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- W2017783006 abstract "Chronic bronchitis (CB) in chronic obstructive pulmonary disease (COPD) patients is associated with increased mortality, frequent exacerbations and faster disease progression. This study investigates the prevalence of CB in a large population of COPD patients to identify features associated with CB.Cross-sectional multicentre study in patients with Global Initiative for Chronic Obstructive Lung Disease (GOLD) stages 2-4 from Belgium and Luxembourg.The 974 patients included were on average 67.8 ± 9.6 years old; 72% were male, FEV1 was 52.5 ± 15.8% of predicted. The prevalence of CB was 64% (622/974). In patients with CB, the number of pack-years smoked and the prevalence of chronic respiratory failure, cachexia and skeletal muscle wasting were significantly higher, whereas FEV1 and FEV1 /VC were lower. The prevalence of CB increased with GOLD stage and was higher in patients with emphysema and those exposed to occupational risk factors. The CB group had more exacerbations, a higher percentage of patients with frequent exacerbations (37.3% vs. 14.2% of patients; p < 0.0001), increased COPD-related, non-intensive care unit hospitalisations and all-cause hospitalisation rates. In multiple logistic regression analysis, frequent exacerbation was the most important independent variable associated with CB, followed by current smoking, chronic respiratory failure, COPD duration and age.CB prevalence in GOLD stage 2-4 COPD patients is high. CB is related to current tobacco smoking, and prevalence increases with COPD severity and duration, emphysema and age. CB could be the hallmark of a subtype of COPD easy to identify in clinical practice, associated with increased disease severity and increased risk of exacerbation." @default.
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- W2017783006 date "2013-11-19" @default.
- W2017783006 modified "2023-09-27" @default.
- W2017783006 title "Chronic bronchitis in COPD patients is associated with increased risk of exacerbations: a cross-sectional multicentre study" @default.
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- W2017783006 doi "https://doi.org/10.1111/ijcp.12248" @default.
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