Herald: DRINKING A LITTLE AFTER HEART ATTACK

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DRINKING A LITTLE AFTER HEART ATTACK

14 Jan 2019 05:14am IST

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From Our DELHI Bureau

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14 Jan 2019 05:14am IST

Report by
From Our DELHI Bureau



People over age 65 with a new heart attack diagnosis can continue to drink moderate amounts of alcohol without worsening their condition, a new study suggests.

The study shows a survival benefit for moderate drinkers compared with those who abstained from alcohol. On average, survival for moderate drinkers was just over a year longer than abstainers, a difference that was statistically significant. However, the findings do not suggest that nondrinkers should start imbibing after a heart failure diagnosis, the researchers emphasize.

“My patients who are newly diagnosed with heart failure often ask me if they should stop having that glass of wine every night,” says senior author and cardiologist David L. Brown, professor of medicine at Washington University School of Medicine in St. Louis. “And until now, I didn’t have a good answer for them.

“We have long known that the toxic effects of excessive drinking can contribute to heart failure. In contrast, we have data showing that healthy people who drink moderately seem to have some protection from heart failure over the long term, compared with people who don’t drink at all. But there was very little, if any, data to help us advise people who drink moderately and have just been diagnosed with heart failure,” Brown says.

The new study suggests that such patients can safely continue to drink in moderate amounts—one serving of alcohol per day for women and two for men. The researchers found a slight association between moderate drinking and longer survival times. But since the study doesn’t establish cause and effect, the researchers can’t conclude that moderate drinking is actively protective.

It is possible there is some other factor, or combination of factors, common among moderate drinkers that leads to this benefit. As such, the evidence does not support the idea that nondrinkers with heart failure will improve if they begin moderate alcohol consumption.

The researchers analyzed data from a past study called the Cardiovascular Health Study, conducted from 1989 to 1993. It included 5,888 adults on Medicare. Of these, 393 patients developed heart failure during the nine-year follow-up period. Heart failure occurs when the heart gradually loses the ability to pump sufficient blood to the body. Heart attacks or other chronic conditions such as diabetes or kidney disease can also trigger heart failure.

With an average age of 79, slightly more than half of the heart failure patients were women, and 86 percent were white. Researchers divided the patients into four categories for the analysis: people who never drank, people who drank in the past and stopped, people who had seven or fewer drinks per week, and people who had eight or more drinks per week..The extended survival came to an average of 383 days and ranged from 17 to 748 days. The greatest benefit seems to be derived from drinking 10 drinks per week, but so few patients fell into that category that the data were insufficient to draw definite conclusions.

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