Diabetologia:标准饮食条件下睡眠不足对血糖控制失调的影响

2021-12-03 从医路漫漫 MedSci原创

饮食、身体活动和睡眠被认为是健康生活方式中可以改变的核心部分。睡眠障碍常与其他疾病有关。

饮食、身体活动和睡眠被认为是健康生活方式中可以改变的核心部分。睡眠障碍常与其他疾病有关。睡眠对许多危及生命的疾病有直接的因果影响,如心血管疾病、肥胖和2型糖尿病。其紊乱(如阻塞性睡眠呼吸暂停)与2型糖尿病患病率和并发症相关,并能破坏血糖稳态。其他数据指出了睡眠质量/持续时间和葡萄糖稳态之间存在紧密联系。然而,尽管有许多大型前瞻性队列研究专注于自我报告的睡眠、疾病和健康之间的关系,关于睡眠和餐后糖代谢的客观数据通常来自于在严格控制的环境和特定人群亚组中进行的小型研究,如那些因怀孕、睡眠呼吸暂停、抑郁、肥胖或糖尿病而遭受睡眠障碍的人。因此,关于睡眠对一般健康人群葡萄糖代谢影响的潜在建议的证据基础有相当大的研究空间。

目的:睡眠、饮食和锻炼是新陈代谢保持稳态的基础。在对重复测量的营养干预研究进行的两次分析中,我们测试了一个人的睡眠质量、睡眠持续时间是否会影响第二天早上吃早餐时的血糖反应。

方法:从PREDICT饮食干预试验中分析了健康成人的数据(N= 953[41%的双胞胎])。研究人员根据每个参与者的进餐时间、睡眠时间以及一系列生物学特征,确定了他们对不同食物的代谢反应,这些食物含有不同的常量营养素和能量含量。这项研究是在2018年6月至2019年5月之间进行的,包括英国1002名年龄在18-65岁之间的总体健康的参与者,以及美国的100名总体健康的参与者,数据进行了合并,因为这两个地点的影响没有差异。一些英国参与者是从TwinsUK研究队列招募的,其中包括同卵双胞胎(共享绝大多数DNA序列)和异卵双胞胎(共享大约一半的DNA序列)。“健康”的定义是没有被诊断出的疾病,不属于排除标准。排除标准如下:持续的炎症性疾病;最近3年的癌症(不包括皮肤癌);长期的胃肠道疾病;服用免疫抑制剂;使用质子泵抑制剂;糖尿病;抑郁症;进食障碍;以及怀孕。PREDICT1研究方案的完整描述,包括样本量计算的原理。本报告描述了对PREDICT1试验的二次分析。参与者在诊所和家里吃了超过2周的等能量标准膳食。活动记录仪用于评估睡眠变量(持续时间、效率、时间),连续血糖监视器用于测量血糖变化(>8000餐)。

结果:睡眠质量与餐后血糖控制(2h递增AUC)显著相关,在人与人之间和每个个体水平都是如此。睡眠时间与进餐类型存在交互作用,当高碳水化合物(低脂肪/蛋白质)时,睡眠不良对餐后血糖水平的影响较小(P交互作用=0.0 2)和高脂早餐(P交互作用=0.0 3),与75g口服葡萄糖耐量试验的参考值进行比较。人内睡眠时间也有类似的交互作用(高碳水化合物饮食:P交互作用=0.001,高脂饮食:P交互作用=0.0 2)。人内和人与人之间的睡眠效率与较低的餐后血糖水平显著相关,与进餐类型无关(均P<0.03)。在人与人之间和人与人之间的比较中,发现较晚的睡眠中点(与午夜的时间偏差)与较高的餐后血糖显著相关(分别为p=0.035和p=0.051)

图1 (A)按餐饮类型划分的葡萄糖2h iAUC分布。方框图显示中位数和IQR;胡须代表IQR,异常值(>1.5×IQR)显示。(B)按试餐类型划分的营养成分。IAUC的数据也发表在

图2 膳食类型和SPT交互作用对血糖2h iAUC的影响。该图使用交互作用项与标准误差的边际效应来拟合模型。MCM,新陈代谢挑战餐

表 人之间睡眠中点和餐后血糖浓度

结论:睡眠效率低和较晚的就寝习惯与次日早晨早餐后更高的餐后血糖反应有关。一个人偏离正常睡眠模式也与较差的餐后血糖控制有关。这些发现强调睡眠是调节人类新陈代谢健康的一种可改变的、非药理学的治疗靶点。

原文出处:

Tsereteli N,  Vallat R,  Fernandez-Tajes J,et al.Impact of insufficient sleep on dysregulated blood glucose control under standardised meal conditions.Diabetologia 2021 Nov 30

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    2022-01-07 未来将来

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    2021-12-07 419040982

    0

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