地塞米松、黄体酮对未足月胎膜早破患者CRH及分娩时间影响的研究Effects of dexamethasone on the levels of corticotropin-releasing hormone and the time of delivery in patients with premature rupture of membrane.
罗霞;周仲元;王谦;
摘要(Abstract):
目的:研究地塞米松(DEX)、黄体酮(P)对未足月胎膜早破患者外周血促肾上腺皮质激素释放激素(CRH)及分娩时间的影响,探讨用于促胎肺成熟时可能存在的促分娩发动作用及拮抗作用。方法:选取57例妊娠3436周发生胎膜早破的孕妇,随机分为4组,DEX组14例,肌肉注射地塞米松5mg,1次/12h,连用2天;DEX+P组14例,肌肉注射地塞米松同时给予黄体酮20mg,1次/d,连用2天;P组13例,肌肉注射黄体酮20mg,1次/d,连用2天;对照组16例,未给予地塞米松和黄体酮的胎膜早破孕妇。分别于入院时、入院后24h、48h测定4组孕妇外周血CRH含量及入院至胎儿娩出的时间。用放射免疫法测定CRH含量,同时定期监测研究对象的体温、脉搏、外周血白细胞及C反应蛋白。结果:(1)所有研究对象观察期间体温、脉搏、白细胞和C反应蛋白均在正常范围,各组间无统计学差异(P>0.05);(2)4组孕妇入院时外周血CRH无统计学差异(P>0.05),入院24h及48h DEX组CRH水平高于DEX+P组、P组及对照组,差异有统计学意义(P<0.05,P<0.01);后3组之间无统计学差异(均P>0.05);(3)4组孕妇均经阴分娩。DEX组的分娩时间显著短于DEX+P组(P<0.05)、P组(P<0.01)及对照组(P<0.01);(4)CRH水平与分娩时间呈负相关(r=-0.79,P<0.05);(5)4组研究对象的新生儿评分和体重均无统计学差异(P>0.05)。结论:地塞米松可能通过上调促肾上腺皮质激素释放激素发挥促分娩发动作用,黄体酮可对抗地塞米松的促分娩发动作用。
关键词(KeyWords): 黄体酮;促肾上腺皮质素释放激素;地塞米松;未足月胎膜早破;分娩发作
基金项目(Foundation):
作者(Authors): 罗霞;周仲元;王谦;
DOI: 10.13283/j.cnki.xdfckjz.2008.09.010
参考文献(References):
- [1]Warren WB,Patrick SL,Goland RS.Elevated maternalplasma corticotropin-releasing hormone levels in pregnan-cies complicated by preterm labor[J].Am J Obstet Gy-necol,1992,166:1198-1207
- [2]Mancuso RA,Schetter CD,Rini CM,et al.Maternal pre-natal anxiety and corticotropin-releasing hormone associ-ated with timing of delivery[J].Psychosom Med,2004,66:762-769
- [3]Marinoni E,Korebrits C,Di Iorio R,et al.Effect of beta-methasone in vivo on placental corticotropin-releasing hor-mone in human pregnancy[J].Am J Obstet Gynecol,1998,178:770-778
- [4]Karalis K,Goodwin G,Majzoub JA.Cortisol blockade ofprogesterone:a possible molecular mechanism involved inthe initiation of labor[J].Nat Med,1996,2:556-560
- [5]Karteris E,Grammatopoulos D,Randeva H,et al.Signaltransduction characteristics of the corticotropin-releasinghormone receptors in the feto-placental unit[J].J ClinEndocrinol Metab,2000,85:1989-1996
- [6]Jeschke U,Mylonas I,Richter DU,et al.Regulation ofprogesterone production in human term trophoblasts invitro by CRH,ACTH and cortisol(prednisolone)[J].Arch Gynecol Obstet,2005,272:7-12
- [7]Giannoulias D,Haluska GJ,Gravett MG,et al.Localiza-tion of prostaglandin H synthase,prostaglandin dehydro-genase,corticotroplin releasing hormone and glucocorti-coid receptor in rhesus monkey fetal membranes with la-bor and in the presence of infection[J].Placenta,2005,26:289-297
- [8]Elliott JP,Radin T.The effect of corticosteroid administra-tion on uterine activity and preterm labor in high-ordermultiple gestations[J].Obstet Gynecol,1995,85:250-254
- [9]美国家庭医师学会编.ALSO高级产科生命支持[M].盖铭英,译.北京:中国协和医科大学出版社,2002:72