Categories: 健康心血管病

Salt, Mortality and Cardiovascular Diseases盐,死亡率和心血管病

A study estimated that 1.65 million deaths from cardiovascular causes that occurred in 2010 were attributed to sodium consumption above a reference level of 2.0 g per day. The study collected data from surveys on sodium intake as determined by urinary excretion and diet in persons from 66 countries. In 2010, the estimated mean level of global sodium consumption was 3.95 g per day. Another study in which sodium intake was estimated on the basis of measured urinary excretion from 101,945 persons in 17 countries, an estimated sodium intake between 3 g per day and 6 g per day was associated with a lower risk of death and cardiovascular events than was either a higher or lower estimated level of intake. As compared with estimated potassium excretion that was less than 1.50 g per day, higher potassium excretion was associated with a lower risk of death and cardiovascular events. The third study of 102,216 adults from 18 countries found that the association of estimated intake of sodium and potassium, as determined from measurements made from a single fasting morning urine specimen, with blood pressure was nonlinear and was most pronounced in persons consuming high-sodium diets, persons with hypertension, and older persons. Source: http://www.nejm.org/一项研究估计,2010年165万例死于心血管病者是由于钠消费量超过每天2.0克的参考水平。该研究收集的钠摄入量的资料来自对66个国家的人尿排泄量和膳食的调查。2010年全球钠消费量的平均水平估计是每天3.95克。另一项研究中,钠摄入量是在测量17个国家的101945人尿排泄量的基础上估计的。与较高或较低水平的估计钠摄入量相比,估计的钠摄入量在每天3克和6g之间则​​死亡和心血管事件的风险较低。与估计钾排泄量少于每天1.50克相比,钾排泄量较高则死亡和心血管事件的风险更低。对102216名来自18个国家成年人的第三项研究发现,以单一的空腹晨尿标本测量所估算的钠和钾的摄入量与血压的关系是非线性的,以高钠饮食者,高血压者和老年人最为显着。来源:http://www.nejm.org/

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