在12或24小时的间隔内服用贝他美沙:系统性审查和元分析
Mohammed R Said1, Fabrizio Zullo2, Moti Gulersen3
1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, MedStar Washington Hospital Center Washington DC USA; National Human Genome Research Institute, National Institutes of Health Bethesda MD USA.
对于早产风险,每12小时给予贝他他,显示出有前途的结果. 这种剂量间隔减少了NICU入院和表面活性剂的使用,尽管呼吸困扰综合征的发病率没有显著差异.
科学领域:
- 产科和妇科 产科和妇科
- 新生儿科学 新生儿科学
- 药理学 药理学是指药理学的学科.
背景情况:
- 像贝他他这样的产前皮质类固醇对于胎儿肺部成熟至关重要.
- 贝塔梅他的最佳剂量间隔对于最大限度地提高效益并最大限度地降低潜在风险至关重要.
研究的目的:
- 为了比较24毫克贝他他在12小时间隔和24小时间隔的两个剂量中对患有早产风险的患者的有效性.
主要方法:
- 在多个数据库 (Ovid,Embase,Cochrane等) 进行系统的文献搜索. 在2023年2月之前.
- 包括随机对照试验,涉及怀孕妇女 (怀孕23至34周),接受24毫克贝他他两剂,隔12或24小时.
- 主要结局:呼吸困扰综合征 (RDS);次要结局:母体和新生儿不良事件. 使用相对风险和95%置信区间进行分析.
主要成果:
- 分析了两个RCT (429名患者). 12小时间隔组显示了较低RDS率 (34.3%与45.7%) 的非显著趋势.
- 随着12小时的间隔,新生儿重症监护室 (NICU) 的入院和表面活性剂的使用显著减少.
- 在12小时小组中发现出生体重增加. 没有发现围产死亡率或主要新生儿/母亲发病率的显著差异.
结论:
- 12小时贝塔米他剂量方案显示了潜在的益处,包括减少NICU入院和表面活性剂的使用.
- 需要进一步的研究来证实12小时间隔对其他关键新生儿和母亲结局的优势.
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