Friday May 25, 2018

Obesity Linked To Heart Rhythm Disorder

Obesity raises the risk of irregular heart rate

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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 70,00 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.

Also Read: Obesity may affect a child’s liver

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.

“If you have both atrial fibrillation and obesity, treating obesity will go a long way in treating and managing your atrial fibrillation,” Foy said.

Our weight must be in our control.
Weight must be in control. Pixabay

“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.

Also Read: SURVEY – Obesity Becoming A Health Crisis Among The Asia-Pacific Children

The researchers followed a group of 67,278 patients — half with obesity and 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.

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

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Study Shows Weight Loss Surgery Can Reduce Risk of Skin Cancer

Bariatric surgery, a weight loss operation, is associated with a 61 per cent decrease in the risk of developing malignant skin cancer, according to a study.

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Bariatric Surgery
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Bariatric surgery, a weight loss operation, is associated with a 61 per cent decrease in the risk of developing malignant skin cancer, according to a study.

Melanoma is a deadly form of skin cancer, most closely associated with excessive sun exposure. Obesity is an established risk factor for cancer and some studies indicate that intentional weight loss sometimes reduces the risk.

However, evidence for a link between obesity, weight loss and malignant melanoma is limited.

The new findings showed that bariatric surgery led to a 42 per cent reduced risk of skin cancer in general compared to controls given usual obesity care.

The study “supports the idea that obesity is a melanoma risk factor and indicates that weight loss in individuals with obesity can reduce the risk of bariatric surgery that has increased steadily in many countries over several decades”, said lead author Magdalena Taube from the University of Gothenburg in Sweden.

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Cancer. Pixabay

The results were presented at the 2018 European Congress on Obesity in Vienna, Austria.

The protective effect of bariatric surgery on skin cancer was observed in a group of 2,007 obese participants who were then followed for a median of 18 years.

These were compared with a control group consisting of 2,040 individuals who matched with the participants who underwent surgery on sex, age, anthropometric measurements, cardiovascular risk factors, psychosocial variables and personality traits.

Also Read: Study Shows that Humans Are Influencing Cancer in Wild Animals

To analyse malignant melanoma incidence, statistical tests were used to compare time to first melanoma cancer diagnosis between the surgery and control groups.

In additional analyses, risk ratios between the surgery and control groups were compared. (IANS)

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