Friday, April 9, 2010

The Language of Sleep: Popular Screening Tool Translated Into Korean

A new study in the journal Sleep and Breathing shows that the recently created Korean Epworth Sleepiness Scale (ESS) is a reliable and valid tool for screening patients with obstructive sleep apnea (OSA). The ESS was translated into Korean and then retranslated into English to ensure its validity.

Excessive daytime sleepiness (EDS) is a common symptom of OSA. The ESS gauges how likely you are to doze off or fall asleep in everyday situations. The test can help you see if you have a problem with EDS. A score of nine or above indicates that you should see your doctor.

The study involved 273 participants. Each person took a polysomnography (PSG) to test for sleep apnea. Of the participants, 37 had mild OSA, 61 had moderate OSA, and 83 had severe OSA. Thirty-two people snored. Sixty people breathed normally during sleep.

Two to four weeks after the PSG, 53 of the participants were randomly selected and given the KESS.

Results indicate that the KESS is a reliable screening tool for Korean-speaking patients. KESS scores were significantly higher in patients with OSA. As OSA severity increased, so did patients’ KESS scores.

The ESS and KESS can help screen for sleep apnea. But OSA should be diagnosed at a sleep center. Once diagnosed, some sleep apnea patients receive treatment from dentists trained in dental sleep medicine.

Dentists from around the world now treat sleep apnea. In March, this blog reported on the launch of the Asian Academy of Dental Sleep Medicine. The Academy is composed of DSM experts from Korea, Japan, Taiwan and Thailand.

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The Official Blog of the American Academy of Dental Sleep Medicine (AADSM) is intended as an information source only. Content of this blog should not be used for self-diagnosis or treatment, and it is not a substitute for medical care, which should be provided by the appropriate health care professional. If you suspect you have a sleep-related breathing disorder, such as obstructive sleep apnea (OSA), you should consult your personal physician or visit an AASM-accredited sleep disorders center. The AADSM, and the American Academy of Sleep Medicine, as the managing agent of the AADSM, assume no liability for the information contained on the Official Blog of the AADSM or for its use.