Navigation Links
Heavy Drinking May Boost Risk for Atrial Fibrillation
Date:1/17/2011

By Steven Reinberg
HealthDay Reporter

MONDAY, Jan. 17 (HealthDay News) -- People who drink a lot, and do so often, increase their chances of developing the chronic heart rate or rhythm disorder called atrial fibrillation, according to Japanese researchers.

A common arrhythmia, atrial fibrillation carries a serious risk for stroke. Although drinking has previously been linked to atrial fibrillation, the researchers say their new study shows that habitual drinking as well as episodic drinking can significantly increase the risk for the condition.

"Don't put much confidence in moderate drinking," said Dr. Satoru Kodama, from the internal medicine department at the University of Tsukuba Institute of Clinical Medicine and the study's lead researcher.

"Chronic high drinking is significantly associated with risk of [atrial fibrillation], and the AF risk is related in a dose-response fashion to daily alcohol drinking," he said.

For the study, published online Jan. 18 in the Journal of the American College of Cardiology, Kodama and colleagues analyzed 14 studies from around the world, in a process called a meta-analysis. The studies involved 130,820 people, including 7,558 who had atrial fibrillation.

The researchers calculated the risk for the disorder for those who drank the most -- at least two drinks a day for men and at least one for women, plus the daily drinks consumed by alcohol abusers and alcoholics -- and compared those figures with the risk for those who drank the least. Two drinks a day for men and one for women is often considered moderate drinking, and other studies have shown that amount holds benefits for heart health.

But the Japanese researchers found that moderate drinkers may have a greater risk of atrial fibrillation than nondrinkers, although the risk is not as large as that for heavy drinkers. Those who drank the most had a significantly increased risk for atrial fibrillation, compared with those who drank the least. Moreover, the risk was proportionate to the amount of drinking: The more one drank, the greater the risk.

The researchers noted that their study was limited in several ways; they had to estimate the amount of ethanol consumed when the types of drinks were unknown; the definition of heavy drinking varied across studies; and the results may have been skewed by unknown variables such as high blood pressure, which was tracked in some studies but not in others. They added that the association between atrial fibrillation and high alcohol intake, for example, was weaker in studies that factored in hypertension.

Commenting on the study, Dr. Gregg Fonarow, American Heart Association spokesman and a cardiology professor at the University of California, Los Angeles, said that "it is well established that binge drinking of alcohol is associated with atrial fibrillation; this is commonly referred to as 'holiday heart.'" A number of other studies also have suggested that moderate or heavy daily drinking is associated with an increased risk for atrial fibrillation, he said.

The new study, Fonarow said, found that the relationship between daily alcohol consumption and the risk for atrial fibrillation "appears to be linear, with the greater the amount of alcohol consumed, the greater the AF risk, with the lowest risk of atrial fibrillation being observed in those who do not consume alcohol."

Alcohol can have both direct and indirect effects on the heart, which can increase the susceptibility to atrial fibrillation, he said. "These include changes in the autonomic nervous system, changes in blood pressure, changes in the heart and direct effects on heart muscle cells," Fonarow said.

More information

The American Heart Association has more on living with atrial fibrillation.

SOURCES: Satoru Kodama, M.D., Ph.D., department of internal medicine, University of Tsukuba Institute of Clinical Medicine, Ibaraki, Japan; Gregg Fonarow, M.D., professor, cardiology, University of California, Los Angeles; Jan. 18, 2011, Journal of the American College of Cardiology, online


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Sleep-disordered breathing comes at a heavy cost
2. Abstinence, heavy drinking, binge drinking associated with increased risk of cognitive impairment
3. Genetic trait could triple odds of whites susceptibility to heavy cocaine abuse
4. Heavy Smoking May Double Rheumatoid Arthritis Risk in Blacks
5. For Teen Boys, Heavy Drinking & Impulsivity May Be Vicious Circle
6. Heavy Smoking Linked to Alzheimers in Study
7. UF study: Emotional effects of heavy combat can be lifelong for veterans
8. Freshman weight gain: Women with heavy roommates gain less
9. NASA captures very heavy rain in Typhoon Fanapi and 2 landfalls
10. Low-Carb Diets Heavy on Meat May Raise Health Risks
11. Heavy drug-use among bad boys curbed by parental monitoring and peers
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Heavy Drinking May Boost Risk for Atrial Fibrillation
(Date:6/25/2016)... , ... June 25, 2016 , ... The temporary closing of Bruton Memorial Library on ... Observer , brings up a new, often overlooked aspect of head lice: the parasite’s ability ... fumigation is not a common occurrence, but a necessary one in the event that lice ...
(Date:6/25/2016)... ... 25, 2016 , ... On Friday, June 10, Van Mitchell, Secretary of the ... to iHire in recognition of their exemplary accomplishments in worksite health promotion. , The ... Health & Wellness Symposium at the BWI Marriott in Linthicum Heights. iHire was one ...
(Date:6/24/2016)... ... June 24, 2016 , ... Marcy was in a crisis. Her son James, eight, ... at his family verbally and physically. , “When something upset him, he couldn’t control his ... it. He would throw rocks at my other children and say he was going to ...
(Date:6/24/2016)... ... ... Topical BioMedics, Inc, makers of Topricin and MyPainAway Pain Relief Products, join The ‘Business for ... $12 an hour by 2020 and then adjusting it yearly to increase at the same ... wage, assure the wage floor does not erode again, and make future increases more predictable. ...
(Date:6/24/2016)... ... June 24, 2016 , ... Strategic Capital ... area economy by obtaining investment capital for emerging technology companies. SCP has ... have already resulted in more than a million dollars of capital investment for ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... 2016 Dublin ... addition of the " Global Markets for Spectroscopy ... This report focuses on the ... review, including its applications in various applications. The report ... includes three main industries: pharmaceutical and biotechnology, food and ...
(Date:6/24/2016)... Research and Markets has announced the addition of ... report to their offering. ... The World Market for Companion Diagnostics covers the world market ... the report includes the following: , World ... Region (N. America, EU, ROW), 2015-2020 , World IVD ...
(Date:6/23/2016)... , June 23, 2016  MedSource announced ... as its e-clinical software solution of choice.  This ... best possible value to their clients by offering ... The preferred relationship establishes nowEDC as the EDC ... for MedSource,s full-service clients.  "nowEDC has long been ...
Breaking Medicine Technology: