Neurology:脑血管反应性是偏头痛患者深部白质高信号的决定因素

2019-01-07 xing.T MedSci原创

由此可见,在这项研究中,研究人员发现健康人和非偏头痛老年患者中对呼吸暂停的CVR减少与深部WMH数量增加之间存在偏头痛特异性相关性。对呼吸暂停的功能失调性血管反应可能使偏头痛患者的WMH风险增加。

近日,神经病学领域权威取杂志Neurology上发表了一篇研究文章,研究人员旨在评估脑血管对二氧化碳的反应性(CO2-CVR)与偏头痛患者的深部白质高信号(WMH)负担之间的关系。

研究人员对86例无血管危险因素的非发作性偏头痛患者和35例无头痛对照者进行了3T MRI检查。同时使用针对非老年偏头痛患者开发的分割方法对深度WMH进行量化以及使用经颅多普勒和屏气方法测量发作间期的CO2-CVR。双侧大脑中动脉(MCA-BHI)的平均屏气指数进行平方根转换,并用单变量和多变量Logistic回归模型进行分析以确定其与深部WMH负担(数量和体积)的最高三分位数之间的关联。

低MCA-BHI与偏头痛患者中最高的WMH数量三分位数独立相关(校正比值比[OR] 为0.02,95%置信区间[CI]为0.0007-0.63,p=0.026)。在对照组中,MCA-BHI与深度WMH数量无关。相互作用分析显示,偏头痛改变了MCA-BHI对深部WMH数量的影响(相互作用的p=0.029)。MCA-BHI与患者和对照者的深度WMH体积增加无关。年龄与患者的深度WMH体积独立相关(校正OR为1.07,95%CI为1.004-1.15,p=0.037)。

由此可见,在这项研究中,研究人员发现健康人和非偏头痛老年患者中对呼吸暂停的CVR减少与深部WMH数量增加之间存在偏头痛特异性相关性。对呼吸暂停的功能失调性血管反应可能使偏头痛患者的WMH风险增加。

原始出处:

Mi Ji Lee,et al.Cerebrovascular reactivity as a determinant of deep white matter hyperintensities in migraine.Neurology. 2019.https://doi.org/10.1212/WNL.0000000000006822

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    2019-06-22 yinhl1978
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    2019-01-07 一个字-牛

    学习了谢谢分享

    0

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