Abstract
Introduction
Bronchiectasis is a chronic condition that is becoming a global health concern.
Objective
To examine the effects of pulmonary rehabilitation (PR) on systemic inflammation, exercise capacity, and quality of life in participants with bronchiectasis.
Methods
Participants were randomized to receive PR (outpatient, three weekly sessions for 3 months) or control intervention (usual care + airway clearance therapy + breathing exercises). Data on laboratory (fibrinogen level) and patient-centered outcomes such as physical fitness [6-min walk test (6MWT)] and quality of life were collected.
Results
A total of 41 participants were evaluated (20 in the intervention group and 21 in the control group). The magnitude of change between baseline and the end of study was greater in the PR group than in the control group—the 6MWT distance increased by a mean of 54 m (54 vs 12 m; p < 0.01), fibrinogen showed a significant reduction (fibrinogen − 92.8 versus − 47.1 mg/dl; p < 0.01), and quality of life improved according to Saint George’s Respiratory Questionnaire (SGRQ) (− 7.5 vs 3.2; p < 0.01), which exceeded the minimal clinically important difference of 4 points.
Conclusion
PR effectively improved physical fitness, quality of life, and the degree of systemic inflammation, as reflected by changes in 6 MWT, fibrinogen levels and SGRQ scores. This study supports the inclusion of people with bronchiectasis in supervised PR programs.
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Funding
This study received financial support from the Brazilian Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES, Office for the Advancement of Higher Education; Funding Code 001). This study received financial support from the National Council for Scientific and Technological Development (CNPq) (Funding code 307328/2018-0).
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EP: Writing—original draft, Writing—review & editing, formal analysis. IL: Conceptualization, Methodology, supervision, ASA: original draft, formal analysis. MRFdF: Methodology, supervision, RM: Writing—review & editing. FL: Methodology, Writing—review & editing. All authors agree to take responsibility and be accountable for the contents of this article and to share responsibility to resolve any questions raised about the accuracy or integrity of the published work.
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This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Universidade Federal do Ceará (No. 1.844.662).
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Informed consent was obtained from all individual participants included in the study.
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Araújo, A.S., Figueiredo, M.R., Lomonaco, I. et al. Effects of Pulmonary Rehabilitation on Systemic Inflammation and Exercise Capacity in Bronchiectasis: A Randomized Controlled Trial. Lung 200, 409–417 (2022). https://doi.org/10.1007/s00408-022-00540-3
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DOI: https://doi.org/10.1007/s00408-022-00540-3