Neurology:太空环境对脑结构的影响

2017-10-29 zhangfan MedSci原创

研究认为,长期微重力条件下导致宇航员脑室周白质信号增高,与脑脊液量增加有关,但微重力不会引起宇航员脑深层白质和脑组织发生变化

近日研究人员考察了失重导致的脑脊液和血管流体变化对宇航员脑白质的影响。

研究人员考察了17名宇航员飞天前后的脑MRI资料,其中10人在国际空间站中执行长期任务,7人在航天飞机中执行短期任务。采用自动分析预检脑室周围和深层脑白质、脑脊液以及脑组织体积变化。

研究发现,长期任务组宇航员飞天后导致脑室周围白质和室内脑脊液量改变,深层白质以及脑组织体积组间差异不显著。室周白质信号的增高与脑室脑脊液增加显著相关(ρ=0.63,p=0.008)。1个月后这种变化部分消失。

研究认为,长期微重力条件下导致宇航员脑室周白质信号增高,与脑脊液量增加有关,但微重力不会引起宇航员脑深层白质和脑组织发生变化。

原始出处:


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    2018-02-27 yinhl1978
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    2017-10-30 wmr116
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    2017-10-29 swfzhanggui

    非常好.开发外太空.

    0

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    2017-10-29 1e0f8808m18(暂无匿称)

    学习学习

    0

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    2017-10-29 lyh994

    带来的影响和后果是什么呢

    0

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    2017-10-29 明月清辉

    谢谢分享.学习了

    0

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