STUDY ON THE EFFECTIVENESS OF PAIN RELIEF ACCORDING TO THE VAS SCALE IN PATIENTS TREATED FOR LUMBAR DISC HERNIATION WITH CT-GUIDED PERCUTANEOUS OZONE THERAPY

Tùng Đỗ Đình, Thành Đinh Trung, Nghĩa Nguyễn Văn

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Abstract

Objective: To evaluate the pain relief effectiveness, based on the VAS scale, of MRI-guided percutaneous ozone therapy in the treatment of lumbar disc herniation at Saint Paul General Hospital. Methods: This interventional study was conducted on 147 patients (intervention group: 100 patients; control group: 47 patients). Percutaneous ozone and corticosteroid therapy were administered under MRI guidance. Results: The primary needle insertion route into the disc was posterolateral at a 45-degree angle (81%), while the remaining cases (19%) followed a midline approach through the vertebral lamina. Disc localization was rated as good in 74% of cases, moderate in 20%, and poor in 6%. The VAS score significantly decreased from 8.1 to 2.8 after 6 months. Short-term and mid-term treatment outcomes (at 1 and 3 months) were similar between the two groups. However, at 6 months, the intervention group exhibited lower pain levels and better functional outcomes than the control group. Conclusion: MRI-guided percutaneous ozone therapy is an effective intervention for lumbar disc herniation, providing significant pain relief and better preservation of motor function in long-term follow-up.

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References

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