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【medical-news】心脏病研究发现肥胖患者比瘦者活
Heavy men with heart disease tend to live longer than slimmer patients
NEW YORK - Among men with symptoms of heart disease, those who are obese tend to live longer than their normal-weight counterparts, a new study suggests.
Researchers found that among nearly 6,900 male veterans assessed for symptoms of heart disease, those who were obese were less likely to die over the next seven-and-a-half years compared with normal-weight men.
Past research has linked obesity to longer survival among people with heart failure, a chronic condition in which the heart muscle is too weak to pump enough blood to meet the body’s needs. Some studies also suggest that obese patients fare better following heart bypass surgery.
Now the new findings, published in The American Journal of Medicine, suggest that this so-called “obesity paradox” extends to other heart disease patients as well.
Study doesn't make obesity an advantage
The study does not, however, mean that obesity is a health boon, stress Dr. Paul McAuley and his colleagues at the VA Palo Alto Health Care System in California. Obesity is linked to a higher risk of developing type 2 diabetes, heart disease and other illnesses.
A lifetime of obesity might have different effects on longevity, they speculate.
It’s also not clear that obesity, per se, confers a survival advantage in heart disease. One recent study found that the obesity paradox might be explained by doctors’ tendency to treat obese heart disease patients more aggressively.
The current findings are based on a follow-up of 6,876 men who were referred for exercise stress testing due to possible heart disease symptoms. Over an average of seven-and-a-half years, 23 percent of the men died.
After the researchers accounted for patients’ fitness levels on the exercise test, as well as heart risk factors, such as high blood pressure and diabetes, they found that obese men were 35 percent less likely to die during the study period than were normal-weight men.
Because the study group consisted of older men with heart disease symptoms, the findings may not be broadly relevant, McAuley and his colleagues point out. It’s not known, for example, whether in a group of initially healthy people, obese individuals would tend to live longer.
More studies, the researchers conclude, are needed to fully understand the reasons for the obesity paradox. 本人已认领该文编译，如48小时后未能提交译文，请其他站友自由认领。 Heart study suggests an upside to obesity
Heavy men with heart disease tend to live longer than slimmer patients
心脏病研究显示肥胖的正面因素，即：在心脏病患者中，胖人比瘦人生存时间更长。
NEW YORK - Among men with symptoms of heart disease, those who are obese tend to live longer than their normal-weight counterparts, a new study suggests.
纽约-一项新的研究显示，在心脏病患者中，肥胖患者比正常体重患者生存时间更长。
Researchers found that among nearly 6,900 male veterans assessed for symptoms of heart disease, those who were obese were less likely to die over the next seven-and-a-half years compared with normal-weight men.
研究员通过对6900名诊断有心脏病的退伍军人研究发现，在随后的7年半里，那些肥胖的人比正常体重的同伴更容易存活。
Past research has linked obesity to longer survival among people with heart failure, a chronic condition in which the heart muscle is too weak to pump enough blood to meet the body’s needs. Some studies also suggest that obese patients fare better following heart bypass surgery.
以前的研究显示：肥胖更有利于心衰患者的生存。心衰是指心肌泵血功能差，不能满足身体对血液的需求。也有一些研究表明肥胖患者更容易适应心脏搭桥术后的情况。
Now the new findings, published in The American Journal of Medicine, suggest that this so-called “obesity paradox” extends to other heart disease patients as well.
美国医学杂志发表的新的研究认为这个被称为“肥胖矛盾”的理论对于其他心脏疾病同样适用。
Study doesn't make obesity an advantage
The study does not, however, mean that obesity is a health boon, stress Dr. Paul McAuley and his colleagues at the VA Palo Alto Health Care System in California. Obesity is linked to a higher risk of developing type 2 diabetes, heart disease and other illnesses.
研究并不认为肥胖是一个优点，Paul McAuley博士及其同事强调，研究并不表明肥胖是健康的恩惠。肥胖更容易导致2型糖尿病，心脏病和其他疾病。
A lifetime of obesity might have different effects on longevity, they speculate.
他们推测终生肥胖对于寿命具有不同的影响。
It’s also not clear that obesity, per se, confers a survival advantage in heart disease. One recent study found that the obesity paradox might be explained by doctors’ tendency to treat obese heart disease patients more aggressively.
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作者:admin@医学,生命科学 2011-05-28 17:11
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