JAHA:正常的心血管功能可延缓老年人认知功能的减退

2016-03-17 QQduhp 译 MedSci原创

迈阿密大学米勒医学院Hannah Gardener博士及同事发现,相比心血管功能不佳的老人而言,心血管功能健康的老人出现认知能力下降的时间要延迟6年。研究结果发表在the American Heart Association。 随着年龄的增长,大脑的某些区域萎缩,导致民众认知能力不同程度出现减退,包括学习、记忆、组织和心理活动等。尽管我们无法阻止人类的衰老过程,但既往研究表明,健康的生活习惯如定期

迈阿密大学米勒医学院Hannah Gardener博士及同事发现,相比心血管功能不佳的老人而言,心血管功能健康的老人出现认知能力下降的时间要延迟6年。研究结果发表在Journal of the American Heart Association。 

随着年龄的增长,大脑的某些区域萎缩,导致民众认知能力不同程度出现减退,包括学习、记忆、组织和心理活动等。尽管我们无法阻止人类的衰老过程,但既往研究表明,健康的生活习惯如定期身体锻炼等有助于延缓认知功能减退。Gardener和同事通过研究发现,维护心血管功能健康也有助减缓民众认知功能减退。 

AHA公布的7项简单易行的心血管护理指南包括规律的身体锻炼、健康饮食、控制体重、避免吸烟和控制血糖、胆固醇和血压等。

研究人员对1033名平均年龄72岁且为曼哈顿北部地区研究参与者的老人进行了探究,其中16%是白人,19%是黑人,65%为拉美裔。
 
研究人员在研究开始时评估参与者7项护理指南的执行情况,并对他们的记忆、大脑思考和处理速度等进行了评估。研究人员在6年的随访时长内对722名参与者重复进行认知功能测试。

研究人员发现,研究初始时,心血管功能健康的老人大脑处理速度也较快,非吸烟者且血压和血糖正常的老人尤其如此。在随访中,研究人员发现,相比心血管功能不佳的老人而言,心血管功能健康的老人大脑处理速度和执行能力减退速度更慢。Gardener博士指出,执行AHA公布的7项心血管健康指南不仅可降低老人心脏病发作和卒中的风险,也降低其认知功能的减退速度。但他们表示仍需进行更进一步的研究,如高血压和高血糖等危险因素在老人认知功能减退进程中发挥的作用。

原始出处:

A healthy heart could protect against cognitive decline,MNT,16,Mar,2016

Hannah Gardener et al.Ideal cardiovascular health and cognitive aging in the Northern Manhattan Study, Journal of the American Heart Association, 16 Mar,2016

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    2016-03-25 xingyong

    机体都是相互联系的

    0

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    2016-03-23 dhzzm

    学习了,很好,值得

    0

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    2016-03-22 1de304d2m86(暂无匿称)

    值得学习

    0

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    2016-03-19 zhaohui6731
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