HomeWellnessDietHow does drinking alcohol with heart failure affect life expectancy?

How does drinking alcohol with heart failure affect life expectancy?

Is it safe to have a drink after a diagnosis of heart failure? Researchers recently investigated the relationship between alcohol and heart failure in a study published in JAMA Network Open.

Heart failure affects up to 26 million people around the world and is showing no sign of decreasing. The relationship between alcohol and heart failure is complex. No research had been performed to determine whether drinking alcohol is safe for patients recently diagnosed with heart failure.

Researchers from the Washington University School of Medicine in the United States studied the effect of alcohol and heart failure on survival for older adults. The study was published in JAMA Network Open. The study obtained data from the Cardiovascular Health Study which took place between June 1989 and June 1993 across four sites in the United States.

For this particular study, the researchers used data from 393 adults aged 65 or older who had been recently diagnosed with heart failure heart failure. These participants were initially examined in June 1989 and then were examined once annually for nine years. Researchers analyzed data from the Cardiovascular Health Study to determine the relationship between alcohol consumption and lifespan from the time participants were diagnosed with heart failure until their last follow up appointment or death.

Patients were classified into alcohol consumption groups at their first visit: non-drinker, former drinker, low-moderate drinker, and moderate-heavy drinker. Former drinkers were not included in the trend analyses because researchers were trying to determine how alcohol affected the lifespan of people who drank compared to those who never drank.

Low-to-moderate drinkers had significantly longer lifespans after heart failure diagnosis

The low-moderate drinkers had a significantly longer life span after diagnosis with heart failure than the non-drinkers group. The study discussed how low-to-moderate consumption of alcohol may provide some benefits, such as helping to increase “good cholesterol”, and helping the body use insulinThere were several limitations to the study. Only one measure of alcohol consumption was used, there was no information provided about the participants’ cause of heart failure, and the representation of moderate-to-heavy drinkers was small (4.3%).

Nevertheless, researchers are hopeful that this study data will help doctors advise patients with heart failure about alcohol consumption. Patients with heart failure should not start drinking alcohol if they did not drink before diagnosis.

Older adults who develop heart failure may not need to stop drinking moderately

In a recent press release, Dr. David L. Brown, senior author of the study said, “People who develop heart failure at an older age and never drank shouldn’t start drinking. But our study suggests people who have had a daily drink or two before their diagnosis of heart failure can continue to do so without concern that it’s causing harm. Even so, that decision should always be made in consultation with their doctors.”

The study results are good news for people recently diagnosed with heart failure. The researchers conclude by stating that limited consumption of alcohol among older adults who develop heart failure and have previously drank may actually provide some survival benefits compared with long-term abstinence.

Written by: Rebecca Blankenship, B.Sc.

References:

  1. Sadhu J, Novak E, Mukamal K et al. Association of Alcohol Consumption After Development of Heart Failure With Survival Among Older Adults in the Cardiovascular Health Study. JAMA Netw Open. 2018;1(8):e186383. doi:10.1001/jamanetworkopen.2018.6383
  2. Savarese G, Lund L. Global Public Health Burden of Heart Failure. Card Fail Rev. 2017;03(01):7. doi:10.15420/cfr.2016:25:2
Rebecca Blankenship BSc
Rebecca Blankenship is a freelance technical writer. She reviews, edits, and authors internal quality documentation required for regulatory compliance. She has twenty years experience in industrial pharma/medical device quality management systems and an honors BSc in chemistry. She is a natural born rule follower and enjoys applying this strength to help others be audit ready to meet regulatory requirements. She also loves learning about the latest scientific discoveries while writing for Medical News Bulletin. Her free time is spent as a full-time mom, encouraging can-do attitudes and cooperation in her three children.

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