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目的：观察臭氧气浴治疗糖尿病足的疗效。方法将糖尿病足患者分为臭氧治疗组和对照组。对照组采用常规内科综合治疗，治疗组在内科综合治疗基础上联合臭氧气浴治疗。结果共67例患者，臭氧治疗组有效率87%（28/34），对照组有效率45%（15/33）；臭氧治疗组溃疡愈合时间56天，而对照组为93天。结论臭氧气浴治疗糖尿病在可以提高疗效、缩短疗程，而且护理操作方法简单，费用低，无明显的不良反应。“,”Object Examine the clinical efficacy of ozone bath in patients with diabetic foot. Method Diabetic patients with foot ulcers were randomly divided into treatment group and control group .Control group(33 patients) received conventional medical therapy. Treatment group(34 patients) received both medical therapy and ozone (O3) bath therapy. Results Patient demographics did not differ between two groups. 28of 34 ulcers (87%) in the treatment group and 15 of 33 ulcers (45%) in the control group healed after a median of 56 and 93 days. The rate of wound healing in the treatment group was significantly higher than control group( P =0.002). Conclusion Ozone bath is an effective treatment for diabetic foot ulcers.