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A technique for lumbar spinal osteotomy in ankylosing spondylitis
The Journal of Bone and Joint Surgery. British Volume
|March 1, 1985
Summary
This study modified the Smith-Petersen technique for ankylosing spondylitis spinal deformities. The improved method achieved solid fusion and good correction without neurological complications.
Area of Science:
- Orthopedic Surgery
- Spinal Surgery
- Rheumatology
Background:
- Ankylosing spondylitis often causes severe spinal flexion deformities.
- Surgical correction is challenging and carries risks.
Purpose of the Study:
- To evaluate a modified Smith-Petersen technique for spinal extension osteotomy.
- To assess the safety and efficacy of a novel compression device for rigid internal fixation.
Main Methods:
- Fourteen patients with ankylosing spondylitis underwent modified Smith-Petersen extension osteotomy.
- A compression device was used for controlled osteotomy closure and rigid fixation.
Main Results:
- All patients achieved improved spinal alignment, enabling them to see straight ahead.
- Solid fusion was confirmed in all patients at nine months post-operation.
- No serious neurological complications were reported.
Conclusions:
- The modified Smith-Petersen technique with a compression device is safe and effective.
- This approach provides reliable correction and solid fusion for severe spinal deformities in ankylosing spondylitis.