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JAMA子刊:准妈妈们注意——孕期每天多喝半杯咖啡,即可影响胎儿发育!

2021-03-28 MedSci原创 MedSci原创

孕期摄入咖啡因,即使远低于推荐的每天200mg咖啡因的水平,也与胎儿生长减少有关。

怀孕期间能否喝咖啡一直是一个争论不休的话题。截至2010年,美国妇产科医师学会建议孕妇将咖啡因的摄入量限制在每天200mg以下。然而,系统性回顾和荟萃分析报告称,孕产妇摄入咖啡因,即使是低于200mg的剂量,也会增加低出生体重、早产儿(SGA)和胎儿生长受限的风险。

此前,在1项荟萃分析中,39项研究中有4项报告了咖啡因摄入不影响妊娠——这些不一致的关联可能是由于大多数研究依赖于自我报告的咖啡因摄入量。而咖啡的咖啡因含量因制备方法而异,不同受访者的咖啡因饮料的食用量也可能不同。

此外,一些关于咖啡因消费的研究没有控制重要的混杂因素,如吸烟等。个人的咖啡因代谢也存在差异。那么,孕妇咖啡因摄入量是否影响新生儿的情况呢?最近,美国NIH发表在《美国医学会杂志》子刊(JAMA network open)上的研究给出了答案。

该研究为一项纵向队列研究--美国国家儿童健康与人类发育研究所胎儿生长研究,旨在评估母体咖啡因摄入量与新生儿出生指标之间的关联,测试快速或慢速咖啡因代谢基因型对上述关系的影响。

研究人员在2009年至2013年期间,从美国12个临床基地招募了2055名胎儿生长低风险的非吸烟女性,并提供了完整的咖啡因摄入信息。咖啡因摄入量通过咖啡因和副黄嘌呤的血浆浓度和自我报告的咖啡因饮料摄入评估。

同时,使用单核苷酸变异rs762551(CYP1A2*1F)的基因型信息将参与者分为咖啡因代谢快或慢两组。主要结局指标是新生儿人体测量,包括出生体重、身长和头围、腹围、臂围、大腿围、皮肤褶皱和脂肪质量测量。

结果显示,与血浆咖啡因水平的最低的1/4参与者(≤28 ng/mL)相比,最高1/4的(>659 ng/mL)的孕妇所产新生儿出生体重更低(β = -84.3 g)、体长更短(β = -0.44 cm)、头围更小(β = -0.28cm)、手臂围(β = -0.25cm)和大腿围更细(β = -0.29cm)。

进一步分析显示,与报告不喝含咖啡因饮料的妇女相比,每天摄入约50mg(约1/2杯咖啡)的妇女即存在胎儿体重、手臂和大腿围等发育相关指标下降有关。其中按照血液内咖啡因浓度分析,那么浓度最高组还与胎儿出生后头围、身长两项指标下降有关。

在这项队列研究中,观察到新生儿身体指标随着咖啡因摄入的增加而下降。由此可见,孕期摄入咖啡因,即使远低于推荐的每天200mg咖啡因的水平,也与胎儿生长不良有关。

 

参考文献:

Gleason JL, et al. Association Between Maternal Caffeine Consumption and Metabolism and Neonatal Anthropometry: A Secondary Analysis of the NICHD Fetal Growth Studies-Singletons. JAMA Netw Open. 2021 Mar 1;4(3):e213238. doi: 10.1001/jamanetworkopen.2021.3238.

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    2021-03-30 neurowu
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    2021-03-29 病毒猎手

    #怀孕#期每天多喝半杯#咖啡#,问题敢不敢喝?从某种机制上看,似乎确实能促进发育。从中医角度,咖啡是阳性物质,阳性能促进生长,但是阴性是基础呀。因此,仍然不要随便乱喝哦。少量咖啡问题应该不大

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=2069504, encodeId=3dd1206950439, content=<a href='/topic/show?id=71de3120157' target=_blank style='color:#2F92EE;'>#准妈妈#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=93, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31201, encryptionId=71de3120157, topicName=准妈妈)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d8a96, createdName=doctorzheng, createdTime=Wed Apr 21 09:11:36 CST 2021, time=2021-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1705630, encodeId=c9cf1e056305b, content=<a href='/topic/show?id=e6ab8359eb0' target=_blank style='color:#2F92EE;'>#胎儿发育#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=111, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83597, encryptionId=e6ab8359eb0, topicName=胎儿发育)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b3a031008247, createdName=刘阔, createdTime=Fri Apr 02 06:11:36 CST 2021, time=2021-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1347540, encodeId=7c5e134e540af, content=<a href='/topic/show?id=88713e938c1' target=_blank style='color:#2F92EE;'>#发育#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=37938, encryptionId=88713e938c1, topicName=发育)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f4c124, createdName=neurowu, createdTime=Tue Mar 30 13:11:36 CST 2021, time=2021-03-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=951989, encodeId=116795198914, content=<a href='/topic/show?id=f8b15210674' target=_blank style='color:#2F92EE;'>#怀孕#</a>期每天多喝半杯<a href='/topic/show?id=5fae39e738a' target=_blank style='color:#2F92EE;'>#咖啡#</a>,问题敢不敢喝?从某种机制上看,似乎确实能促进发育。从中医角度,咖啡是阳性物质,阳性能促进生长,但是阴性是基础呀。因此,仍然不要随便乱喝哦。少量咖啡问题应该不大, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=52106, encryptionId=f8b15210674, topicName=怀孕), TopicDto(id=39773, encryptionId=5fae39e738a, topicName=咖啡)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211210/ede9c51184aa4f54ae6c1164cfb8eeac/967dbf3eff2943c7bf3ccfec3a776ab0.JPG, createdBy=a33789389, createdName=病毒猎手, createdTime=Mon Mar 29 10:02:05 CST 2021, time=2021-03-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=951966, encodeId=3e88951966c2, content=少喝咖啡, beContent=null, objectType=article, channel=null, level=null, likeNumber=139, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210328/d1c2a77350ef4b7b8dd3973786c5553f/8505b172b90c4ec7898e5052a1252dad.jpg, createdBy=7a085451034, createdName=hssm, createdTime=Mon Mar 29 07:07:26 CST 2021, time=2021-03-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1036547, encodeId=0e7e103654e99, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Mon Mar 29 01:11:36 CST 2021, time=2021-03-29, status=1, ipAttribution=)]
    2021-03-29 hssm

