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阴道与口服美索普罗斯托尔诱导在期:一个集群随机对照试验
Emily H Adhikari1, Jennifer McGuire, Julie Lo
1Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, and Parkland Health, Dallas, Texas.
Obstetrics and gynecology
|November 21, 2023
概括
这项研究比较了阴道和口服mizoprostol用于预产期的分娩诱导,该研究发现阴道分娩率没有差异. 然而,阴道弥索普罗斯托尔减少了在分娩诱导期间使用催产素的需要.
科学领域:
- 产科和妇科 产科和妇科
- 生殖医学 生殖医学
- 临床试验 临床试验
背景情况:
- 引产是一种常见的产科手术.
- 弥索普罗斯托尔是用于引发分娩的广泛使用的药物.
- 对于优化治疗结果,标准化的mizoprostol 管理方案至关重要.
研究的目的:
- 为了比较标准化阴道与口服mizoprostol治疗方案的有效性,用于在期内诱导分娩.
- 评估在第一次诱导尝试时实现阴道分娩的主要结果.
- 评估二次结果,包括分娩的时间和需要催产素增强的需要.
主要方法:
- 一个单一中心,集群随机试验,涉及2546名女性,她们在产期接受了分娩诱导.
- 参与者接受了口服 (100毫克每4小时) 或阴道 (25毫克每3小时) 的mizoprostol,其次是标准化的催产素协议.
- 排除标准包括产前死胎,胎儿异常和不令人放心的胎儿状态.
主要成果:
- 主要结局,第一个诱导尝试时的阴道分娩,在阴道 (78.1%) 和口服 (77.2%) mizoprostol组之间没有显著差异 (aRR 1.01,95% CI 0.97-1.05).
- 胎儿心率变化带来的动脉缩在阴道mizoprostol (3.5%对5.9%,aRR0.59,95%CI 0.40-0.87) 的治疗中较少发生.
- 在阴道mizoprostol组中,需要增加氧化的频率较少 (68.8%vs78.4%,aRR 0.88,95%CI 0.84-0.92).
结论:
- 与口服方案相比,标准化的阴道美索普罗斯托尔治疗方案在预产期引产时不会增加阴道分娩的速度.
- 通过阴道给予misoprostol以诱导产分期,与减少对催产素增强的需求有关.
- 进一步的研究可能会探索不同患者群体的最佳剂量和时间.
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