Neurology:先兆子痫患者的长期脑白质和灰质有何变化?

2017-02-25 xing.T MedSci原创

由此可见,先兆子痫的病史与年轻女性的颞叶白质改变和皮质体积减少有关,这与她们经典的心血管风险曲线不成比例。改变的严重程度与妊娠时间成正比,这与妊娠后持续的损伤累积是一致的。

近日,神经病学领域权威取杂志Neurology上发表了一篇研究文章,研究人员旨在确定先兆子痫之后是否存在脑结构的变化,这可能解释了这些妇女增加的脑血管风险。

研究人员在先兆子痫或正常妊娠后5和15岁之间的妇女中进行了一项病例对照研究。研究人员对参与者进行了脑MRI检查。采用基于体素的液体衰减反转恢复序列的分割对白质结构进行分析,以评估白质病变体积和扩散张力成像来测量微观结构的完整性。研究人员通过对颅骨大小调整进行基于体素分析灰质体积。

该研究纳入了34名以前有先兆子痫的女性(42.8岁±5.1岁)和49名对照者。以前有先兆子痫的女性皮层灰质体积减少(523.2±30.1 vs. 544.4±44.7mL,P<0.05),尽管两组均显示有白质病变,但在以前有先兆子痫的妇女中病变更广泛。她们表现出颞叶白质病变增加(病灶体积:23.2±24.9 vs. 10.9±15μL,P<0.05)和改变微观结构的完整性(径向扩散系数:538±19 vs. 526±18×10-6 mm2/s,P<0.01),该病变也延伸到枕叶和顶叶。在以前有先兆子痫的女性中颞叶白质病变程度是独立于他们当前的心血管风险谱(P<0.05)并且随着妊娠时间而增加(P<0.05)。

由此可见,先兆子痫的病史与年轻女性的颞叶白质改变和皮质体积减少有关,这与她们经典的心血管风险曲线不成比例。改变的严重程度与妊娠时间成正比,这与妊娠后持续的损伤累积是一致的。

原始出处:

Timo Siepmann, et al. Long-term cerebral white and gray matter changes after preeclampsia. Neurology. http://dx.doi.org/10.1212/WNL.0000000000003765

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    2018-01-03 yinhl1978
  3. [GetPortalCommentsPageByObjectIdResponse(id=1765606, encodeId=62c71e65606e8, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Sat Nov 04 18:43:00 CST 2017, time=2017-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1999839, encodeId=560119998398f, content=<a href='/topic/show?id=d5df12695e6' target=_blank style='color:#2F92EE;'>#Neurol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12695, encryptionId=d5df12695e6, topicName=Neurol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8217292, createdName=yinhl1978, createdTime=Wed Jan 03 19:43:00 CST 2018, time=2018-01-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=178322, encodeId=f1131e8322c9, content=文意真好,值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Wed Mar 01 08:25:44 CST 2017, time=2017-03-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=178024, encodeId=dc6e1e802412, content=事出有因,只是我们不知道吧了, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo5gJeAA33pg8XSpMyoXQLg4TTWfCC26g4ibkFFUdQVBtofBwAITTWib8S4f1bKDLaYsKVz2KtVfhLQJoia5mISjlibk/0, createdBy=28331949612, createdName=1e10eabem79(暂无匿称), createdTime=Mon Feb 27 00:30:17 CST 2017, time=2017-02-27, status=1, ipAttribution=)]
    2017-03-01 1e10c84am36(暂无匿称)

    文意真好,值得分享

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1765606, encodeId=62c71e65606e8, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Sat Nov 04 18:43:00 CST 2017, time=2017-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1999839, encodeId=560119998398f, content=<a href='/topic/show?id=d5df12695e6' target=_blank style='color:#2F92EE;'>#Neurol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12695, encryptionId=d5df12695e6, topicName=Neurol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8217292, createdName=yinhl1978, createdTime=Wed Jan 03 19:43:00 CST 2018, time=2018-01-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=178322, encodeId=f1131e8322c9, content=文意真好,值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Wed Mar 01 08:25:44 CST 2017, time=2017-03-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=178024, encodeId=dc6e1e802412, content=事出有因,只是我们不知道吧了, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo5gJeAA33pg8XSpMyoXQLg4TTWfCC26g4ibkFFUdQVBtofBwAITTWib8S4f1bKDLaYsKVz2KtVfhLQJoia5mISjlibk/0, createdBy=28331949612, createdName=1e10eabem79(暂无匿称), createdTime=Mon Feb 27 00:30:17 CST 2017, time=2017-02-27, status=1, ipAttribution=)]
    2017-02-27 1e10eabem79(暂无匿称)

    事出有因,只是我们不知道吧了

    0

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