Neurology:性别、更年期与白质高信号的关系: 莱茵兰研究 

2022-08-31 Naomi MedSci原创

绝经后,女性表现出比绝经前女性和男性更高的WMH负担,并且WMH加速增加。未控制的高血压对WMH的性别影响与绝经无关。有必要进一步研究更年期相关的生理变化,这可能有助于了解脑小血管疾病进展原因机制。

越来越多的证据表明,老年人白质高信号(WMH)负担存在性别差异。关于年轻男性和女性之间 WMH 负担的可能差异,性别特异性年龄轨迹和(未)控制的高血压的影响,以及更年期对 WMH 的影响等问题仍然存在。近日,一项发表在Neurology上的研究试图调查这些性别差异和年龄依赖的 WMH 负荷在整个成年生命周期,并检查更年期的影响。

方法: 这个横断面分析是基于莱茵兰研究的参与者(30-95岁),他们接受了脑 MRI 检查,并使用 T1加权、 T2加权和 FLAIR 图像量化 WMH。更年期状态是自我报告的。使用线性回归模型研究了性别和更年期与 WMH 负荷(logit 转化和 z 标准化)的关系,同时调整了年龄、年龄平方和血管危险因素。检查了年龄 * 性别和(未)控制的高血压 * 性别相互作用,并对绝经前妇女(年龄≤59岁) ,绝经后妇女(年龄≥45岁)和绝经前妇女(年龄范围45-59岁)。

结果:

  • 3410名受试者平均年龄54.3岁(SD=13.7),女性1973人(57.9%),其中绝经后1167人(59.1%)。
  • 研究发现,WMH负荷的增加随着年龄的增长而加速,并以性别依赖的方式增加。绝经前女性和年龄相近的男性在WMH负担上没有差异。与同龄男性相比,绝经后女性的WMH负担更高、速度更快。
  • 研究还观察到了与绝经有关的变化,即绝经后妇女的WMH比同龄的绝经前妇女更多。
  • 未控制高血压的女性WMH负担高于男性,这与绝经状态无关。

绝经后,女性表现出比当代绝经前女性和男性更高的WMH负担,并且WMH加速增加。未控制的高血压对WMH的性别影响与绝经无关。有必要进一步研究更年期相关的生理变化,这可能有助于了解脑小血管疾病进展的原因机制。

文献来源:Lohner V, Pehlivan G, Sanroma G, et al. The Relation Between Sex, Menopause, and White Matter Hyperintensities: The Rhineland Study [published online ahead of print, 2022 Jun 29]. Neurology. 2022;10.1212/WNL.0000000000200782. doi:10.1212/WNL.0000000000200782

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    2022-09-22 yinhl1978
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