The Association Between Vitamin D Level and Restless Legs Syndrome: A Population-Based Case-Control Study.

Autor:	Wali S; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia., Alsafadi S; Family and Community Medicine Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia., Abaalkhail B; Family and Community Medicine Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia., Ramadan I; Family and Community Medicine Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia., Abulhamail B; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia., Kousa M; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia., Alshamrani R; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia., Faruqui H; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia., Faruqui A; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia., Alama M; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia., Hamed M; Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia.
Jazyk:	angličtina
Zdroj:	Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine [J Clin Sleep Med] 2018 Apr 15; Vol. 14 (4), pp. 557-564. Date of Electronic Publication: 2018 Apr 15.
DOI:	10.5664/jcsm.7044
Abstrakt:	Study Objectives: The pathophysiology of restless legs syndrome (RLS) may be related to abnormalities in central dopamine pathways. Vitamin D may play a role in the pathophysiology of RLS by modulating the dopaminergic system. The aim of our study is to examine the possible link between RLS and vitamin D deficiency. Methods: The total number of subjects enrolled was 201, including 78 patients with RLS based on the International RLS Study Group (IRLSSG) diagnostic criteria and 123 controls. Serum 25-hydroxy vitamin D levels were measured in both groups. RLS severity was assessed in all cases using the IRLSSG symptom severity rating scale. Results: Fifty-nine patients with RLS (75.6%) and 52 controls (42.3%) had a diagnosis of vitamin D deficiency, P < .001. The odds ratio (OR) of the development of RLS was 4.24 for those with a vitamin D level < 50 nmol/L compared to those with a vitamin D level ≥ 50 nmol/L ( P < .001, 95% confidence interval [CI] 2.3-7.9). After adjusting for all other significant factors in the multivariate logistic model, vitamin D was significantly associated with RLS (OR 3.1, P < .002, 95% CI 1.51-6.38). Moreover, a dark or black skin color (OR 3.4, P < .001, 95% CI 1.5-6.3) and working as a teacher (OR 8.8, P < .001, 95% CI 3.4-23.5) were also independently significantly associated with RLS. Conclusions: Our study identified an association between vitamin D deficiency and RLS. Consequently, vitamin D deficiency should be considered in the management of RLS. However, further studies are needed to evaluate the causality relationship between vitamin D level and RLS. (© 2018 American Academy of Sleep Medicine.)
Databáze:	MEDLINE
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