笑气吸入用于无痛分娩的临床研究

Clinical study on analgesia labor with inhaling laughing gas

目的 :研究笑气吸入用于无痛分娩的疗效及对母婴的影响。方法 :将 2 0 0例产妇随机分为观察组和对照组。对照组除不给笑气吸入外 ,其他产科处理措施与观察组相同。比较两组的产痛程度、产程时间、分娩方式、分娩时出血量、新生儿 Apgar评分等。结果 :观察组的镇痛效果评分明显低于对照组 ( P<0 .0 1 )。两组产妇产程情况、分娩方式、失血量、以及新生儿 Apgar评分均无明显差异 ( P>0 .0 5 )。结论 :笑气吸入用于产妇分娩镇痛 ,对母、儿、产程无不良影响 ,且有利于产妇在分娩中保持较好的心理状态和体力。对胎儿有利 ,是安全、有效、简便的无痛分娩方法。

Objective: To study the efficiency of inhaling laughing gas for labor pain relief and its effects on mother and fetus, Methods: 2oo primiparas were randomly divided into the observational group and the control group, The control group was given the same treatments as that in the observational group but inhaling laughing gas. The degree of labor pain,delivery process, delivey ways, Apgar scores, quantity of intrapartum hemorrhage were compared between the two group. Results: The labor pain in the observational group was significantly less than that in the control one (P<0.01)but there were no significant differences in time of labor , delivey ways, bleeding volume, and Apgar score between the two groups(P>0.05 ) . Conclusion: The inhalation of nitrous oxide premixed with oxygen( 50% )for analgesia labor benefits pregnant women by of keeping them in a good mental and physical condition. The inhalation of nitrous oxide for analgesia labor is a safe,effective and easy method.