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[News] Electronic Nose Could Aid In Sleep Apnea Diagnosis
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Electronic Nose Could Aid In Sleep Apnea Diagnosis, Study Finds

Do you have sleep apnea? An "electronic nose" could have the answer, according to a small new study.

Researchers from Marburg Hospital in Germany tested the ability of an electronic nose -- which works by analyzing compounds in a person's breath -- in diagnosing sleep apnea.

The verdict?

It works, with 93 percent sensitivity.

"The electronic nose could be useful in two ways. First, it can rule out the disease in a low prevalence population. Secondly, in a population with a high risk of sleep apnea, the device could be used to help decide who would need to undergo an overnight sleep examination," study researcher Dr. Timm Greulich said in a statement. "Following these results, we foresee that the use of an electronic nose could reduce costs by more appropriately selecting patients who require the sleep examination."

The study, published in the European Respiratory Journal, included 41 people with sleep apnea, and 20 people without any sleep disorders. The people with sleep apnea underwent CPAP treatment (the standard treatment for the condition), and researchers found that applying the "electronic nose" to these people led to an effective diagnosis.

Researchers said that the "electronic nose" likely works because it's able to detect airway inflammation in people with sleep apnea.

Sleep apnea is a condition where a person stops breathing or has shallow breathing during sleep, leading to disturbed sleep. This in turn causes excessive sleepiness during the day, according to the National Institutes of Health.

Sleep apnea is usually diagnosed by a sleep specialist through overnight monitoring of sleep via nocturnal polysomnography, though home tests are also becoming more popular, the Mayo Clinic reported.

To read about more research on the potential use of electronic noses, view the below papers:
http://erj.ersjournals.com/content/39/3/669.abstract
http://erj.ersjournals.com/content/40/2/448.abstract

Fair use from:
http://www.huffingtonpost.com/2012/11/02...12070.html

The above post may contain copyrighted material the use of which has not always been specifically authorized by the copyright owner. The material available is intended to advance the understanding of Sleep Apnea treatment and to advance the educational level of Sleep Apnea patients with regard to their health. Sometimes included is the full text of articles and documents rather than a simple link because outside links frequently "go bad" or change over time. This constitutes a "fair use" of any such copyrighted material as provided for in section 107 of the US Copyright Law. In accordance with Title 17 U.S.C. Section 107, the material in this post is distributed without fee or payment of any kind for research and educational purposes. If you wish to use copyrighted material from this post for purposes of your own that go beyond "fair use", you must obtain permission from the copyright owner.
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