Effectiveness of exercise training in people with non-cystic fibrosis bronchiectasis with and without COPD.
Michele Vitacca, Mara Paneroni, Antonio Spanevello and 6 others
PMID 41868961WHAT IT FOUND
The study did not find a difference in six-minute walk distance improvement between the groups after a program of daily supervised physical training, airway clearance when needed, medication optimization, education, nutritional programs and psychosocial counseling when appropriate.
Both groups improved.
Key findings
01The reported six-minute walk distance was 400 m before and 430 m after in the non-COPD group, and 300 m before and 350 m after in the COPD group; the change between groups was not different.
02Dyspnea measured by the Barthel dyspnea item improved more in the COPD group, but the proportion reaching the minimal clinically important difference was 42.1% without COPD and 48.6% with COPD and was not different.
03The largest proportion reaching the minimal clinically important difference was for CAT (90.9% without COPD and 87.8% with COPD), and the smallest was for SPPB (39.2% without COPD and 46.6% with COPD); the differences between groups were not different.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
The study was retrospective and observational, and it did not adjust for potential confounders, so it cannot prove that the program caused the changes. Only 1,471 of 2,673 participants with bronchiectasis were analysed because pre and post walk data were required, so missing data could affect the results. Both groups received the same multi-component program, so the study cannot separate the contribution of physical training from airway clearance, medication optimization, education, nutrition or psychosocial counseling. Diagnoses were based on ICD codes rather than physiological measurements such as lung function, blood gases or CT scans. The ten-year study period may have introduced differences in practice or population characteristics over time. The study assessed short-term effects only, so long-term maintenance of benefits is not shown.
The easy way to misread this
Do not conclude that exercise training alone caused the improvement. The patients also received airway clearance when required, medication optimization, education, nutritional programs and psychosocial counseling when appropriate, and the study cannot separate the contribution of any single component.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →