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The Effect of Sleep Impairment, As Assessed by the CASIS Questionnaire, in Patients with Chronic Obstructive Pulmonary Disease on Disease Severity and Physical and Mental Health: A Cross-Sectional Study in Primary Care

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Journal Biomedicines
Date 2024 Aug 29
PMID 39200109
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Abstract

The aim of our study was to assess the prevalence of sleep impairment among primary care patients with COPD and explore its impact on disease severity and overall health status. This cross-sectional study included 251 participants > 40 years old from the prospective COCARE COPD study. Data on sociodemographic characteristics, medical history, disease-specific quality of life [COPD Assessment Test (CAT)], COPD severity [Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2023 categorization based on CAT score and exacerbations], fatigue [Fatigue Severity Scale (FSS)], psychological parameters [Patient Health Questionnaire-9 (PHQ-9) and General Anxiety Disorder-7 (GAD-7)], and sleep complaints [COPD and Asthma Sleep Impact Scale (CASIS) and Epworth Sleepiness Scale (ESS)] were collected. Multiple logistic regression analysis was conducted to test for associations of sleep impairment with COPD and overall health status, adjusting for confounders. Sleep impairment, indicated by a CASIS score ≥ 30, increased the risk of worse COPD health status (CAT ≥ 10 OR: 9.7, 95% CI: 5-19, < 0.001), COPD severity (GOLD B OR: 8.9, 95% CI: 4.5-17.6, < 0.001 and GOLD E OR: 17.4, 95% CI: 5.1-59.4, < 0.001), excessive daytime sleepiness (ESS > 10, OR: 3.2, 95% CI: 1.3-8.1, = 0.012), depressive symptoms (PHQ-9 ≥ 10, OR: 6.4, 95% CI: 2.1-19.1, = 0.001), anxiety symptoms (GAD-7 ≥ 10, OR: 3.9, 95% CI: 1.6-9.2, = 0.002), and fatigue (FSS ≥ 36, OR: 5.3, 95% CI: 2.8-9.8, < 0.001). In conclusion, our findings suggest that sleep impairment, based on the CASIS questionnaire, is associated with worse physical and mental health in patients with COPD. Therefore, through consistent evaluation of sleep and targeted management strategies, healthcare providers could improve the quality of life for these patients.

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