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Pulmonary rehabilitation and sleep quality: a before and after controlled study of patients with chronic obstructive pulmonary disease.

ABSTRACT: Poor sleep quality is common in chronic obstructive pulmonary disease (COPD). It is associated with poor quality of life. Pulmonary rehabilitation (PR) improves quality of life, exercise capacity, and anxiety and depression. Its effect on sleep quality is uncertain.To determine whether PR improves sleep quality in COPD.A prospective controlled 'before and after' study of sleep quality in COPD patients attending a community PR programme was conducted. Sleep quality was measured using the Pittsburgh Sleep Quality Index (PSQI). Lung function, disease-specific quality of life (COPD assessment test--CAT), exercise capacity (incremental shuttle walk test--ISWT), and anxiety and depression (Hospital Anxiety and Depression Scale--HADS) were measured. Change in sleep quality was compared with a COPD control group.Twenty-eight participants completed PR. The control group comprised 24 patients. Prevalence of poor sleep quality (PSQI ≥5) was 78%. There were no differences between observation and control groups in sleep quality, age or severity. Quality of life was strongly correlated with quality of sleep (r=0.64, P<0.001). PR improved the quality of life (CAT change 3.0; 95% CI, 0.7-5.3), exercise capacity (ISWT change (metres) 81.0; 15.3-146.6), anxiety (HADS score ≥8: change 2.33; 0.45-4.22), and depression (HADS score ≥8: change 2.90; 1.92-3.88). PR did not improve sleep quality (PSQI mean change 0.79; -0.35 to 1.93).PR did not improve sleep quality in COPD despite improving quality of life, exercise capacity, anxiety and depression. New strategies, independent of PR, are required to improve sleep quality in COPD.

SUBMITTER: McDonnell LM

PROVIDER: S-EPMC4373390 | biostudies-other | 2014 Jul

REPOSITORIES: biostudies-other

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Project description:ObjectiveTo obtain evidence whether the online pulmonary rehabilitation(PR) programme 'my-PR' is non-inferior to a conventional face-to-face PR in improving physical performance and symptom scores in patients with COPD.DesignA two-arm parallel single-blind, randomised controlled trial.SettingThe online arm carried out pulmonary rehabilitation in their own homes and the face to face arm in a local rehabilitation facility.Participants90 patients with a diagnosis of chronic obstructive pulmonary disease (COPD), modified Medical Research Council score of 2 or greater referred for pulmonary rehabilitation (PR), randomised in a 2:1 ratio to online (n=64) or face-to-face PR (n=26). Participants unable to use an internet-enabled device at home were excluded.Main outcome measuresCoprimary outcomes were 6 min walk distance test and the COPD assessment test (CAT) score at completion of the programme.InterventionsA 6-week PR programme organised either as group sessions in a local rehabilitation facility, or online PR via log in and access to 'myPR'.ResultsThe adjusted mean difference for the 6 min walk test (6MWT) between groups for the intention-to-treat (ITT) population was 23.8 m with the lower 95% CI well above the non-inferiority threshold of -40.5 m at -4.5 m with an upper 95% CI of +52.2 m. This result was consistent in the per-protocol (PP) population with a mean adjusted difference of 15 m (-13.7 to 43.8). The CAT score difference in the ITT was -1.0 in favour of the online intervention with the upper 95% CI well below the non-inferiority threshold of 1.8 at 0.86 and the lower 95% CI of -2.9. The PP analysis was consistent with the ITT.ConclusionPR is an evidenced-based and guideline-mandated intervention for patients with COPD with functional limitation. A 6-week programme of online-supported PR was non-inferior to a conventional model delivered in face-to-face sessions in terms of effects on 6MWT distance, and symptom scores and was safe and well tolerated.

Project description:Purpose:Pulmonary rehabilitation (PR) is a well-established treatment for chronic obstructive pulmonary disease (COPD). The standard protocol for PR requires frequent hospital visits, which can be difficult for patients. We performed this study to assess whether unsupervised home-based PR (HBPR) is effective for patients with COPD. Patients and Methods:After assessing the outcome data, including the results of a COPD assessment test (CAT); the body mass index, airflow obstruction, dyspnea, and exercise capacity (BODE) index; a spirometry; the modified Medical Research Council (mMRC) dyspnea scale; and the 6-min walking test (6MWT), specialists imparted 1-hour education to patients regarding unsupervised HBPR at the baseline visit. This included methods for breathing, inhaler use, stretching, and exercise. On reviewing diaries after 8 weeks from the first visit, patients who exercised at least thrice per week were classified as the compliant group and the others were categorized as the noncompliant group. Changes in the outcomes were compared between the compliant and noncompliant groups. Results:A total of 41 patients were enrolled in this study; for 8 weeks of unsupervised HBPR, there were significant improvements in CAT scores (-4.62±4.61 vs 2.40±6.73; P=0.002), BODE index (-1.00±1.06 vs -0.20±0.56; P=0.01), and forced expiratory volume in 1 s (0.05±0.19 vs -0.09±0.16; P=0.02) among patients in the compliant group, compared with the noncompliant group. Moreover, their CAT (16.46±7.80 vs 11.85±7.23; P=0.03) and mMRC scores (2.54±0.76 vs 1.81±0.63; P=0.001) improved significantly after 8 weeks, compared with those at baseline. On the other hand, patients in the noncompliant group showed no significant improvement in any of the outcomes. Conclusion:In this study, compliant patients with unsupervised HBPR achieved favorable outcomes in 8 weeks. Thus, we recommend unsupervised HBPR for patients with COPD, even when regular hospital visits for PR are not possible. Trial Registration:NCT03754881.

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Pulmonary rehabilitation and sleep quality: a before and after controlled study of patients with chronic obstructive pulmonary disease.

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