NEJM:限制热量联合限时饮食对减肥的效果分析

2022-04-21 MedSci原创 MedSci原创

在肥胖患者中,与每日限制卡路里相比,限时饮食疗法在减少体重、体脂或代谢风险因素方面并未有更多获益。

肥胖是一种重大的全球公共卫生挑战性疾病。通过改变生活方式来减重已被证明是体重管理的基石。对于肥胖患者,每日热量限制是一种公认的减肥策略。然而,大多数饮食减重方法的试验表明12个月后的平均体重下降幅度不大(<5%),而长期保持体重下降仍然是减肥的一个挑战。因此,确定用于减重的替代和可行的饮食干预是一项重要公共卫生事项。但是,限时进食减肥的长期疗效和安全性尚不清楚。

近日,顶级医学期刊NEJM上发表了一篇来自南方医科大学的研究文章,研究人员将139名肥胖患者随机分配到限时饮食组(只在上午8点到下午4点之间进食),并限制卡路里摄入或只限制每日卡路里摄入量。

在12个月的时间里,所有的参与者都被要求遵循限制卡路里的饮食,包括男性每天1500到1800千卡,女性每天1200到1500千卡。该研究的主要结局是两组从基线体重变化的差异;次要结局包括腰围、体重指数(BMI)、体脂量和代谢危险因素的变化。

在139名接受随机分组的参与者中,118人(84.9%)完成了12个月的随访。12个月时,时间限制组的平均体重下降为-8.0kg(95%置信区间[CI]为-9.6至-6.4),每日卡路里限制组的平均体重下降为-6.3kg(95%CI为-7.8至-4.7)。在12个月的评估中,两组的体重变化没有显著差异(净差异为-1.8 kg;95%CI为-4.0至0.4;P=0.11)。腰围、BMI、体脂、体瘦质量、血压和代谢危险因素分析结果与主要结局一致。此外,两组之间在不良事件的数量上没有实质性的差异。

由此可见,在肥胖患者中,与每日限制卡路里相比,限时饮食疗法在减少体重、体脂或代谢风险因素方面并未有更多获益。

原始出处:
 
Hanny Al-Samkari.et al.Mitapivat versus Placebo for Pyruvate Kinase Deficiency.NEJM.2022.https://www.nejm.org/doi/full/10.1056/NEJMoa2116634

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    2022-04-21 小元

    NEJM上果然牛,感谢梅斯更新及时

    0

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    2022-04-21 CHANGE

    什么时候有懒人用的减肥神药?

    0

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