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目的:观察背腧穴皮下注射1%利多卡因用于分娩镇痛的效果及对母婴的影响。方法:将120例初产妇随机分为3组,Ⅰ组为对照组,Ⅱ组为灭菌注射用水组,Ⅲ组为利多卡因组。在进入活跃期后,Ⅰ组无镇痛干预,Ⅱ、Ⅲ组在宫口开大3 cm后行背腧穴皮下注射,半小时后采用视觉模拟量表(VAS)评分法评价镇痛效果。结果:VAS评分Ⅱ组和Ⅲ组均较Ⅰ组显著降低(P<0.05),Ⅲ组较Ⅱ组明显降低(P<0.05);产妇中转剖宫产、产后出血、新生儿窒息的发生机率及产程进展3组比较,差异均无统计学意义(P>0.05)。结论:背腧穴皮下注射1%利多卡因用于分娩镇痛效果良好,且对于分娩方式和新生儿无不良影响。
Objective: To observe the effect of subcutaneous injection of 1% lidocaine in back acupoints on labor analgesia and its effect on mother and infant. Methods: 120 cases of primiparous women were randomly divided into three groups, Ⅰ group as control group, Ⅱ group as sterile water for injection, Ⅲ group for lidocaine group. After entering the active phase, there was no analgesic intervention in group Ⅰ, while in group Ⅱ and Ⅲ, subcutaneous injection was performed in dorsal acupoints 3 cm behind the cervix. After half an hour, the visual analog scale (VAS) was used to evaluate the analgesic effect. Results: The VAS scores in group Ⅱ and group Ⅲ were significantly lower than those in group Ⅰ (P <0.05), and those in group Ⅲ were significantly lower than those in group Ⅱ (P0.05). The incidence of cesarean section, postpartum hemorrhage and neonatal asphyxia in women was significantly lower than that in group Ⅱ The progress of labor in the three groups, the difference was not statistically significant (P> 0.05). Conclusion: Subcutaneous injection of 1% lidocaine in back acupoints is effective in analgesia during labor and has no adverse effect on the mode of delivery and the newborn.