Researchers at the Karolinska Institute in Sweden aimed to evaluate whether treatment with a low energy diet reduces moderate and severe obstructive sleep apnoea in obese men. Thay have found that weight loss reduces obstructive sleep apnoea in obese men, with the greatest effect seen in patients with severe disease.
Obstructive sleep apnoea is a common sleep disorder characterised by pauses in breathing during sleep. Each episode (apnoea) lasts for at least 10 seconds and is caused by the collapse of the upper airways during sleep. Moderate and severe obstructive sleep apnoea (defined as 15 or more apnoeas per hour) carries an excess risk of motor vehicle crashes, heart disease and death. Yet only one study has examined the effects of weight loss on obstructive sleep apnoea.
Study conclusions are published on bmj.com today.
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