures were the Oxford Pain Chart over the first month, Oswestry Disability Index, and the need for surgery.

There was a significant reduction in pain early on after ESI compared with controls [p=< 0.004] between 10 and 35 days. There was no difference in the long term between the two groups and the rate of surgery in the two groups was not significantly different. Indeed the rate of surgery was higher in the ESI group than the control group [41% vs.31%] but this was not significant. A second ESI did not change the likelihood that surgery would be required.

Conclusion: ESI is effective for early pain relief for lumbar nerve root compression. However it does not change the natural history of the condition and does not reduce the ultimate need for surgery. It is probably effect to “buy time” in acute sciatica until improvement occurs naturally.