    少喝咖啡

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=2069504, encodeId=3dd1206950439, content=<a href='/topic/show?id=71de3120157' target=_blank style='color:#2F92EE;'>#准妈妈#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=93, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31201, encryptionId=71de3120157, topicName=准妈妈)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d8a96, createdName=doctorzheng, createdTime=Wed Apr 21 09:11:36 CST 2021, time=2021-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1705630, encodeId=c9cf1e056305b, content=<a href='/topic/show?id=e6ab8359eb0' target=_blank style='color:#2F92EE;'>#胎儿发育#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=111, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83597, encryptionId=e6ab8359eb0, topicName=胎儿发育)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b3a031008247, createdName=刘阔, createdTime=Fri Apr 02 06:11:36 CST 2021, time=2021-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1347540, encodeId=7c5e134e540af, content=<a href='/topic/show?id=88713e938c1' target=_blank style='color:#2F92EE;'>#发育#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=37938, encryptionId=88713e938c1, topicName=发育)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f4c124, createdName=neurowu, createdTime=Tue Mar 30 13:11:36 CST 2021, time=2021-03-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=951989, encodeId=116795198914, content=<a href='/topic/show?id=f8b15210674' target=_blank style='color:#2F92EE;'>#怀孕#</a>期每天多喝半杯<a href='/topic/show?id=5fae39e738a' target=_blank style='color:#2F92EE;'>#咖啡#</a>,问题敢不敢喝?从某种机制上看,似乎确实能促进发育。从中医角度,咖啡是阳性物质,阳性能促进生长,但是阴性是基础呀。因此,仍然不要随便乱喝哦。少量咖啡问题应该不大, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=52106, encryptionId=f8b15210674, topicName=怀孕), TopicDto(id=39773, encryptionId=5fae39e738a, topicName=咖啡)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211210/ede9c51184aa4f54ae6c1164cfb8eeac/967dbf3eff2943c7bf3ccfec3a776ab0.JPG, createdBy=a33789389, createdName=病毒猎手, createdTime=Mon Mar 29 10:02:05 CST 2021, time=2021-03-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=951966, encodeId=3e88951966c2, content=少喝咖啡, beContent=null, objectType=article, channel=null, level=null, likeNumber=139, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210328/d1c2a77350ef4b7b8dd3973786c5553f/8505b172b90c4ec7898e5052a1252dad.jpg, createdBy=7a085451034, createdName=hssm, createdTime=Mon Mar 29 07:07:26 CST 2021, time=2021-03-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1036547, encodeId=0e7e103654e99, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Mon Mar 29 01:11:36 CST 2021, time=2021-03-29, status=1, ipAttribution=)]
    2021-03-29 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

拓展阅读

JAMA 子刊:孕期母亲吸烟对儿童脑发育的长期影响

孕期母亲吸烟与儿童大脑广泛区域的灰白质对比度降低及尾状核体积缩小密切相关。

Molecular Psychiatry:孕期甲型流感病毒对母体肠道免疫和胎儿皮层发育的影响:剂量和时间依赖性研究

孕期甲型流感病毒感染对母体肠道免疫和胎儿皮层发育具有显著的剂量和时间依赖性影响,高剂量感染导致胎儿皮层发育异常,与神经发育障碍风险增加相关。

学术看点:徐静:浅谈胎儿贫血的诊治

胎儿贫血是一种相对罕见的疾病,可导致胎动减少、死胎或新生儿贫血等,超声表现胎儿水肿。贫血一般由红细胞生成减少、红细胞破坏加速、红细胞丢失(失血)等情况引起,胎儿贫血也是如此。急性失血导致的贫血常伴胎儿

Eur J Preven Cardio:高血压、肥胖等孕前心血管危险因素不可忽视!胎儿死亡风险可增高至8.7倍

不良妊娠(怀孕)事件,比如早产、先兆子痫(一种妊娠期高血压)、胎儿子宫内生长受限等,与妇女及孩子日后长期心血管疾病风险的增加相关。

Nat Med:人类胎儿颅骨生长轨迹与生长和神经发育有关

该研究包括了一个孕妇队列(n = 3,598),研究人员从2012年至2019年在全球6个地点随访,并研究了超声衍生的胎儿颅骨生长轨迹。

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