What question did this study set out to answer?

This study aims to evaluate the progression of bronchiectasis in stage E COPD patients over one year and identify contributing risk factors.

A Prospective Observational Study Evaluating the PRogression Of BronchiEctasis in COPD Patients - Results from the PROBE - COPD Study

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Observational study evaluates bronchiectasis progression in COPD patients, indicating significant adverse outcomes.

This study aims to evaluate the progression of bronchiectasis in stage E COPD patients over one year and identify contributing risk factors.
Patients with stage E COPD underwent high-resolution CT (HRCT) for bronchiectasis classification.
Participants were followed for 12 months with quarterly clinical evaluations and repeat HRCT.
Sputum culture and spirometry were performed at six months and one year, respectively.
Univariate analysis was used to explore predictors of progression.
33 out of 104 patients had bronchiectasis at baseline, with 22 (66.67%) showing progression after one year.
New bronchiectasis developed in 37 out of 71 patients who initially did not have it (52.1%).
Patients with bronchiectasis experienced more frequent exacerbations (84.8% vs. 75.8%) and higher hospitalisation rates (60.6% vs. 35.2%).

Venkitakrishnan et al. (2026) studied this question.

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