This interventional study evaluates a "triple therapy" approach-combining percutaneous spinal fixation, facet radiofrequency ablation, and epidural steroid/hyaluronidase injection-for patients with Failed Back Surgery Syndrome (FBSS). The study compares this combined strategy against spinal fixation alone to determine its effectiveness in reducing chronic radicular pain and disability.
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Change in Pain Intensity (NRS)
Timeframe: 6 months post-intervention
Change in Disability Level (ODI)
Timeframe: 6 months post-intervention