摘要目的 探讨氧化亚氮分娩镇痛效果及对产程、母儿的影响.方法 选择正常初产妇220例,120例为观察组,在产程进入活跃期开始至宫口开全吸人含50%氧化亚氮与50%氧混合气体;100例为对照组,观察镇痛效果、活跃期时间、血压、脉搏、呼吸变化及产后出血、新生儿评分等.结果 观察组有良好的镇痛效果,有效率达93.3%,活跃期明显缩短,对母儿无不良影响.结论 氧化亚氮吸入应用于分娩镇痛,安全、有效,值得临床推广应用.

abstractsObjective To detect the effect of analgesic labor with inhaling nitrous oxide gas for the duration of labor and mother and fetus. Methods Choose 220 cases of normal primipara, 120 cases were observed group, the primipara were inhaled the mixture gas(50% nitrous oxide and 50% oxygen) when the duration of labor entered the progress from active phase to the cervical dilatation were all opened, 100 cases were control group. The effect of anal-gesia, the change of breath and postpartum hemorrhage, neonatal scores were observed. Results The observed group has good effect on anlgesia, the effective rate is 93.3 % . The active phase were obviously shortened and has bad effect to mother and fetus. Conclusion It was safety and effective by inhaling nitrous oxide gas for analgesic labor and worthy to generalized and applied.