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Study shows that CPAP therapy reduces fatigue, increases energy in patients with sleep apnea
Date:12/31/2010

This release is also available in Chinese on EurekAlert! Chinese.

DARIEN, IL Patients with obstructive sleep apnea often report that they feel like "a new person" after beginning treatment with continuous positive airway pressure therapy. A new study in the Jan. 1 issue of the journal SLEEP provides objective evidence to support these anecdotal reports, showing that three weeks of CPAP therapy significantly reduced fatigue and increased energy in patients with OSA.

Results of the randomized controlled trial show that CPAP therapy significantly reduced self-reported, mean fatigue scores on two independent measures: from 8.76 at baseline to -0.10 post-treatment on the Multidimensional Fatigue Symptom Inventory Short Form; and from 7.17 at baseline to 4.03 post-treatment on the fatigue-inertia subscale of the Profile of Mood States Short Form. These results indicate that participants were no longer suffering from clinically significant levels of fatigue after the three-week intervention period.

Self-reported energy levels also increased after three weeks of CPAP therapy, with the mean score on the vigor-activity subscale of the Profile of Mood States Short Form increasing significantly from 14.28 at baseline to 16.52 post-treatment. Significant changes in fatigue and energy were not observed in participants who received placebo CPAP.

"This was one of the first double-blind studies of the effects of CPAP on fatigue," said lead author Lianne Tomfohr, graduate research assistant in the joint doctoral program at San Diego State University and the University of California, San Diego. "These results are important, as they highlight that patients who comply with CPAP therapy can find relief from fatigue and experience increases in energy and vigor after a r
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Contact: Emilee McStay
emcstay@aasmnet.org
630-737-9700 x9345
American Academy of Sleep Medicine
Source:Eurekalert

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