Abstract: Objective To investigate the clinical efficacy of radiofrequency surgical therapy combined with ozone for patients with discogenic low back pain. Methods The clinical data were collected in 120 patients treated with radiofrequency and ozone for lumbar disc herniation at Tianjin Hospital from October 2013 to October 2015. Pain visual analogue scale (VAS) was used to patients at preoperative and postoperative 1 week, 1, 3, 6 and 12 months. Health survey (SF-36) score was used at preoperative and postoperative six months. The efficacy was evaluated by MacNab curative effect evaluation. Re⁃ults The preoperative VAS score was (7.02±0.64) points. The postoperative VAS scores were (3.13±0.32) points, (2.11 ± 0.67) points， (2.62±0.89) points， (2.37±0.34) points and (2.31±0.50) points at one week, one month, three months, six months and twelve months, respectively. The VAS scores were significantly decreased after surgery (P < 0.05). Preoperative SF-36 score was (48.32 ± 7.46) points, which reached to the (82.03 ± 5.89) points six months after surgery (P < 0.05). After six months, the fineness rate reached to 89.17% evaluated by MacNab curative effect evaluation. Conclusion Radiofrequency combined with ozone treatment is an effective and reliable method for discogenic low back pain.

Key words: intervertebral disk displacement, ozone, radio frequency surgery, three oxygen injection, lumbar disc herniation