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Hum Reprod:合理膳食助力女性接受辅助生殖治疗的结局

2018-01-29 林巧楠 环球医学网

2018年1月,发表在《Hum Reprod.》的一项由美国科学家进行的研究,考察了血清ω-3脂肪酸对辅助生殖治疗结局的影响。

2018年1月,发表在《Hum Reprod.》的一项由美国科学家进行的研究,考察了血清ω-3脂肪酸对辅助生殖治疗结局的影响。

研究问题:血清多不饱和脂肪酸(PUFA)浓度,包括ω-3(ω3-PUFA)和ω-6(ω6-PUFA),与辅助生殖技术(ART)结局相关吗?

总结回答:长链ω3-PUFA血清水平与行ART的女性的活产率正向相关。

已知:在动物和人类研究中,ω3-PUFA摄入可改善卵母细胞和胚胎质量。然而,近期的队列研究发现,循环ω3-PUFA水平与ART后妊娠率不相关。

研究设计、样本量和持续时间:这项分析纳入来自美国马萨诸塞州总医院生育中心,在1年血液采集期内行136个疗程ART的100例女性随机样本。

受试者、材料、地点和方法:在一个刺激周期的第3天至第9天采集样本,使用气相色谱分析测量血清脂肪酸(表示为总脂肪酸百分比)。主要结局包括移植率、临床妊娠和每周期的活产率。使用聚类加权广义估计方程(GEE)模型,校正年龄、体质指数、吸烟状态、体育活动、多种维生素的使用和活产史,分析总PUFAs和特定PUFAs与ART结局的相关性。

主要测量结果和偶然机会的作用:中位[25,75百分位]血清ω3-PUFA水平为总脂肪酸的4.7%[3.8%,5.8%]。血清长链ω3-PUFA水平较高与较高的临床妊娠率和活产率相关。尤其是,校正多变量之后,血清长链ω3-PUFA水平每增加1%,临床妊娠率和活产率分别增加8%(4%,11%)和8%(95% 置信区间[CI]:1%,16%)。在这些女性中,长链ω3-PUFA的摄入也与较高的活产率相关,1%长链ω3-PUFA能量替代为1%饱和脂肪酸能量时,相对风险[RR]为2.37(95% CI:1.02,5.51)。血清ω6-PUFA、ω6与ω3-PUFA的比率,以及总PUFA与ART结局不相关。

警告及局限性理由:结论仅可用于辅助生殖治疗的人群。使用血清脂肪酸单一测量指标,描述暴露的特征或导致随访中可能出现分类偏差。

结果的更多启示:血清ω3-PUFA被视为饮食摄入的生物标记物。长链ω3-PUFA水平较高与ART结局改善的相关性显示,这些脂肪摄入的增加或对行ART相关不育治疗的女性产生获益。

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    2018-01-31 zhaojie88
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    2018-01-31 sunylz
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    2018-01-31 15121100f4m

    就是脂肪酸摄入够多.妊娠结局要好!

    0

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    2018-01-29 1ddf0692m34(暂无匿称)

    学习了.涨知识

    0

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