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A Cleveland Clinic study shows that bariatric surgery performed in patients with obesity and moderate to severe obstructive sleep apnea is associated with a significantly lower risk of death and major adverse cardiovascular events, compared with patients who did not have the surgery. This study was published in the Journal of the American College of Cardiology. Ali Aminian, M.

D., director of Cleveland Clinic's Bariatric & Metabolic Institute and primary investigator of the MOSAIC study, said, "The research shows that weight loss achieved with bariatric surgery is significantly associated with a 42% lower risk of major adverse cardiovascular events and 37% lower risk of death in patients with obesity and moderate to severe obstructive sleep apnea." According to a study published in The Lancet Respiratory Medicine, nearly 1 billion adults around the world have obstructive sleep apnea.



One of the most common risk factors for developing the sleep disorder is obesity. The Obesity Medicine Association reports that about 70% of adult patients with obstructive sleep apnea have obesity. Patients with obstructive sleep apnea – which can disrupt metabolism and cause more weight gain – are at an increased risk of developing life-threatening conditions, including heart attack and heart failure.

The Cleveland Clinic-led MOSAIC (Metabolic surgery for OSA and Incident Cardiovascular disease) research is the first of its kind to report data on the long-term cardiovascular outcomes of bari.

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