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논문 기본 정보

자료유형
학술저널
저자정보
Min-Jong Kim (Department of Neurology Seoul National University College of Medicine Seoul) Kwang Su Cha (Department of Neurology Seoul National University Hospital Seoul) Tae-Joon Kim (Department of Neurology Seoul National University Hospital Seoul) 전진선 (경북대학교병원) 정기영 (서울대학교)
저널정보
대한수면연구학회 Journal of sleep medicine Journal of sleep medicine Vol.15 No.2
발행연도
2018.1
수록면
68 - 73 (6page)

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Periodic leg movements in sleep (PLMS) are associated with arousals and autonomic activation, which may contribute to higher cardiovascular disease risk in patients with restless legs syndrome (RLS). Non-periodic leg movements in sleep (NPLM) are leg jerks in sleep that does not satisfy standard criteria of PLMS. The aim of this study was to evaluate impact of short-interval leg movements in sleep (SILMS) and isolated leg movements in sleep (ILMS) in comparison to PLMS on heart rate in both patients with RLS and healthy controls. Methods: Seven idiopathic RLS patients and 9 controls were enrolled in this study. Polysomnographic studies were analyzed and leg movements (LM) were automatically detected. NPLM can be classified as SILMS and ILMS. SILMS are LM separated by an inter-movement interval (IMI) shorter than 10 s, and ILMS are LM with IMI longer than 90 s. Frequency and heart rate associated with SILMS, ILMS, and PLMS in RLS patients were compared to those in controls. Heart rate change associated with LM were determined for a fixed time window. Results: Frequencies of SILMS and ILMS of patients with RLS were not significantly different to those of controls. RLS patients presented higher heart rate change associated with SILMS than PLMS before movement onset, while heart rate change associated with SILMS, ILMS, and PLMS were not different in the controls. Conclusions: Although the number of SILMS is not higher than PLMS, SILMS may have closely associated with higher cardiac activation of RLS than PLMS. Therefore, SILMS might be an important treatment target for patients with RLS to reduce long-term cardiovascular risk. Long-term prospective studies are needed to evaluate the relationship between NPLM and cardiovascular disease in patients with RLS.

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참고문헌 (21)

참고문헌 신청
Ferri R / 2016 / World Association of Sleep Medicine (WASM) 2016 standards for recording and scoring leg movements in polysomnograms developed by a joint task force from the International and the European Restless Legs Syndrome Study Groups (IRLSSG and EURLSSG) / Sleep Med 26:86~95 google schola Montplaisir J / 1997 / Clinical, polysomnographic, and genetic characteristics of restless legs syndrome: a study of 133 patients diagnosed with new standard criteria / Mov Disord 12:61~65 google schola Shin JW / 2016 / Prevalence and characteristics of periodic limb movements during sleep in Korean adult patients with restless legs syndrome / J Clin Sleep Med 12:1089~1097 google schola Sasai-Sakuma T / 2018 / Ethnic differences in periodic limb movements during sleep in patients with restless legs syndrome: a preliminary cross-sectional study of Austrian and Japanese clinical population / Sleep Biol Rhythms 16:345~349 google schola Ferri R / 2007 / Heart rate and spectral EEG changes accompanying periodic and nonperiodic leg movements during sleep / Clin Neurophysiol :438~448 google schola

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