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第一个三个月的阿司匹林开始时间对产科结果的影响:一项比较研究

Bilge Cetinkaya Demir¹, Ediz Güney², Gokhan Ocakoglu³

¹Department of Obstetrics and Gynecology, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey.

|February 27, 2026

概括

在高风险怀孕中,在11周前早期开始低剂量阿司匹林 (LDA) 改善了PAPP-A水平,但与较晚开始相比,并没有显著改变产科结果或子宫动脉多普勒指数. 升高的子宫动脉脉动指数始终预测了不良结果.

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
在怀孕期间的药理学

背景情况:

孕前 (PE) 和胎儿生长限制是显著的产科并发症.
早期启动低剂量阿司匹林 (LDA) 是一个常见的策略,以减轻PE风险.
高风险妊娠中LDA启动的最佳时间仍在调查中.

研究的目的:

评估早期 (11周前) 与晚期 (11-14周) LDA启动和高风险PE怀孕中的产科结果之间的关联.
评估LDA时间对子宫动脉脉动指数 (UtA PI),PAPP-A水平和分娩结果的影响.

主要方法:

对1062名PE高风险孕妇进行前性队列研究.
55名在11周前开始LDA的妇女 (早期组) 与50名在11-14周之间开始LDA的妇女 (晚期组) 的比较.
评估的结果包括第一个和第二个三个月的UtA PI,PAPP-A,胎儿生长和分娩特征.

主要成果:

早期LDA启动与11-14周的中位数数值的PAPP-A平均倍数显著更高有关.
在早期和晚期LDA启动组之间没有观察到UtA PI或主要产科结果的显著差异.
在20-24周的UtA PI升高与早期LDA组中的早产有显著的关联.

结论:

在11周前早期LDA启动与较高的第一季度PAPP-A有关,但不会显著影响群体水平的产科结果或子宫动脉多普勒指数.
升高的UtAPI始终与不良妊娠结果相关,这表明它反映的是胎盘病理,而不是治疗效果.
该研究的PE和胎儿生长限制的低发病率限制了最终的结论;发现是产生假设的.

关键词:

胎儿生长限制限制胎儿生长低剂量阿司匹林的使用.孕前症是什么意思过早产生的劳动.子宫动脉子宫动脉

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