JAMA:体外受精后卵巢刺激不会增加乳腺癌风险

2016-07-20 崔倩 译 MedSci原创

由于有限的跟进,以前的研究对于体外受精(IVF)治疗后乳腺癌发病风险尚无定论。原始出处:Alexandra W. van den Belt-Dusebout,Mandy Spaan,Cornelis B. Lambalk,et al.Ovarian Stimulation for In Vitro Fertilization and Long-term Risk of Breast Cancer,

由于有限的随访,过往的研究没有确定女性经体外受精(IVF)治疗后乳腺癌发病风险。

该研究的目的是评估IVF后卵巢刺激对乳腺癌的长期风险。

在历史性队列(OMEGA研究),96%的参与者完成了直到2013年12月的随访。该队列包括19158名在1983年和1995年开始IVF的女性(IVF组),5950名在1980年至1995年开始其他生育治疗的女性(非IVF组),这些参与者来自于荷兰12个IVF诊所。在随访结束时,IVF组平均年龄为53.8岁,非IVF组为55.3岁。

关于IVF的卵巢刺激、其他生育治疗和潜在的混杂信息是从医疗记录,以及邮寄问卷收集到的。

接受生育治疗女性的浸润性和原位乳腺癌事件是通过链接到荷兰癌症登记处(1989至2013年)获得的。IVF组的乳腺癌的风险与其在普通人群(标准化发病率[SIRs])和非IVF组(危险比[HR])进行了比较。

在25108名女性中(在基线平均年龄32.8岁;平均IVF周期数,3.6),平均随访21.1年后共发生839例浸润性乳腺癌和109例原位乳腺癌。在IVF治疗组的女性患乳腺癌的风险与普通人群(SIR,1.01[95%CI,0.93-1.09])和非IVF组(HR,1.01[95%CI,0.86-1.19])相比差异不显著。IVF组的女性在55岁时乳腺癌的累积发生率为3.0%,对于非IVF组为2.9%(P=0.85)。SIR并没有因为IVF组(0.92[95%CI,0.73-1.15])或非IVF组(1.03[95%CI,0.82-1.29])的治疗时间较长(≥20年)而增加。那些接受7个或更多的IVF周期的女性(HR,0.55[95%CI,0.39-0.77]) vs 1至2个IVF周期和第一IVF周期后反应较差(HR,0.77[95%CI,0.61-0.96],对于<4 VS≥4收集的卵母细胞)的女性,风险显著降低。

在1980年到1995年间在荷兰接受生育治疗的女性中,IVF治疗与非IVF治疗相比,在平均随访21年过程中并没有增加患乳腺癌的风险。IVF治疗的女性与一般人群相比,乳腺癌风险并没有差异。在IVF治疗的女性中,患乳腺癌的长期风险没有显著增加。

原始出处:

Alexandra W. van den Belt-Dusebout,Mandy Spaan,Cornelis B. Lambalk,et al.Ovarian Stimulation for In Vitro Fertilization and Long-term Risk of Breast Cancer,JAMA,2016.7.20

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    2016-12-25 sjq027
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    2016-09-10 1e10c84am36(暂无匿称)

    好文章,百姓也能从中学到好多医学知识

    0

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