| 하지불안증후군 환자에서 주기성 사지운동의 동반유무에 따른 수면의 질 및 수면다원검사 결과 비교 |
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은미연, 석홍열, 김정빈, 정기영 |
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고려대학교 의과대학 신경과학교실 |
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| Comparison of Sleep Quality and Polysomnographic Findings in Patients with RLS according to the Presence of Periodic Limb Movements during Sleep |
| Mi-Yeon Eun, Hung Youl Seok, Jung Bin Kim, Ki-Young Jung |
| Department of Neurology, Korea University College of Medicine, Seoul, Korea |
| Corresponding Author:
Ki-Young Jung ,Tel: +82-2-2019-3320, Fax: +82-2-3462-5904, Email: koreasleep@empal.com |
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Received: May 13, 2011 Accepted: June 8, 2011 Published online: June 30, 2011 |
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| ABSTRACT |
Objectives: Although it has been reported that periodic limb movements during sleep (PLMS) is present up to 80% in patients with restless legs syndrome (RLS), it is unclear that PLMS could influence on sleep quality and excessive daytime sleepiness (EDS) in patient with RLS. To investigate influence of PLMS on sleep quality and EDS, we analyzed sleep quality and EDS in patient with RLS.
Methods: Fifty five RLS patients were included in this study. RLS was diagnosed according to International Restless Legs Syndrome Study Group criteria. Patients were classified into two groups according to the presence of PLMS. Group I (n=32) consisted of RLS patients without PLMS. Group II (n=23) consisted of RLS patients with PLMS. The severity of RLS symptom was assessed using International RLS Study Group Rating Scale (IRLS). Subjective sleep quality was assessed by Pittsburgh Sleep Quality Index (PSQI), Athens Insomnia Scale (AIS), and Epworth Sleepiness Scale (ESS). Serum ferritin level and polysomnographic parameters were also compared between both groups.
Results: Mean age was significantly higher in RLS patients with PLMS (p<0.05). IRLS, PSQI, ESS and AIS were not significantly different between groups. Among sleep parameters on polysomnography only PLM related variables were significantly higher in RLS patients with PLMS.
Conclusions: Our study suggests that presence of PLMS in patient with RLS has no significant negative effect on sleep quality and excessive daytime sleepiness. |
| Keywords:
Restless legs syndrome | Periodic limb movements | Sleep quality | Excessive daytime sleepiness | Polysomnography. |
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