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Chronic pulmonary disease is associated with pain spreading and restless legs syndrome in middle-aged women-a population-based study
Univ Gothenburg, Sahlgrenska Acad, Ctr Sleep & Vigilance Disorders, Gothenburg, Sweden.
Univ Gothenburg, Sahlgrenska Acad, Ctr Sleep & Vigilance Disorders, Gothenburg, Sweden; Akademiska Univ Hosp, Pain Ctr, Uppsala, Sweden.ORCID iD: 0000-0001-6461-7868
Univ Gothenburg, Sahlgrenska Acad, Ctr Sleep & Vigilance Disorders, Gothenburg, Sweden; Sahlgrens Univ Hosp, Sleep Disorders Ctr, Dept Resp Dis, Gothenburg, Sweden.
Circadian Hlth, Nora, Sweden.
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2019 (English)In: Sleep and Breathing, ISSN 1520-9512, E-ISSN 1522-1709, Vol. 23, no 1, p. 135-142Article in journal (Refereed) Published
Abstract [en]

Introduction: Recent studies suggest an increased prevalence of chronic pain conditions and restless legs syndrome (RLS) in patients with chronic pulmonary disease (CPD). We analyzed the prevalence and risk factors for pain and RLS in a population-based sample of females with comorbid CPD.

Method: Questionnaire-based data from 2745 women aged 18–64 years were analyzed regarding comorbid CPD status (severe bronchitis, emphysema, asthma). Pain status was assessed according to symptoms reflecting severity (Visual Analogue Scale, VAS rating 0–10) and duration and spreading (limited spread or widespread) of pain. A diagnosis of RLS was defined by four validated diagnostic criteria. Anthropometrics and co-morbidities were assessed as covariates in univariate and multivariate analyses.

Results: Widespread pain was overrepresented in women with CPD (44.6 vs. 24.6%, p < 0.001). The odds ratio for widespread pain in women with CPD was 1.6 (95% confidence interval (CI) 1.2–2.2, p < 0.001) in the fully adjusted model. Severe pain (VAS rating ≥ 7) was more prevalent in females with known CPD (28.8 vs. 15.4%, p < 0.001, odd ratio 1.4 (95% CI 1.0–1.9, p = 0.029)). The prevalence of RLS was 37.4 and 23.8% in subjects with or without CPD, respectively (p < 0.001). In multivariate analysis, CPD was associated with a 30% risk increase for RLS (odds ratio 1.3 (95% CI 1.0–1.7, p = 0.04)).

Conclusion: This population-based study identified CPD as an independent risk factor for severe and widespread pain as well as for RLS. Further research addressing pathophysiological mechanisms linking CPD and chronic pain conditions/RLS is warranted.

Place, publisher, year, edition, pages
2019. Vol. 23, no 1, p. 135-142
Keywords [en]
Restless legs syndrome, Chronic widespread pain, Hypoxia, Pulmonary disease, Sleep disorder
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General Practice
Identifiers
URN: urn:nbn:se:uu:diva-374441DOI: 10.1007/s11325-018-1673-zISI: 000462650800015PubMedID: 29869108OAI: oai:DiVA.org:uu-374441DiVA, id: diva2:1280982
Funder
Swedish Heart Lung Foundation, 20120811; 20160584Available from: 2019-01-21 Created: 2019-01-21 Last updated: 2019-04-24Bibliographically approved

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