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目的:通过对产妇双侧阴部神经阻滞麻醉,观察对影响会阴裂伤的效果。方法将我院产科369例经阴道头位分娩的足月正常初产妇,随机分为两组,观察组给予会阴部双侧神经阻滞麻醉,对照组按常规保护会阴自然阴道分娩,观察两组会阴裂伤情况。结果观察组能有效减少会阴裂伤,与对照组比较,会阴切开率低。结论双侧阴部神经阻滞麻醉能有效减少软产道的裂伤,值得推广。“,”Objective Observation for treatment effect of perineum laceration through the nerve block anesthesia of two sides privates.Methods Wil obstetric hospital 369 cases of ful-term normal vaginal labor primipara, were randomly divided into two groups, the observation group given perineal bilateral nerve block anesthesia, the control group by routine protection of perineum spontaneous vaginal delivery, observe two groups of perineal tear.Results The observation group can effectively reduce the perineum with lower cutting perineum laceration compared with the comparison group.Conclusion It is worthy of the promotion for the nerve block anesthesia of two sides privates be able to reduce perineum laceration of soft production passage.