Abstract:
BACKGROUND:Previous studies have shown a high prevalence of bronchiectasis in patients with moderate to severe COPD. However, the factors associated with bronchiectasis remain unknown in these patients. The objective of this study is to identify the factors associated with bronchiectasis in patients with moderate to severe COPD. METHODS:Consecutive patients with moderate (50% < FEV(1) ≤ 70%) or severe (FEV(1) ≤ 50%) COPD were included prospectively. All subjects filled out a clinical questionnaire, including information about exacerbations. Peripheral blood samples were obtained, and lung function tests were performed in all patients. Sputum samples were provided for monthly microbiologic analysis for 6 months. All the tests were performed in a stable phase for at least 6 weeks. High-resolution CT scans of the chest were used to diagnose bronchiectasis. RESULTS:Ninety-two patients, 51 with severe COPD, were included. Bronchiectasis was present in 53 patients (57.6%). The variables independently associated with the presence of bronchiectasis were severe airflow obstruction (OR, 3.87; 95% CI, 1.38-10.5; P = .001), isolation of a potentially pathogenic microorganism (PPM) (OR, 3.59; 95% CI, 1.3-9.9; P = .014), and at least one hospital admission due to COPD exacerbations in the previous year (OR, 3.07; 95% CI, 1.07-8.77; P = .037). CONCLUSION:We found an elevated prevalence of bronchiectasis in patients with moderate to severe COPD, and this was associated with severe airflow obstruction, isolation of a PPM from sputum, and at least one hospital admission for exacerbations in the previous year.
journal_name
Chestjournal_title
Chestauthors
Martínez-García MÁ,Soler-Cataluña JJ,Donat Sanz Y,Catalán Serra P,Agramunt Lerma M,Ballestín Vicente J,Perpiñá-Tordera Mdoi
10.1378/chest.10-1758subject
Has Abstractpub_date
2011-11-01 00:00:00pages
1130-1137issue
5eissn
0012-3692issn
1931-3543pii
S0012-3692(11)60577-1journal_volume
140pub_type
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