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KMID : 0376619930180010001
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Seoul Journal of Psychiatry
1993 Volume.18 No. 1 p.1 ~ p.11
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Sleep Architecture Analysis in Obstructive Sleep Apnea Syndrome
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Abstract
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Polysomnographic study of eleven obstructive sleep apnea patients for one full night revealed that they had a significant reduction in the percentage of Stage 2 sleep, Stage 4 sleep, and Stage PEM sleep. The percentage of Stage 1 sleep was
significantly
increased. Distribution of respiratory events as correlates of apneas/hypopneas occurred during Stage 1,2 and REM sleep. Normal sleep stage distribution such as dominance of slow wave sleep in the first third and dominance of REM sleep in the
last
third
of nocturnal sleep proved to have been disturbed by repetitive occurrence of sleep-related respiratory events.
The findings suggest that overnight polysomnography with detailed evaluation of sleep stage distribution and sleep continuity is essential for reliably diagnosing obstructive sleep apnea syndrome and understanding its pathophysiology.
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KEYWORD
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