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Threaded fusion cage for lumbar spondylolisthesis
1Department of Neurological Surgery, Aichi Medical University.
Neurologia Medico-Chirurgica
|May 23, 1998
Summary
Threaded fusion cages effectively treat low-grade spondylolisthesis, relieving disabling low back pain and claudication. This lumbar spine fusion method shows promising results with no fixation failures.
Area of Science:
- Orthopedic Surgery
- Spinal Fusion Techniques
Background:
- Meyerding I spondylolisthesis often causes disabling low back pain and intermittent claudication.
- Traditional treatments may not always provide sufficient relief for these symptoms.
Observation:
- Fifteen patients with Meyerding I spondylolisthesis underwent lumbar spine fusion using threaded fusion cages.
- The unstable spinal segments were targeted for cage implantation.
Findings:
- All patients experienced subsidence of low back pain and intermittent claudication postoperatively.
- The average Japan Orthopaedic Association score improved from 11.5 to 23.5.
- Five patients had significant symptom resolution, six showed reasonable improvement, and four reduced medication needs. No fixation failures or need for supplemental fixation occurred.
Implications:
- Threaded fusion cages are an effective and promising device for lumbar spine fusion.
- This technique offers a viable solution for relieving low back pain in low-grade spondylolisthesis.
- Further research can explore long-term outcomes and broader applications of this fusion method.