The incidence rate of residual neuralgia in the treatment group was significantly lower than that of the control group, the adverse reaction and efficacy was no significant variance(P > 0. 05 ).

结果治疗组症状和体征的改善时间比对照组短，其中以止痛时间缩短最为显著（P〈0．01），后遗神经痛发生率第一组明显低于第二组（P〈0．05），两组的疗效及不良反应发生率无显著性差别（P〉0．05）。

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