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目的 比较常规治疗加用亚甲蓝椎旁神经阻滞治疗下肢RSD及CRPS的临床效果.方法 将在我院疼痛门诊椎旁神经阻滞治疗的2007年10月至2008年10月共6例下肢RSD及CRPS患者随机分为A、B两组;椎旁神经阻滞药物A组:布比卡因+舒芬太尼+亚甲蓝+强的松,B组:布比卡因+舒芬太尼+强的松.两组患者均按同一方式进行椎旁神经阻滞,根据效果决定治疗间隔.评估治疗效果采用视觉模拟评分(VAS).结果 6例患者均进入结果分析,整个治疗过程完整.A组1次/2W,B组2次/W.组间比较差异显著.结论 两组总疗效均有改善,加用亚甲蓝后需要治疗间隔明显较长.“,”Objective Increase compared paravertebral nerve block using methylene blue treatment of lower extremity RSD/CRPS clinical effect. Methods Pain in our hospital out-patient treatment paravertebral nerve block from October 2007 to October 2008 a total of six cases of lower limb RSD/CRPS patients were randomly divided into A, B group; paravertebral nerve block drug A: Bupivacaine + Sufentanil + methylene blue +prednisone, B group: bupivacaine + sufentanil + prednisone. The two groups are the same way in patients with paravertebral nerve block ,in accordance with the treatment effect of the decision interval. Assessment of treatment using visual analogue score (VAS). Results 6 patients entered the final analysis, the whole integrity of the treatment process. A Group 1/2W, B Group 2/W. Difference between groups significant. Conclusion The total effect of the two groups have improved, the need to increase after treatment with methylene blue significantly longer interval.