Overweight individuals are not just at greater risk of having sleep-disordered-breathing, they are also likely to suffer greater consequences, according to new research. According to the study , published in the American Journal of Respiratory and Critical Care Medicine, excess weight increased the severity of oxygen desaturation in the blood of individuals with SDB during and after apneas and hypopneas.
Increasingly severe sleep-related breathing disorders in older men appear to be associated with a greater risk of abnormal heart rhythms (arrhythmias), according to a report in the June 22, 2009, issue of Archives of Internal Medicine, one of the JAMA/Archives journals. In addition, different types of breathing problems appear more closely associated with different categories of arrhythmia.
Sleep-disordered breathing is a common condition, according to background information in the article. It causes a number of physiologic events that could be stressful to the cardiovascular system, including inadequate blood oxygen levels at night and activation of the sympathetic nervous system (associated with the body’s fight-or-flight response).
In a study that examined the relationship between race, menopausal status and symptoms of obstructive sleep apnea (OSA), middle-aged black women were found to be more likely to experience OSA symptoms than their white counterparts.
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As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the U.S. population
was 306,340,710. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 21,443,850 apneics in the U.S.
~~ Apnea around the world ~~
As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the world population
was 6,777,286,604. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 474,410,062 apneics in the world.
