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  • Title: Restless Legs Syndrome in Adults in Peking Union Medical College Hospital.
    Author: Chen JH, Huang R, Luo JM, Xiao Y, Zhong X, Liu XQ.
    Journal: Zhongguo Yi Xue Ke Xue Yuan Xue Bao; 2016 Oct 10; 38(5):548-553. PubMed ID: 27825412.
    Abstract:
    Objective To investigate the clinical characteristics of restless legs syndrome (RLS) in adults in Peking Union Medical College Hospital and explore the sleep quality,fatigue degree,daytime sleepiness,disease severity,depression and anxiety of RLS patients.Methods Totally 4739 consecutive patients who visited the outpatient departments with any sleep complaint or leg discomforts were recruited in the study. Patients under 18 years were excluded. All participants answered RLS questionnaire. The subjects fulfilled all four criteria would be followed up and given advanced examinations to rule out secondary RLS and RLS mimics. Primary RLS patients were evaluated with International Restless Legs Scale (IRLS),Pittsburgh Sleep Quality Index (PSQI),Fatigue Severity Scale (FSS),Epworth Sleepiness Scale (ESS),and Hospital Anxiety and Depression Scale for depression and anxiety (HADD and HADA). Another two groups of age-and gender-matched healthy subjects and non-RLS insomnia patients were served as normal and non-RLS insomnia controls.Results There were 162 (3.42%,162/4739) subjects fulfilling all four criteria for RLS; 42 (0.89%,42/4739) subjects were diagnosed as primary RLS and 33 (0.70%,33/4739) as RLS mimics. In primary RLS patients,41(97.6%) were found to be with poor sleep,13 (31.0%) with anxiety,and 4(9.5%) with depression. The scores of PSQI(q=11.69,P=0.000),HADA(q=8.02,P=0.000),and HADD(q=6.60,P=0.000)in primary RLS patients were significantly higher than those in normal controls. The scores of FSS(q=3.74,P=0.001),ESS(q=2.97,P=0.012),and HADD(q=4.15,P=0.000) in primary RLS patients were significantly lower than those in non-RLS insomnia controls. The scores of HADA and HADD were significantly correlated with those of PSQI(r=0.340,P=0.028;r=0.383,P=0.012),FSS(r=0.445,P=0.003;r=0.511,P=0.001),and IRLS(r=0.477,P=0.001;r=0.578,P=0.000). Conclusions RLS should be considered in the patients with any sleep-related complaint or leg discomforts. Primary RLS patients suffer from bad sleep and are more susceptible to anxiety and depression. Secondary RLS and RLS mimics should be excluded before the diagnosis of primary RLS.
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