在复发性体外受精失败 (TROPHY) 中进行透镜检查:多中心随机对照试验
Tarek El-Toukhy1, Rudi Campo2, Yacoub Khalaf1
1Assisted Conception Unit, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK.
Lancet (London, England)
|May 2, 2016
概括
在体外受精 (IVF) 之前的宫内镜检查并没有改善复发性植入失败的妇女的活产率. 这项随机试验在产卵检查和对照组之间没有显著的活产率差异.
科学领域:
- 生殖医学
- 女性生理学
- 临床试验
背景情况:
- 在体外受精 (IVF) 的成功率仍然很低,许多妇女需要多次治疗周期.
- 之前的元分析表明,阴道镜可能会改善复发性植入失败的结果,但缺乏高质量的证据.
- 这项TROPHY试验旨在最终评估宫内镜对复发性试管婴儿失败的妇女生育率的影响.
研究的目的:
- 评估在试管婴儿治疗周期前进行的门诊子膜检查是否能改善复发性植入失败的妇女的活产率.
- 从随机对照试验中提供可靠的证据,以指导临床实践.
主要方法:
- 一个多中心的随机对照试验,涉及702名38岁以下的女性,有2 - 4次试管婴儿失败和正常的子宫超声波.
- 在接下来的试管婴儿周期之前,女性被随机分配 (1:1) 接受门诊歇斯底里镜或不接受歇斯底里镜.
- 主要结论是预期治疗群体中的活产率. 在关键预后变量方面,随机化被最小化.
主要成果:
- 共有350名女性被分配到透镜组和352名女性被分配到对照组.
- 在透镜组 (102/350) 和对照组 (102/352) 中,活产率为29%,风险比为1. 0 (95% CI为0. 79-1. 25; p=0. 96).
- 在试验期间没有报告与胰腺镜相关的不良事件.
结论:
- 在试管婴儿前的门诊子宫镜检查并没有提高先前试管婴儿未成功和子宫超声波正常的妇女的活产率.
- 建议在试管婴儿之前对特定子宫腔异常进行进一步的研究.
- 这些发现不支持对所有复发性植入失败的妇女进行常规透镜检查.
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