Fourteen drinks a week is linked with a higher risk of health problems including stroke and embolism in patients with atrial fibrillation, according to research published in EP Europace, a journal of the European Society of Cardiology (ESC).
“Our study suggests that atrial fibrillation patients should avoid heavy alcohol consumption to prevent stroke and other complications,” said author Dr. Boyoung Joung of Yonsei University College of Medicine, Seoul, Republic of Korea.
The study included 9,411 patients with atrial fibrillation from 18 tertiary hospitals covering all geographical regions of South Korea. Patients were categorised into four groups according to their weekly alcohol consumption (one drink contains 14 grams of alcohol): abstainer/rare (0 grams/less than one drink), light (less than 100 grams/7 drinks), moderate (100-200 grams/7-14 drinks), and heavy (200 grams/14 drinks or more).
A total of 7,455 (79.2%) patients were classified as abstainer/rare, 795 (8.4%) as light, 345 (3.7%) as