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目的了解氧化亚氮应用于分娩镇痛效果及产程和新生儿情况的影响。方法对50例(研究组)应用氧化亚氮吸入行无痛分娩产妇和53例(对照组)单用氧气吸入的产妇进行观察,分析产妇宫缩时疼痛程度、产程时间长度、产后出血量、新生儿Apgar’s评分、羊水性状改变、及分娩结局、不良反应。并对两组结果进行比较。结果研究组产妇无痛分娩有效率94%,明显高于对照组,有显著性意义(P<0.01)。研究组第一产程和总产程明显短于对照组,有显著性意义(P<0.05)。研究组剖宫产率明显低于对照组,有显著性差异(P<0.05)。分娩时出血量、新生儿Apgar’s评分比较差异无显著性。(P>0.05)。不良反应轻微。证明氧化亚氮吸入无痛分娩镇痛效果明显,并可缩短产程降低剖宫产率,对母儿无不良影响,是一种理想、安全、有效、简便的分娩镇痛方法。
Objective To investigate the effects of nitrous oxide on labor analgesia, labor and neonatal status. Methods Fifty patients (study group) were treated with nitrous oxide inhalation of painless childbirth and 53 cases (control group) of single oxygen inhalation were observed. The pain intensity, labor duration, postpartum hemorrhage, Neonatal Apgar’s score, changes in amniotic fluid traits, and childbirth outcomes, adverse reactions. And compare the two groups of results. Results The study group painless childbirth efficiency of 94%, significantly higher than the control group, significant (P <0.01). Study group, the first stage of labor and total production was significantly shorter than the control group, a significant (P <0.05). The rate of cesarean section in the study group was significantly lower than that in the control group (P <0.05). The amount of bleeding during childbirth, neonatal Apgar’s score was no significant difference. (P> 0.05). Minor adverse reactions. Proved nitrous oxide analgesic effect of painless labor was obvious, and can shorten the labor process to reduce cesarean section rate, no adverse effects on the mother and child, is an ideal, safe, effective and easy method of labor analgesia.