母乳血清胎盘标记物和胎盘前期之间的关联和诊断价值
Panpan Ma1,2, Tingting Hu1, Yiming Chen3,4
1School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China.
概括
孕产妇血清中自由β人类胆性淋巴激素 (自由β-hCG) 和α胎儿蛋白 (AFP) 的水平升高可能表明胎盘前期. 在怀孕早期和中期结合这些标志物,可以比单个测试更好地预测.
科学领域:
- 产科和妇科 产科和妇科
- 孕产妇和胎儿医学 孕产妇和胎儿医学
- 临床生物化学 临床生物化学
背景情况:
- 胎盘前是一种妊娠并发症,需要准确的早期检测.
- 孕产妇血清胎盘标志物是各种妊娠状况的潜在指标.
- 评估这些胎盘前置的标志物可以改善产前护理.
研究的目的:
- 评估PAPP-A,自由β-hCG和AFP与胎盘前期有关的相关性和诊断效用.
- 为了确定母体血清标志物水平是否在有胎盘前期和没有胎盘前期的妇女之间有所不同.
- 评估单个标志物的诊断性能及其用于预测胎盘前的组合.
主要方法:
- 一项追溯病例控制研究,涉及137名孕妇.
- 在早期和中期产前查期间采集的母体血清样本.
- 使用t测试或曼·惠特尼U测试,比较前胎盘和对照组之间的标志物水平 (PAPP-A,自由β-hCG,AFP).
- 接收器操作特征 (ROC) 曲线分析以评估诊断价值.
主要成果:
- 与对照组相比,胎盘前期组的第一个和第二个三个月自由β-hCG和AFP水平显著更高.
- 两组之间没有观察到PAPP-A水平的显著差异.
- ROC分析表明自由β-hCG和AFP的诊断值,FT-Freeβ-hCG显示PPV,FPR和+LR的最佳性能.
- 使用AFP,ST-freeβ-hCG和FT-freeβ-hCG的组合检测模型显示出最好的NPV和-LR.
结论:
- 增加的母体血清自由β-hCG和AFP水平与胎盘前风险增加有关.
- 与单个标志物评估相比,早期和中期对这些母体血清标志物的联合检测在预测胎盘前期方面具有更高的诊断价值.
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