2011年6月9日星期四

Weight loss can help symptoms of apnea sleep (HealthDay)

(Monday June 6 HealthDay News) - many people who suffer from obstructive sleep apnea could eliminate the condition by losing a significant amount of weight, a new study suggests.

Without knowing it, people with sleep apnea wake up several times throughout the night they have trouble breathing. The condition can cause a severe daytime fatigue and other symptoms. In many cases, patients are treated with continuous positive airway pressure (CPAP), a treatment that uses a machine to keep their airways open during sleep.

According to Dr. Virend Somers, Professor of medicine and cardiovascular disease at the clinic in Rochester, Minnesota Mayo, it seems y have a relationship between apnea sleep and additional books. But exactly how they are related, it is not quite clear, he said. "Although the majority of patients are obese, not everyone with the sleep apnea is obese, said Somers, who was not involved with the new study.

Doctors who know "as weight gain, sleep apnea was worse still, and you lose, it improves", said Somers. Obesity can affect the ability of the respiratory tract stay open during sleep, or extra fat cells may affect control of the brain of the airway, it suggested.

In the new study, published online June 1 to BMJ, researchers led by Kari Johansson of the Karolinska Institute in Stockholm followed 63 male patients sleep apnea, 30 to 65 years, who were overweight. Of this number, 58 completed a version of the Plan of weight of the Cambridge, which began with a diet very low-calorie for nine weeks, followed by a year of counseling for weight-maintenance program. The weight of Cambridge Plan provided partial funding for the study.

After a year, about half of patients who have lost weight and kept is no longer required a machine CPAP to keep their airways open during sleep and the sleep apnea went to 10 per cent of them.

Somers pointed out that it is unlikely that the approach of the diet specific itself was important. "I am not aware of any interaction between what we eat and sleep apnea," he said. Instead, it is likely that simply losing weight did the trick, he explains.

More information

For more information on sleep apnea, visit the U.S. National Library of Medicine.


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