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New symptom may help ID sleep apnea in older women
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New symptom may help ID sleep apnea in older women

New symptom may help ID sleep apnea in older women
News

New symptom may help ID sleep apnea in older women

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The results of a new study suggest that nocturnal enuresis, or bedwetting, may be an additional symptom that doctors can look for when assessing post-menopausal women for obstructive sleep apnea (OSA). That condition left untreated can lead to serious medical problems, such as cardiovascular disease, as organs are under supplied with oxygen.


About 2 percent of women reportedly experience OSA, but it may be under diagnosed among older women, said Dr. Patrick Koo, lead author of the new study in the journal Menopause. Past research suggests that women may understate some symptoms when reporting poor sleep, leading to misdiagnoses of depression or insomnia. Koo, a clinical assistant professor of medicine in the Alpert Medical School of Brown University and a physician at Memorial Hospital of Rhode Island, therefore set out to determine whether nocturnal enuresis, which has been associated with OSA in children, might be an additional risk factor worth considering.


To do that he and his co-authors analyzed the vast trove of health data compiled by the Women's Health Initiative, a massive research program that enrolled and followed more than 161,000 post-menopausal women between 1993 and 2005. Koo and his colleagues were able to review the prevalence of traditional OSA risk factors among the women -- obesity, snoring, poor sleep, interrupted sleep, hypertension, daytime sleepiness -- and their individual and collective association with nocturnal enuresis. In the analysis they accounted for a wide range of possible confounding factors, including the number of term pregnancies, alcohol consumption, and many other demographic and medical characteristics.


What they found is that the more traditional OSA risk factors a woman experienced, the greater the odds that she also experienced nocturnal enuresis. A woman with any two OSA risk factors, for example, was on average twice as likely as a woman with none to urinate in her sleep. A woman with four OSA risk factors was nearly four times as likely.


"We demonstrate that OSA risk factors are associated with nocturnal enuresis in postmenopausal women," Koo and colleagues conclude in the paper. "When screening for OSA, clinicians may find it useful to inquire about nocturnal enuresis as a symptom."


Note: Material may have been edited for length and content. For further information, please contact the cited source.

Brown University   press release


Publication

Eaton CB et al. Association of obstructive sleep apnea risk factors with nocturnal enuresis in postmenopausal women.   Menopause, Published Online August 31 2015. doi: 10.1097/GME.0000000000000517


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