关于对红细胞抗原免疫的怀孕管理的临床实践指南
Kenneth J Moise1, Kara B Markham2, Philip C Spinella3
1Dell Medical School-University of Texas at Austin and the Comprehensive Fetal Care Center, Dell Children's Hospital, Austin, Texas.
JAMA network open
|November 24, 2025
概括
怀孕期间红细胞的非免疫化需要更新的管理策略. 新的建议侧重于胎儿贫血的早期检测和干预,旨在改善非免疫妊娠的结果.
科学领域:
- 产科和妇科 产科和妇科
- 输血医学 输血医学
- 新生儿科学 新生儿科学
背景情况:
- 红细胞合免疫产生于不兼容的胎儿红细胞穿过胎盘,可能导致胎儿贫血和死亡.
- 虽然Rhesus D (RhD) 与免疫接种可以通过Rh免疫球蛋白预防,但使用低位数,O,RhD阳性全血 (LTOWB) 具有新的风险.
- 这种做法可能会增加女性群体对不兼容红细胞的暴露.
研究的目的:
- 建立基于证据的建议,用于管理受红细胞共免疫影响的怀孕.
- 通过系统性审查和Delphi过程来解决临床知识差距.
主要方法:
- 成立了四个多学科工作组 (输血医学,血液学,孕产妇医学,新生儿医学),包括患者利益相关者.
- 图书馆科学家进行了系统审查和元分析.
- 一个德尔菲过程根据好处,危害,证据确定性,价值,资源,道德,公平性和可行性来改进建议和实践点.
主要成果:
- 开发了7个临床建议和32个实践点.
- 关键建议包括使用无细胞胎儿DNA用于早期风险识别,在特定情况下使用静脉注射免疫球蛋白 (IVIG),并利用中脑动脉多普勒检测胎儿贫血.
- 其他要点包括在高风险怀孕中使用IVIG,在35周之前继续进行子宫内输血,以及在37周到38周之间优化分娩时间.
结论:
- 这些建议提供了一种最新的方法来管理红细胞和免疫妊娠.
- 尽管由于缺乏高质量的证据而存在局限性,但对于这种罕见的疾病来说,标准化的方法至关重要.
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