Association of German Bronchiectasis Registry participation with disease course

Résumé fourni par la source

Background Bronchiectasis research has advanced significantly through international and national registries, such as the European Multicentre Bronchiectasis Audit and Research Collaboration (EMBARC) registry, revealing crucial insights into the disease's heterogeneous nature. These efforts underscore the importance of precise patient phenotyping and the identification of underlying causes to improve management and outcomes in bronchiectasis. Methods The prospective, non-interventional PROGNOSIS registry has collected data from over 1500 computed tomography-confirmed adult bronchiectasis patients across 38 German sites, excluding those with cystic fibrosis or lung transplants. Aligned with the EMBARC registry, it ensures comprehensive clinical data collection. Statistical analyses of baseline and follow-up data aims to assess disease progression and patient outcomes. Results Key outcomes include a reduction in median (interquartile range (IQR)) exacerbations (2 (1–4) to 1 (1–3); p<0.001) and hospitalisations (1 (1–2) to 1 (1–1); p<0.001), demonstrating an improvement in managing the disease during patients’ participation in the registry. Lung function (median (IQR) forced expiratory volume in 1 s % pred 73% (51–90%) to 73% (52–92%); p=0.6) remained stable over time, contradicting the expected decline in such chronic lung conditions. There was a significant decrease in active smokers (4.4% to 3.6%; p<0.001), and improvements were seen in sputum quantity and quality. There was an increase in the detection of pathogens, particularly Pseudomonas aeruginosa (32% to 36%; p<0.001). Notable shifts in the underlying causes of bronchiectasis were observed over the registry period, including a decrease in idiopathic cases (35% to 28%; p<0.001) and an increase in cases with a proven aetiology. Conclusion The PROGNOSIS registry highlights the critical role of comprehensive management in bronchiectasis, emphasising infection control and treatment adherence. It underscores the need for personalised treatment by identifying the underlying aetiology and reinforces the ongoing importance of research in improving patient care and quality of life.

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