https://doi.org/10.4081/monaldi.2022.2167

Prevalence, risk factors and effects of restless legs syndrome in COPD patients

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Vol. 93 No. 1 (2023)
Submitted: December 13, 2021
Accepted: June 27, 2022
Published: July 4, 2022
Restless Leg Syndrome, COPD, Hypoxia
Abstract Views: 1421
PDF: 597
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Authors

Shweta Anand
https://orcid.org/0000-0001-5990-378X
Department of Pulmonary Medicine, ESI Post Graduate Institute of Medical Sciences & Research (ESI-PGIMSR), Basaidarapur, New Delhi, India.
Anshul Jain
https://orcid.org/0000-0003-1753-2735
Department of Pulmonary Medicine, ESI Post Graduate Institute of Medical Sciences & Research (ESI-PGIMSR), Basaidarapur, New Delhi, India.
Dipti Gothi
diptigothi@gmail.com
https://orcid.org/0000-0002-7386-8818
Department of Pulmonary Medicine, ESI Post Graduate Institute of Medical Sciences & Research (ESI-PGIMSR), Basaidarapur, New Delhi, India.
Sameer Vaidya
https://orcid.org/0000-0003-3467-2916
Department of Pulmonary Medicine, ESI Post Graduate Institute of Medical Sciences & Research (ESI-PGIMSR), Basaidarapur, New Delhi, India.
Rambabu Sah
Department of Pulmonary Medicine, ESI Post Graduate Institute of Medical Sciences & Research (ESI-PGIMSR), Basaidarapur, New Delhi, India.

Restless legs syndrome (RLS), a sensory motor disorder, is commonly seen amongst chronic obstructive pulmonary disease (COPD) patients. We conducted a study to know its prevalence in COPD and analyse the possible cause and effect of RLS. It is an analytical cross-sectional study conducted between July 2016-December 2020.The prevalence of RLS was evaluated in patients of COPD using RLS diagnostic criteria. Spirometry, iron profile and arterial blood gas analysis was performed in all the patients to evaluate the cause of RLS. The effect was evaluated with diagnostic criteria for insomnia and patient health questionnaire (PHQ2) for depression. There were 205 participants with a mean age of 59±8 years, 182 (88.7%) men and 23 (11.2%) women. The mean body mass index (BMI) was 29±3.9 kg/m2. The prevalence of RLS was 31.2%. RLS was more common amongst women compared to men (60.8% vs 27.4%). RLS was more prevalent among hypoxemic (PaO2<60 mm Hg) and hypercapnic (PaCO2>45 mm Hg) patients (p<0.016; p<0.017). The ROC curve plotted between PaO2 and RLS occurrence showed that the patients having PaO2 less than 76 mm of Hg were more prone to develop RLS. RLS patients had a higher incidence of insomnia as compared to those without RLS (68.8% vs 36.8%, p<0.001). COPD with RLS patients had more depressive symptoms with a higher patient health questionnaire 2 (PHQ2) score (35.9% vs 14.2%, p<0.001) compared to non-RLS COPD patients. The multiple regression analysis also confirmed that RLS led to insomnia and depressive symptoms in COPD patients. To conclude, RLS is common in COPD patients. RLS leads to insomnia and depression, thus should be identified and treated.

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How to Cite

Anand, Shweta, Anshul Jain, Dipti Gothi, Sameer Vaidya, and Rambabu Sah. 2022. “Prevalence, Risk Factors and Effects of Restless Legs Syndrome in COPD Patients”. Monaldi Archives for Chest Disease 93 (1). https://doi.org/10.4081/monaldi.2022.2167.
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