胎镜激光切除与II型和III型vasa previa的标准管理
S Backley1, R H Chmait2, E P Bergh1
1UTHealth Houston Fetal Institute, Division of Fetal Intervention, Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at UTHealth Houston, Houston, TX, USA.
概括
胎镜激光切除 (FLA) 对于腹膜前 (VP) 允许晚期分娩和阴道分娩,与标准管理相比,减少新生儿并发症. 这种替代方法为母亲和婴儿提供了更好的结果.
科学领域:
- 孕产妇和胎儿医学 孕产妇和胎儿医学
- 高风险怀孕管理管理
- 最少侵入性的胎儿手术
背景情况:
- 标准管理 (SM) 的先 (VP) 涉及早期住院和预定的剖腹产.
- 胎镜激光切除 (FLA) 已成为特定VP类型 (II和III) 的潜在替代方案.
- 有限的比较数据存在于FLA和SM之间的母亲和新生儿结局.
研究的目的:
- 为了比较怀孕II型或III型VP的孕妇和新生儿的结果,在第三个三个月的FLA与标准管理 (SM) 之间进行管理.
- 评估FLA作为SM替代品在改善交付时间和方式方面的有效性.
- 评估FLA对母亲产前停留和新生儿结局的影响.
主要方法:
- 在两个美国转诊中心 (2016年9月至2023年12月) 对产前诊断的II型或III型VP病例进行队列研究.
- 选择性FLA患者的前性随访;对SM队列的回顾性选择.
- 主要结局:分娩时的妊娠年龄. 其次性结局包括分娩方式,产前停留和新生儿并发症.
主要成果:
- 胎镜激光切除 (FLA) 在67例单独怀孕中的35例 (52.2%) 进行了II型或III型VP.
- 与SM (中位数为34.4周) 相比,FLA队列的分娩时间明显晚 (中位数为36.0周) (P < 0.001).
- 与SM相比,FLA与更高的阴道分娩率 (62.9%),更短的产前停留时间 (1天 vs 16天) 和减少新生儿输血需要 (0% vs 18.8%) 相关.
结论:
- 第三个三个月的FLA是一种可行的替代方案,可以替代II型或III型的标准管理.
- FLA促进了晚期妊娠年龄的分娩,并增加了阴道分娩的可能性.
- 需要进一步的研究,以充分阐明FLA对孕产妇和新生儿结局的益处.
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