| 闫珊玲 郑红 刘万清 郑研 韦馨 孙冰.产前超声评估对前置胎盘患者分娩大出血的预测价值[J].现代生物医学进展英文版,2016,16(17):3385-3388. |
| 产前超声评估对前置胎盘患者分娩大出血的预测价值 |
| Clinical Significance of Ultrasound Assessment on the Prediction of theIntrapartumHemorrhage in Patients with Placenta Previa |
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| DOI： |
| 中文关键词: 前置胎盘 超声 出血 |
| 英文关键词: Placenta previa Ultrasound Bleeding |
| 基金项目:国家自然科学基金项目（81300150） |
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| 中文摘要: |
| 目的：探讨前置胎盘孕妇产前超声评估对预测产时大出血的临床价值。方法：选取2012 年1 月至2015 年1 月在我院诊断
为持续性前置胎盘（妊娠晚期和/或分娩期胎盘仍为持续状态）的孕妇60 名，结合孕妇临床表现和产前超声检查，分析在剖宫产
术中出现大出血的预测因素。结果：60 名产妇中，有22 例（36.7%）出现术中大出血（>1500 mL）。对22 例出现大出血的产妇进行
分组比较发现，既往有子宫手术史，前置胎盘距离宫颈内口更近甚至覆盖内口，缺乏透明带和胎盘植入的产妇，都表现出产时出
血量增加，相比较未发生大出血的产妇，差异有统计学意义（P<0.05）。胎盘覆盖宫颈内口，缺乏透明带，胎盘缺损，彩色多普勒异常
的产妇在剖宫产时发生大出血的概率更高（P<0.05）。结论：胎盘覆盖宫颈内口，缺乏透明带，胎盘植入，彩色多普勒异常的产妇在
剖宫产时发生大出血的概率更高，可作为预测产时大出血的因素。 |
| 英文摘要: |
| Objective:To evaluate the clinical value of ultrasound assessment in patients with placenta previa to predict the intrapartum
hemorrhage.Methods:60 pregnant women with persistent placenta previa（defined as late pregnancy and / or childbirth placenta
remains persistent state）were selected in our hospital from Jan. 2012 to Jan. 2015, then combined with the clinical manifestations and
prenatal ultrasound examination to analysis predictors of the intrapartum hemorrhage in cesarean section.Results:In the 60 women, 22
patients (36.7%) occurred intraoperative bleeding (>1500 mL). By comparing 22 cases of maternal bleeding, we found patients with previous
uterine surgery, placenta previa distance closer to the cervix or covering the internal ostium, lack of clear zone and presence of lacunae,
showing to increase the amount of bleeding in comparison with patients who did not occuring intraoperative bleeding, and the difference
was statistically significant (P<0.05). The distance fromthe internal os to the edge of the placenta, lack of clear zone, presence of
lacunae, abnormal color Doppler have higher probability of severe bleeding at the time of cesarean section (P<0.05).Conclusion:Patients
with distance fromthe internal os to the edge of the placenta, lack of clear zone, presence of lacunae, abnormal color Doppler have higher
probability of severe bleeding, those can be used as forecast factors of intrapartumhemorrhage. |
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