Neurology:中年到晚年期间血压与痴呆症发病风险分析!

2017-11-09 xing.T MedSci原创

由此可见,在以社区为基础的队列中,中年时血压升高、持续的血压升高直到晚年以及非高血压患者中年到晚年血压急剧下降与老年痴呆症的风险增加相关。该研究的数据突出了中年时较低的血压具有潜在的认知好处,但也表明血压正常或高血压前期的老年人,而不是那些患有高血压的老年人,血压下降可能是痴呆的一个危险标志。

近日,神经病学领域权威杂志Neurology上发表了一篇研究文章,研究人员旨在明确中年时(40-64岁)的血压与晚年(≥65岁)发生痴呆风险之间的关联。

该研究纳入了1440名(758名女性,平均年龄为69±6岁)弗雷明汉研究参与者的后代,这些参与者研究之初无痴呆和连续参加了5次随访,时间间隔为4年,从中年(1983-1987,平均年龄为55岁)直到晚年(1998-2001,平均年龄为69岁),以及随访到发生痴呆(平均时间为8年)。研究人员确定了18年期间中年高血压(≥140/90mmHg)、晚年高血压、较低的晚年血压(<100/70mmHg)、中年到晚年持续性高血压以及中年到晚年血压急剧下降的影响。

在随访期间,107名参与者(71名女性)出现痴呆。使用多变量Cox比例风险模型,研究人员发现中年收缩期高血压(风险比[HR]为1.57,95%可信区间[CI]为1.05-2.35)和持久性收缩期高血压(HR为1.96,95%CI为1.25-3.09)与痴呆风险增加相关。然而,在中年时较低到正常血压(≤140/90mmHg)以及中年到晚年收缩压急剧下降也与痴呆风险增加超过2倍相关(HR为2.40,95%CI为1.39-4.15)。

由此可见,在以社区为基础的队列中,中年时血压升高、持续的血压升高直到晚年以及非高血压患者中年到晚年血压急剧下降与老年痴呆症的风险增加相关。该研究的数据突出了中年时较低的血压具有潜在的认知好处,但也表明血压正常或高血压前期的老年人,而不是那些患有高血压的老年人,血压下降可能是痴呆的一个危险标志。

原始出处:

Emer R. McGrath,et al. Blood pressure from mid‐ to late life and risk of incident dementia. Neurology. 2017. http://dx.doi.org/10.1212/WNL.0000000000004741

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    2017-12-09 Boyinsh
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    2018-02-27 yinhl1978
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    2017-11-10 sunfeifeiyang

    高血压和痴呆

    0

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    2017-11-09 changjiu

    学习一下谢谢

    0

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