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产后西尔德纳菲尔改善围产期结果:一项随机临床试验
Sailesh Kumar1,2,3, William Tarnow-Mordi4, Ben W Mol5
1Mater Mothers' Hospital and Mater Research Institute-University of Queensland, Brisbane, QLD, Australia.
Obstetrical & gynecological survey
|January 20, 2026
概括
在一项大型试验中,口服西尔德纳菲尔酸盐并没有改善围产期的结果,也没有减少胎儿痛苦的手术分娩. 该药物在预防分娩期间产妇内缺氧相关并发症方面没有显著的益处.
科学领域:
- 产科和妇科 产科和妇科
- 新生儿医学 新生儿医学
- 药理学 药理学是指药理学的学科.
背景情况:
- 产后胎儿缺氧是由于分娩期间胎盘输液减少而引起的,有死产和新生儿脑病变的风险.
- 目前的监测方法没有改善结果,需要新的策略来预防缺氧损伤.
- 固酶5型抑制剂,如西尔德纳菲尔酸盐,可能会增强子宫胎盘输液.
研究的目的:
- 评估在分娩期间口服的西尔代纳菲尔酸盐是否能改善患有产内缺氧风险的婴儿的围产期结局.
- 评估西尔德纳菲尔酸盐在减少由于胎儿困扰而导致的周产期不良事件和手术分娩的发生率方面的疗效.
主要方法:
- 该iSEARCH试验是一项安慰剂控制,双盲随机临床试验,涉及澳大利亚14家医院的3257名女性.
- 参与者在分娩期间每8小时接受50毫克西尔德纳菲尔酸盐或安慰剂,最多3剂.
- 主要结局是10个产后或新生儿并发症的组合;次要结局包括个别组件和紧急手术分娩.
主要成果:
- 主要综合结局发生在西尔代纳菲尔组的5.1%与安慰剂组的5.2%之间 (RR,1.02;95% CI,0.75-1.37).
- 在个别的次要结果中没有发现显著差异,包括紧急剖腹产或用于胎儿痛苦的仪器性阴道分娩 (RR,1.12;95% CI,0.98-1.29)).
- 在这两组中都没有报告婴儿死亡.
结论:
- 在分娩期间服用口服西尔代纳菲尔酸盐并没有显示出在减少不良围产期结果或为胎儿痛苦而需要紧急手术分娩方面有显著的益处.
- 这些发现表明,在这个研究群体中,西尔德纳菲尔酸盐在预防产妇内缺氧相关并发症方面并不有效.
- 可能需要进一步的研究来探索替代干预措施,以改善分娩期间的胎儿福祉.
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