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Surgery for degenerative lumbar spondylosis
J N Gibson1, G Waddell, I C Grant
1Orthopaedic Surgery, Princess Margaret Rose Orthopaedic Hospital, Edinburgh, Edinburgh, UK, EH10 7ED. j.n.a.gibson@ed.ac.uk
The Cochrane Database of Systematic Reviews
|July 25, 2000
Summary
Surgical treatment for degenerative lumbar spondylosis lacks evidence. Studies show no proven benefit of surgery over conservative care, with instrumented fusion not improving clinical outcomes and potentially increasing complications.
Area of Science:
- Spinal Surgery
- Evidence-Based Medicine
- Orthopedics
Background:
- Spinal disorders incur significant healthcare costs, with limited evidence supporting many surgical interventions.
- Degenerative lumbar conditions, including spondylosis and degenerative disc disease, are common causes of back pain and instability.
Purpose of the Study:
- To systematically review the scientific evidence for surgical interventions in treating degenerative lumbar spondylosis.
- To assess the efficacy and safety of various surgical approaches for lumbar spine degeneration.
Main Methods:
- Comprehensive literature search of multiple databases (Cochrane, Medline, Embase, etc.) and expert correspondence up to December 31, 1999.
- Inclusion of randomized or quasi-randomized trials of surgical treatments for lumbar spondylosis.
- Quality assessment and data extraction by two independent reviewers, with author follow-up for clarification.
Main Results:
- Sixteen trials were identified, many with significant design flaws (poor randomization, lack of blinding, potential bias).
- No trials compared surgery against natural history, placebo, or conservative treatments.
- Instrumented fusion showed higher fusion rates but no improved clinical outcomes and potentially higher complication rates compared to non-instrumented fusion.
Conclusions:
- There is a lack of robust scientific evidence to support the effectiveness of surgical decompression or fusion for degenerative lumbar spondylosis.
- Current evidence does not demonstrate superiority of surgical interventions over conservative management or natural disease progression.