期刊
INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE
卷 10, 期 -, 页码 389-397出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/COPD.S75840
关键词
Pittsburgh Sleep Quality Index; SF-36; St George's Respiratory Questionnaire
资金
- Division of Lung Diseases of the National Heart, Lung, and Blood Institute
- National Institutes of Health
- General Clinical Research Center (GCRC) [RR02635]
- GCRC [RR00051, RR00425, RR16500, RR00056]
- [HL074428]
- [HL074409]
- [HL074407]
- [1U10-HL074416]
- [HL074408]
- [HL074418]
- [1U10-HL074431]
- [HL074441]
- [HL074422]
- [HL074439]
- [1U10-HL074424]
Background: Many patients with chronic obstructive pulmonary disease (COPD) suffer from poor sleep quality. We hypothesized that poor sleep quality in otherwise stable patients predicted exacerbations in these patients. Methods: This is a secondary analysis of the results of a previously published randomized trial of azithromycin in 1,117 patients with moderate to severe COPD who were clinically stable on enrollment. Sleep quality was measured using the Pittsburgh Sleep Quality Index. Other quality of life indices included the Medical Outcome Study 36-item Short Form Health Survey and the St Georges Respiratory Questionnaire. Outcomes included time to first exacerbation and exacerbation rate. Results: Sleep quality was poor (Pittsburgh Sleep Quality Index. 5) in 53% of participants but was not related to age or severity of airflow obstruction. Quality of life scores were worse in poor sleepers than in good sleepers. Major classes of comorbid conditions, including psychiatric, neurologic, and musculoskeletal disease, were more prevalent in the poor sleepers. Unadjusted time to first exacerbation was shorter (190 versus 239 days) and exacerbation rate (1.7 versus 1.37 per year) was greater in the poor sleepers, but no differences were observed after adjusting for medications and comorbid conditions associated with poor sleep. Conclusion: Poor sleepers had greater exacerbation rates than did good sleepers. This appeared to be due largely to them having more, or more severe, concomitant medical conditions and taking more medications.
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