网络元分析:不同剂量的阿司匹林和肝素在缓解胎盘介导的妊娠并发症方面的比较疗效
Zhihui Xiong1, Shenglin Jiang1, Zhouhui Yuan1
1Obstetrical Department, Zhejiang Hospital, Hangzhou, 310007, China.
BMC pregnancy and childbirth
|December 5, 2025
概括
低剂量阿司匹林和肝素的组合有效地预防高风险怀孕中的胎盘介导妊娠并发症 (PMPC). 低剂量阿司匹林和低分子量肝素的组合显示在减少严重预先怀孕症和胎儿损失方面具有最佳的疗效.
科学领域:
- 产科和妇科 产科和妇科
- 药理学 药理学是指药理学的学科.
- 孕产妇和胎儿医学 孕产妇和胎儿医学
背景情况:
- 胎盘介导的妊娠并发症 (PMPC) 对母亲和胎儿的健康构成重大风险.
- 目前在高风险怀孕中使用PMPC的预防策略需要进行比较有效性评估.
研究的目的:
- 进行网络元分析 (NMA),比较各种低剂量阿司匹林 (ASA) 剂量,单独或与肝素一起,用于预防PMPC.
- 为了确定高风险怀孕的最佳抗凝剂方案.
主要方法:
- 在PubMed,Embase,Cochrane图书馆和Web of Science系统搜索随机对照试验 (RCT).
- 包括评估ASA (<100毫克/天,≥100毫克/天),未分离的肝素 (UFH),低分子量肝素 (LMWH) 和组合的研究.
- 贝叶斯随机效应的NMA和来自63个RCT (20,325名参与者) 的数据的试验顺序分析 (TSA).
主要成果:
- 所有抗凝血剂疗法都显著降低了孕前 (PE) 风险 (24-95%).
- <100 mg/天ASA + LMWH的组合显著减少了严重的PE和胎儿损失.
- 交通安全局证实,≥100 mg/天的ASA+LMWH显著降低了整体PMPC风险.
结论:
- ASA和LMWH的组合疗法在缓解PMPC方面是有效的.
- <100 mg/天的ASA + LMWH疗法为严重的PE和胎儿损失的预防提供了最佳的疗效.
- 这些发现支持在高风险怀孕中进行PMPC预防的临床决策.
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