Original Article

Periodic Limb Movements of Sleep: A Survey on Polysomnographic Characteristics of Patients with Obstructive Sleep Apnea

Abstract

Background and Objective: Periodic limb movements of sleep (PLMS) and obstructive sleep apnea (OSA) are two common sleep disorders that frequently co-occur in one subject. In this study, we evaluated the polysomnographic (PSG) features of patients with OSA with and without PLMS.
Materials and Methods: Patients with OSA diagnosed by PSG who referred to our sleep clinic over 2 years were
studied for PLMS during a standard diagnostic sleep study. PSG features including apnea-hypopnea index (AHI), oxygen desaturation index (ODI), and sleep quality were evaluated and compared between patients with OSA with and without PLMS.
Results: We evaluated 122 patients with OSA, of whom 17 had comorbid PLMS. Mean sleep quality was significantly lower in patients with PLMS compared to those without PLMS (P < 0.05). There was no significant difference in terms of mean age, gender, arousal index (AI), ODI, and apnea/hypopnea between the two groups.
Conclusion: Patients with OSA with PLMS comorbidity have remarkably lower sleep quality and this finding is independent of the severity of arousals or respiratory events. Proper evaluation, diagnosis, and treatment of PLMS comorbidity in patients with OSA might improve treatment response. 

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IssueVol 7 No 1-2 (2022): Winter-Spring QRcode
SectionOriginal Article(s)
DOI https://doi.org/10.18502/jss.v7i(1-2).13210
Keywords
Periodic limb movement disorder; Obstructive sleep apnea; Polysomnography; Sleep quality

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How to Cite
1.
Saeidi M, Rezaeitalab F, Akhlaghi S, Kharaghani F, Sharara H, Abbasi M, Mahyad M. Periodic Limb Movements of Sleep: A Survey on Polysomnographic Characteristics of Patients with Obstructive Sleep Apnea. J Sleep Sci. 2023;7(1-2):16-21.