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KMID : 0391520160240010008
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Journal of the Korean Child Neurology Society
2016 Volume.24 No. 1 p.8 ~ p.14
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Polysomnographic Analysis of Sleep Problems in Children with Epilepsy: Influencing Factors in Sleep and Seizure Related Conditions
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Kim Ae-ree
Lee Ji-Won
Joo Eun-Yeon
Lee Jee-hun
Lee Mun-hyang
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Abstract
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Purpose: The objectives of this study were to identify the characteristics of sleep
disorders in children with epilepsy complaining of sleep problems, and to find out
sleep-related factors that influence on the prognosis of epilepsy.
Methods: We retrospectively reviewed medical records and polysomnographic
data of 94 children (mean age 13.7±3.8 years), who visited our hospital for epilepsy
between March 2001 and December 2014. The patients were evaluated with
polysomnography and a questionnaire about sleepiness. We compared clinical
characteristics between patients with and without sleep disorders. We analyzed the
differences of sleep parameters between the prognostic groups of epilepsy.
Results: The patients enrolled in this study complained of various sleep problems, such
as snoring, apnea, mouth-breathing, excessive daytime sleepiness, and insomnia. Sleep
disorders were diagnosed in 46 patients (48.9%). Obstructive sleep apnea was the
most common sleep disorder (n=26), followed by narcolepsy (n=8) and periodic limb
movement disorder (n=8). Patients with poor prognosis showed decrease of stage 3-4
sleep (P=0.010). There was no significant correlation between the presence of sleep
disorders and seizure control (P=0.053).
Conclusion: Various sleep complaints and sleep disorders are commonly found in
children with epilepsy. Polysomnographic analysis of patients with uncontrolled
seizure indicates a decline in sleep quality. Screening sleep problems and performing
diagnostic test with polysomnography in patients with sleep problems is
recommended in pediatric patients with epilepsy.
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KEYWORD
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Epilepsy, Sleep disorder, Polysomnography, Prognosis, Obstructive sleep
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