目的 探讨两种镇痛方法用在无痛分娩中的效果及对母婴的影响.方法 将144例产妇按入院的先后顺序随机分为A组、B组和对照组,每组48例,A组予硬膜外阻滞麻醉方法进行镇痛,B组予笑气吸入方法进行镇痛,对照组未给予镇痛药.对各组的镇痛有效率、剖宫产率、新生儿窒息率及产后出血率等指标进行分析.结果 笑气吸入与硬膜外阻滞的有效率分别为89.7％和91.6％,组间比较差异无统计学意义(P＞0.05)；其剖宫产率、产后出血率及新生儿窒息与未使用镇痛药物者相近(P＞0.05).结论 笑气吸入和硬膜外阻滞用于分娩镇痛均安全有效,对母婴均无不良影响,值得临床推广应用.%Objective To explore the effect of the two methods on analgesia for painless childbirth. Methods 140 cases of maternal was included in the study. According to the order of admission, they were randomly divided into group A, group B and control group. A group was given epidural block anesthesia methods of analgesia, B group was given nitrous oxide inhalation and the control group was not given analgesics. The analgesic efficiency, cesarean section rate, neonatal asphyxia and postpartum hemorrhage rate indicators were analyzed. Results Inhaling nitrous oxide and epidural block was 89. 7% and 91. 6%, respectively. The difference between groups was not statistically significant (P>0. 05). The vaginal delivery rate, the rate of cesarean section, postpartum rate of hemorrhage and newborn asphyxia and use analgesic drugs was similar (P>0. 05). Conclusion Inhaling nitrous oxide and epidural block for labor analgesia is safe and effective.
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