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Yang X, Liu B, Yang B, Li S, Wang F, Li K, Hu F, Ren H, Xu Z. Prevalence of restless legs syndrome in individuals with migraine: a systematic review and meta-analysis of observational studies. Neurol Sci 2018; 39:1927-1934. [PMID: 30116981 DOI: 10.1007/s10072-018-3527-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 08/05/2018] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Recent studies have shown an association between migraine and restless legs syndrome (RLS), but RLS prevalence among individuals with migraine differs substantially across studies. The present work aimed to comprehensively assess available evidence to estimate RLS prevalence among individuals with migraine and non-migraine controls. METHOD Web of Science, PubMed, Embase, Chinese National Knowledge Infrastructure, Wanfang, and SinoMed databases were searched for observational and case-control studies of RLS prevalence among individuals with migraine. Eligible studies were meta-analyzed using Stata 12.0 software. RESULTS Pooled RLS prevalence in migraine was 19%, and the prevalence was lower in Asia (16%) than outside Asia (21%). Pooled RLS prevalence was 18.8% among individuals with migraine with aura, and 18.5% among individuals with migraine without aura; the RLS prevalence in migraine with aura (MA) was higher than that of migraine without aura (MO) (OR 1.17, 95%CI 1.01-1.34; p = 0.037). Pooled RLS prevalence in a case-control study was significantly higher among individuals with migraine (17.9%) than among non-migraine controls (7.1%) (OR 2.65, 95%CI 2.26-3.10; p < 0.001). CONCLUSION Our meta-analysis provides the first reliable pooled estimate of RLS prevalence among individuals with migraine, and it provides strong evidence that RLS risk is higher among individuals with migraine than among controls.
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Affiliation(s)
- Xinglong Yang
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
| | - Bin Liu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
| | - Baiyuan Yang
- Department of Neurology, The Seventh People's Hospital of Chengdu, Chengdu, 650041, Sichuan, People's Republic of China
| | - Shimei Li
- Department of Anesthesia, Kunming Xishan District People's Hospital, Kunming, 650100, Yunnan, People's Republic of China
| | - Fang Wang
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
| | - Kelu Li
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
| | - Fayun Hu
- Department of Neurology, West China Hospital, SCU, Chengdu, 650041, Sichuan, People's Republic of China
| | - Hui Ren
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China.
| | - Zhong Xu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China.
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