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未足月胎膜早破相关机制的研究进展

林晓妍,易媛媛   

  1. 内蒙古医科大学附属医院,内蒙古医科大学附属医院
  • 收稿日期:2018-11-13 修回日期:2019-01-01 出版日期:2019-02-25
  • 基金资助:
    科技百万工程项目(项目编号:YKD2013KJBW013;项目名称:高危妊娠孕晚期胎心监护、脐血流S/D值预测胎儿窘迫的比较)

Research Progress on the Mechanism of Preterm Premature Rupture of Membranes

Lin Xiaoyan and Yi Yuanyuan   

  1. Inner Mongolia Medical University,Inner Mongolia Medical University
  • Received:2018-11-13 Revised:2019-01-01 Online:2019-02-25

摘要: 胎膜早破(premature rupture of membranes,PROM)是一种危害孕妇及胎儿健康的产科常见疾病。胎膜早破常分为足月胎膜早破和未足月胎膜早破(preterm premature rupture of membranes, pPROM)。pPROM的影响因素众多,发生机制目前尚不明确。本研究拟综合pPROM相关资料,总结分析pPROM发生的相关机制。研究显示PROM与凝血酶原相关,凝血酶原可以直接由胎膜羊膜、绒毛膜和蜕膜细胞产生以及胎膜中暴露的小量尿素也可刺激凝血酶原的产生;氧化应激反应导致胎膜薄弱,从而导致PROM;前B细胞集落增强因子(pre-B-cell colony-enhancing factor, PBEF)受到刺激,则导致提前分娩,可作为羊水渗漏的通道,也可作为炎症细胞和微生物迁移通道的妊娠期胎膜中的微裂缝有可能是组织重塑的部位。

Abstract: Premature rupture of membranes (PROM) is a common obstetric disease that jeopardizes the health of pregnant women and their fetuses. PROM is often divided into term premature rupture of membranes (tPROM) and preterm premature rupture of membranes (pPROM). There are many factors influencing pPROM, and the mechanism of occurrence is still unclear. In this study, we intend to summarize relevant data of pPROM, and analyze the relevant mechanisms of pPROM. The results show PROM is related to prothrombin. Prothrombin can be produced directly from the cells on the amnion, chorion and decidua, and its generation can also be stimulated by a small amount of urea exposed to fetal membrane. In addition, oxidative stress reaction causes fetal membrane to be very weak, leading to PROM. Pre-B cell colony-enhancing factors are stimulated, leading to early delivery. Micro-cracks in the fetal membrane during pregnancy can be used as a channel for leakage of amniotic fluid and a channel for inflammatory cells and microbial (bacteria) transport, and may be a site for tissue remodeling.