射频热凝与亚甲蓝注射治疗盘源性腰痛的疗效比较

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Abstract Objective To compare the short-term efficacy of radiofrequency thermocoagulation and methylene blue injection in the treatment of discogenic low back pain with complete rupture of intervertebral disc contrast annulus and leakage of contrast medium outside the disc.Methods From April 2020 to April 2021，72 patients with discogenic low back pain and positive discography were treated in Zigong Fourth People’s Hospital，including 40 patients with complete rupture of fibrous ring and leakage of contrast medium outside the disc.The patients were randomly divided into two groups according to the order of admission.In group A，20 patients were treated with radiofrequency thermocoagulation，including 15 males and 5 females.The age ranged from 23 to 58 years，with an average of (47.41±11.46)years.Group B was treated with methylene blue injection，including 14 males and 6 females，aged from 29 to 65 years，with an average of (48.23±7.70)years.Visual analogue scale(VAS) and Japanese Orthopedic Association(JOA) were used to evaluate the pain before and after treatment.Results All patients were followed up for 8 to 14 months，with an average of (12.00±1.65)months.VAS and JOA scores in the group were significantly different in preoperative and postoperative follow-up (P＜0.05).There was no statistically significant difference in VAS and JOA scores between the groups before surgery (P＞0.05)，and there was a statistically significant difference in the last follow-up after surgery (P＜0.05).The treatment improvement rate in group A was (81.65±13.37)%，and the excellent rate was 94.45%.In group B，the average was (30.67±16.79)%，the excellent rate was 16.78%.The difference between groups was statistically significant (P＜0.05).All patients had no serious vascular nerve injury，infection and other complications.Conclusion Radiofrequency thermocoagulation is more effective than methylene blue injection for discogenic low back pain with complete rupture of discography annulus and leakage of contrast medium outside the disc.Radiofrequency thermocoagulation is recommended for this type of discogenic low back pain.

Key words： intervertebral disc radiofrequency methylene blue

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	Articles by authors
	Wang Xiangyi
	Liu Shiwei
	Zhang Jin
	Wen Chao

Cite this article:

Wang Xiangyi,Liu Shiwei,Zhang Jin, et al. Efficacy Comparison of Radiofrequency Thermocoagulation and Methylene Blue Injection for Treatment of Discogenic Low Back Pain[J]. sygkzz, 2022, 28(4): 313-316.

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http://www.sygkzz.com/EN/ OR http://www.sygkzz.com/EN/Y2022/V28/I4/313

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