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目的:探讨产程中应用哌替啶或地西泮对产程和新生儿呼吸的影响.方法:采用随机对照方法,对150例处于潜伏期的产妇分别用哌替啶(A组50例)、地西泮(B组50例)和安慰剂(C组50例),观察产程进展情况、新生儿脐血PH值、氧分压(PO2)和二氧化碳分压(PCO2).结果:应用哌替啶或地西泮对第一产程有明显促进作用(P＜0.05),但对第二产程无明显影响(P＞0.05),两药对产程的影响差异无显著性(P＞0.05),对脐血PH值、氧分压和二氧化碳分压均无明显影响(P＞0.05).结论:潜伏期应用哌替啶或地西泮可促进第一产程进展,且对胎儿无明显呼吸抑制作用.“,”Objective: To investigate the effects of pethidine or diazepam on stage of labor and neonatal breath Method: 150 primiparae in latent period were divided randomly into three groups: group A ( n =50) given with pethidine, group B ( n =50) given with diazepam and group C ( n =50) given with Vitamin B 1 Both the first and se cond stage courses were observed, and the pH, PO 2 and PCO 2 of umbilical cord arterial or venous blood we...