Obesity increases risk of irregular heart rate, weight loss can save from stroke

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Obesity increases risk of irregular heart rate, weight loss can save from stroke

New York, April 19 : Obesity may increase risk of developing a rapid and irregular heart rate, called atrial fibrillation, which can lead to stroke, heart failure and other complications, says a study of nearly 70,000 patients.

The findings, published in the journal American Journal of Cardiology, showed that people with obesity had a 40 per cent higher chance of developing atrial fibrillation than people without obesity.

The results suggest that for patients with both obesity and atrial fibrillation, losing weight has the potential to help treat and manage their atrial fibrillation, said Andrew Foy, Assistant Professor at Penn State College of Medicine in the US.

Researcher Andrew Foy said the results suggest that for patients with both obesity and atrial fibrillation, losing weight has the potential to help treat and manage their atrial fibrillation.

“If you have both atrial fibrillation and obesity, treating obesity will go a long way in treating and managing your atrial fibrillation,” Foy said. “And if you have obesity, and lose weight through diet, exercise, or even surgery, that will help reduces your risk of developing chronic conditions like atrial fibrillation.”

“And if you have obesity, and lose weight through diet, exercise, or even surgery, that will help reduce your risk of developing chronic conditions like atrial fibrillation,” he added.

Atrial fibrillation happens when the electrical currents in the heart go haywire and the top chambers of the heart quiver or flutter.

The condition puts patients at a higher risk for developing other heart complications.

While previous research has linked obesity and atrial fibrillation, Foy said he wanted to explore the connection in a larger sample of younger patients.

The researchers followed a group of 67,278 patients — half with obesity and a half without — for eight years. The average participant age was 43.8 and nearly 77 per cent were women.

People with obesity are 40 per cent more likely to develop atrial fibrillation, while they are 45 per cent and 51 per cent more likely to develop hypertension or diabetes, respectively, the findings showed.

Foy said the association could possibly be explained by the stress and strain put on the heart by obesity.

“When the heart is strained, it can lead to changes in the atrium — the top chambers of the heart — and it’s here where we believe structural abnormalities can precipitate atrial fibrillation,” Foy said. “Patients with obesity tend to have more fibrosis, higher pressures and more fatty infiltration in the top chamber of their hearts, so atrial fibrillation could be related to these types of changes.”

The researchers also found that people with obesity are almost just as likely to develop atrial fibrillation as people with hypertension or diabetes.

Researcher Gerald Naccarelli said the results could help physicians better evaluate and communicate with their patients.

“Practitioners should counsel their obese patients to look for symptoms of atrial fibrillation, such as palpitations, shortness of breath and weakness and encourage them to lose weight,” Naccarelli said. “In addition, practitioners have to look for other risk factors that are more common in obese patients such as diabetes, hypertension or coronary artery disease.”

(Agencies)

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