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JCEM:高血糖和服用二甲双胍与老年人B族维生素缺乏和认知功能障碍有关

2019-04-01 xing.T 网络

由此可见,二甲双胍在老年人中的使用与较差的认知表现有关;可能涉及B族维生素缺乏症。强化食品可以优化B族维生素的状态,可能有助于维持糖尿病患者或糖尿病风险的老年人更好的认知健康。

新出现的证据表明叶酸相关的B族维生素缺乏可能与二甲双胍治疗有关,并且与认知功能障碍(糖尿病合并症)独立相关。近日,内分泌和代谢性疾病领域权威杂志Journal of Clinical Endocrinology & Metabolism上发表了一篇研究文章,该研究旨在确定高血糖和二甲双胍使用对老年人B族维生素生物标志物和认知结局的影响。

研究人员于2008-2012年期间在TUDA队列研究中招募了没有痴呆的社区老年人(74.1±8.3岁,n=4160),这些参与者根据糖化血红蛋白(HbA1c)≥5.7(39mmol/mol)被归类为血糖正常(n=1856)或高血糖。同时分为二甲双胍服用者(n=318)或不服用者(n=1986)。该研究的主要观察指标为叶酸、维生素B12、维生素B6和核黄素的生物标志物。认知评估包括用于评估神经心理状态的可重复系列(RBANS)和正面评估系列(FAB)。

使用二甲双胍与维生素B12(B12指数≤1;比值比(95%CI):1.45(1.03-2.02))和维生素B6(血浆吡哆醛5-磷酸<30.0 nmol/L; 1.48(1.02-2.15))缺乏的风险相关。经常食用强化食品对所有B族维生素生物标志物都有积极影响,即使是高血糖症也是如此。在调整相关的协变量后,二甲双胍的使用与使用RBANS(1.36(1.03-1.80)和FAB(1.34(1.03-1.74))评估的认知功能障碍风险增加有关。

由此可见,二甲双胍在老年人中的使用与较差的认知表现有关;可能涉及B族维生素缺乏症。强化食品可以优化B族维生素的状态,可能有助于维持糖尿病患者或糖尿病风险的老年人更好的认知健康。

原始出处:


Kirsty M Porter.et al.Hyperglycemia and metformin use are associated with B-vitamin deficiency and cognitive dysfunction in older adults.J Clin Endocrinol Metab. 2019.https://doi.org/10.1210/jc.2018-01791

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    2019-08-18 achengzhao
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    2019-04-03 hbwxf
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    2019-04-01 misszhang

    二甲双胍,神药!

    0

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