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J STUD ALCOHOL DRUGS:适度饮酒能预防心脏病?是真的吗?

2017-05-23 tulip1999 来宝网

当有一些研究首次表明,适度饮酒可能有益于改善健康时,我们当中有许多人都因此而兴奋不已。但一项针对这些研究进行的更为深入的回顾性研究表明,认为酒精对健康有益可能只是一厢情愿的想法。



当有一些研究首次表明,适度饮酒可能有益于改善健康时,我们当中有许多人都因此而兴奋不已。但一项针对这些研究进行的更为深入的回顾性研究表明,认为酒精对健康有益可能只是一厢情愿的想法。

之前已有研究表明,适量的酒精摄入可以预防心脏病。

已有100多项前瞻性研究显示,适度饮酒与心脏病发作、血栓形成、中风和其他心血管不良事件风险呈负相关。适度饮酒的定义是女性每天饮酒不超过一杯,男性每天不超过两杯。

但一项最新研究综述对以上这些研究结果提出异议。现有研究的广泛荟萃分析发表在《酒精与药物研究》杂志上。

虽然这项研究证实,总体而言,那些在研究过程中适度饮酒的人发生心脏病死亡率的风险较低,但当用Meta分析观察年轻人的饮酒习惯时,结果就发生了改变。

年龄在55岁或以下临床随访到老的受试者的相关研究显示与饮酒无关。此外,在研究初始时评估参与者心脏健康状况的研究表明,酒精没有任何健康益处。

研究人员指出,可能是一个主要错觉误导了这些研究结果:事实上,研究中那些年龄较大的“非饮酒者”是之前因为健康状况不佳而戒酒的人。

换句话说,与其说是因为戒酒导致健康状况较差,还不如说是因为他们身体健康状况已经不好了所以才不得不戒酒的。

研究表明,与此相反,晚餐时喜欢来一杯葡萄酒的“健康”老年人也是不健康的。因为他们喝酒,是因为他们健康状况良好,更喜欢在晚餐时享用一杯葡萄酒,没有什么不可以啊。

其中一名研究人员,加拿大不列颠哥伦比亚维多利亚大学酒精成瘾研究中心主任Tim Stockwell博士进一步解释道:

“我们知道,人们通常会随着年龄增长而减少饮酒,尤其是当他们出现健康问题时。在中年以后还在继续适度饮酒的人往往更健康。他们没有生病或服用与酒精相互作用的药物。”

原始出处:

Jinhui Zhao, Tim Stockwell, Audra Roemer, et al. Alcohol Consumption and Mortality From Coronary Heart Disease: An Updated Meta-Analysis of Cohort Studies. Journal of Studies on Alcohol and Drugs, 78(3), 375–386 (2017).

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    2018-02-09 tsing_hit
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    2017-05-24 爆笑小医
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    2017-05-25 lou.minghong

    学习

    0

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    2017-05-23 dhzzm

    有待更多的临床循证支持

    0

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适度饮酒到底能否有益健康?关于这方面的研究众说纷纭。近日,一项发表于BMJ上的大型研究表示,中度饮酒与几种类型(但并非全部)的心血管疾病的风险降低相关。与禁酒或酗酒相比,一些研究认为适度饮酒有益健康,并与心血管疾病风险降低有关。在英国,中度饮酒被定义为每周摄入不超过14个单位(112克)的酒精。然而,科学家们对这一观察争议不断,一些专家指出了这个证据的几个缺点。例如,应将非饮酒者与因健康状况停止饮

Eur Heart J:饮酒、窦性心动过速和心律失常之间有啥关系?

由此可见,急性饮酒与心律失常和窦性心动过速有关,这部分反映了通过显著减少的呼吸性窦性心律不齐来评估的自主神经不平衡。这种失衡会导致交感触发心房颤动,类似于假日心脏综合征。

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