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Disorder Linked To Obesity In Premenopausal Women.(sleep apnea )

Women's Health Weekly

| April 05, 2001 | Hasty, Susan | COPYRIGHT 2001 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

2001 APR 5 - (NewsRx.com & NewsRx.net) -- by Susan Hasty, staff medical writer - A multicenter study has found that sleep apnea in women is associated with obesity and menopause, and that postmenopausal women on hormone replacement therapy have a reduced risk for sleep-disordered breathing.

E.O. Bixler and colleagues at Pennsylvania State University, the University of Pennsylvania, and in Madrid, Spain, evaluated a random sample of 16,583 men (4,364) and women (12,219), age 20 to 100 years, for the prevalence of sleep apnea. In a second phase of the study, 1,000 women and 741 men were evaluated overnight in a sleep laboratory.

"The results of our study indicated that, for clinically defined sleep apnea (apnea/hypopnea index [greater than or equal to] 10 and daytime symptoms), men had a prevalence of 3.9% and women 1.2%, resulting in an overall ratio of sleep apnea for men to women of 3.3:1 (p=0.0006)," Bixler et al. reported.

Premenopausal women and postmenopausal women on hormone replacement therapy (HRT) had similar low prevalences, 0.6% and 0.5%, respectively. Additionally, the sleep apnea found in these two groups was associated exclusively with obesity (body mass index, BMI [greater than or equal to] 32.3 kg/[m.sup.2]), the researchers said.

Postmenopausal women not taking hormones had a significantly ...

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