基于fALFF及ReHo法观察低氧暴露后飞行员静息态脑功能的变化
基于fALFF及ReHo法观察低氧暴露后飞行员静息态脑功能的变化
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Beijing: People's Military Medical Press
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Chinese
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Beijing: People's Military Medical Press
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目的探讨静息态功能核磁共振成像(rs-fMRI)分数低频振幅(fALFF)和局域一致性(ReHo)方法在低氧暴露后飞行员静息态脑功能评价中的应用价值。方法 30名男性健康飞行员先后接受常压常氧、氧浓度为14.5%的常压低氧暴露,采用f ALFF及ReHo方法对受试者低氧暴露前后rs-f MRI数据进行对比分析,观察低氧暴露之后f ALFF及ReHo值发生变化的脑区。结果低氧暴露后,30名飞行员脉搏、血氧饱和度分别为64.0±10.6次/min、92.4%±3.9%,较暴露前(分别为71.4±10.9次/min、96.3%±1.3%)有所下降(P〈0.05)。静息态下,30名飞行员低氧暴露后f ALFF值降低的脑区包括双侧颞上回、右侧额上回,f ALFF值增高的脑区为左侧楔前叶,Re Ho值降...
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基于fALFF及ReHo法观察低氧暴露后飞行员静息态脑功能的变化
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TN_cdi_proquest_journals_2001631761
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_journals_2001631761
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0577-7402
DOI
10.11855/j.issn.0577-7402.2015.06.18