JAMA:警惕!无创产前筛查染色体异常可能预示孕妇患癌

2015-07-17 sunshine 译 MedSci原创

基因检测的目的是为了检测胎儿染色体是否异常,然而发表于JAMA的一项最新研究发现产前检查还可检测到其他疾病,如孕妇是否患癌。孕妇怀孕期间一般不易患上癌症,但是1000名孕妇中大约有1名在怀孕期间患上癌症。孕期癌症常发生在乳腺、宫颈、结肠以及卵巢中。研究深入分析了8名来自于2012年-2014年参加无创产前筛查的125426名无症状孕妇。3757名孕妇存在一条或多条染色体数目异常(13,18,21,


基因检测的目的是为了检测胎儿染色体是否异常,然而发表于JAMA的一项最新研究发现产前检查还可检测到其他疾病,如孕妇是否患癌。

孕妇怀孕期间一般不易患上癌症,但是1000名孕妇中大约有1名在怀孕期间患上癌症。孕期癌症常发生在乳腺、宫颈、结肠以及卵巢中。

研究从2012年至2014年参加无创产前筛查的无不适症状的孕妇中选取纳入了125426名孕妇,并对其中的8例患癌孕妇进行了深入研究。发现3757名孕妇存在一条或多条染色体数目异常(13,18,21,X或Y染色体),无创性产前检查后发现10名孕妇患癌。对其中8名孕妇进行更深入的研究之后,研究人员发现,这8名孕妇的无创产前筛查均存在异常,她们中大多数存在一条及以上染色体异常。

这些孕妇在怀孕或生产后诊断患癌,平均时间为初次无创产前筛查后16周。基于本研究结果,研究人员估计若经检测发现孕妇产存在多条染色体异常,则孕妇存在约20-44%患癌的风险。“但是,但是,除非进一步的研究评估了无创性产前筛查及胎儿染色体核型结果的临床意义,否则我们不会清楚怎样的后续临床评价是合适的。”

“关键是,女性应当意识到无创产前筛查时可能会出现这样的结果,”Dr. Bianchi补充道,“需更多的研究以进一步证实该事件的发生率以指导医生应答女性的问题并管理控制好其后续的健康护理。”

此研究结果将变得越来越有分量,因为无创产前筛查的使用越来越广泛, Dr. Maurice J表示。

“考虑到未来几年无创产前筛查的使用将越来越广泛,利益相关者(产科医生、患者、研究人员、论理学家、执政者等)之间应进行积极的交流,以为高危孕妇提供知情建议并指导病人的健康护理。”

原始出处:

Bianchi DW, Chudova D, Sehnert AJ, Bhatt S, Murray K, Prosen TL, Garber JE, Wilkins-Haug L, Vora NL, Warsof S, Goldberg J, Ziainia T,Halks-Miller M.
Noninvasive Prenatal Testing and Incidental Detection of Occult Maternal Malignancies.JAMA.2015 Jul 14;314(2):162-9.doi: 10.1001/jama.2015.7120.

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    2015-07-28 zm0805

    ?

    0

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    2015-07-19 qilu_qi
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    2015-07-19 lq0307

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