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OmniHeart研究:六周健康饮食即可减轻心肌损伤

2019-09-02 XUJING 中国循环杂志

国际心脏病学杂志发表一项研究提示,只要是健康食物,不管是以不饱和脂肪、蛋白质,还是以碳水化合物为主,都能直接减轻心血管疾病风险人群的亚临床心脏损伤和炎症。研究是一项纳入150人的随机交叉研究,分析了以不饱和脂肪为主、以蛋白质为主和已碳水化合物为主的三种饮食对高敏肌钙蛋白和C反应蛋白的影响。研究发现,这三种饮食都能减轻心脏损伤和炎症,并在6周内迅速起效。改变饮食中脂肪、蛋白质、碳水化合物的含量并没有

国际心脏病学杂志发表一项研究提示,只要是健康食物,不管是以不饱和脂肪、蛋白质,还是以碳水化合物为主,都能直接减轻心血管疾病风险人群的亚临床心脏损伤和炎症。

研究是一项纳入150人的随机交叉研究,分析了以不饱和脂肪为主、以蛋白质为主和已碳水化合物为主的三种饮食对高敏肌钙蛋白和C反应蛋白的影响。

研究发现,这三种饮食都能减轻心脏损伤和炎症,并在6周内迅速起效。改变饮食中脂肪、蛋白质、碳水化合物的含量并没有提供额外的好处。

作者称,饮食可逆转心肌损伤发生在六周内,意味着健康饮食的作用。

其次,健康食品在心脏保护方面,比吃什么更重要。

作者说,“我们数据的信息很清楚:吃富含水果和蔬菜、瘦肉和富含纤维的均衡饮食,限制红肉,含糖饮料和糖果,不仅会改善心血管危险因素,也减少不健康饮食对心脏的直接伤害。”

富含碳水化合物的饮食类似于众所周知的DASH饮食,糖、谷物和淀粉占其热量的一半以上。

富含蛋白质的饮食中,来源于碳水化合物的10%的热量由蛋白质代替。

一种富含不饱和脂肪的饮食,来源于碳水化合物的10%的热量由来源于鳄梨、鱼和坚果中的健康脂肪所代替。

这三种饮食中不健康饱和脂肪、胆固醇和钠含量都很低。同时,其他营养素水平都达到指南建议的水平。

研究者在每一个饮食周期结束时测量高敏肌钙蛋白I和高敏C反应蛋白与基线比较,以及饮食之间进行比较。

基线时,高敏肌钙蛋白I为3.3 ng/L,三种饮食分别使高敏肌钙蛋白I降低8.6%、10.8%和9.4%。

因此,研究者强调,脂肪、蛋白质、碳水化合物的含量高或者低不是损伤心脏的重要因素,而是饮食的总体健康状况。

来源:Lara C. Kovell et al. Healthy diet reduces markers of cardiac injury and inflammation regardless of macronutrients: Results from the Omni Heart tria. Int J Cardiol. 2019 Aug 2. pii: S0167-5273(19)30030-0.

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    2019-09-04 zhaojie88
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    2019-09-04 宋威
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    2019-09-04 slcumt

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