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目的 探讨笑气吸入用于分娩镇痛以及对产程和母儿的影响。方法 以 12 1例自愿采用笑气吸入镇痛的产妇为观察组 (A组 ) ,将 15 6例不采用镇痛的产妇作为对照组 (B组 ) ,分别观察两组的产痛程度、产力、产程、分娩 2小时内的出血量、剖宫产率、羊水粪染率、会阴缝合时疼痛程度、新生儿窒息率。结果 A组疼痛强度明显低于B组 (P<0 .0 1) ,第一产程明显短于B组 (P <0 .0 5 ) 。结论 笑气吸入用于分娩镇痛效果好 ,可明显缩短产程 ,对母儿无不良影响 ,是一种安全、有效的辅助分娩技术。
Objective To investigate the effects of nitrous oxide inhalation on labor analgesia, labor process and maternal and childbirth. Methods A total of 121 maternal women who received analgesia by inhalation were selected as the observation group (Group A). Fifty-six women who did not use analgesia as the control group (Group B) Power, labor, bleeding within 2 hours of delivery, cesarean section rate, meconium-stained amniotic fluid, perineal suture pain, neonatal asphyxia. Results The pain intensity of group A was significantly lower than that of group B (P <0.01). The first stage of labor was significantly shorter than that of group B (P <0.05). Conclusion It is a safe and effective assisted delivery technique that the inhalation of nitrous oxide is effective in analgesia during labor and can obviously shorten the labor process without any adverse effect on the mother and child.