Symptoms of chronic bronchitis in individuals without chronic obstructive pulmonary disease : prevalence, burden, and risk factors in southern Poland
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dc.type
JournalArticle
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dc.description.physical
677-684
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dc.abstract.en
Chronic bronchitis (CB) symptoms are commonly reported in individuals without chronic
obstructive pulmonary disease (COPD), but CB is rarely diagnosed in this population. We aimed to determine the prevalence and burden of CB, as well as its risk factors, in
a population of patients without COPD. Data from the "Health Action" program (a lung cancer prevention and health
care improvement program conducted in Proszowice County, Poland) were used. All county inhabitants
aged 40 years or older without COPD were invited to participate. As part of the program, a questionnaire
was administered to assess CB symptoms and risk factors. Spirometry at baseline and after the bronchodilator
test was also performed. CB symptoms were present in 9.1% of the 3558 participants. The prevalence of CB in the study
population was 7.12% (95% CI, 6.70-7.56). Patients with CB had more dyspnea and more often received
medical treatment for lung disease or were hospitalized for respiratory disorders than patients without
CB. CB was associated with worse lung function and a worse score in the modified Medical Research
Council Dyspnea Scale even after adjustment for possible confounders. In a multivariate analysis, male
sex, age over 70 years, current smoking, passive exposure to tobacco smoke, gas or wood heating,
occupational exposure to chemical agents, lower forced expiratory volume in 1 second, and asthma
correlated with an increased risk of CB. CB symptoms are common in individuals without COPD aged 40 years or older and are
associated with more dyspnea irrespective of lung function and comorbidities.
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dc.subject.en
chronic bronchitis
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dc.subject.en
epidemiology
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dc.subject.en
Poland
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dc.subject.en
prevalence
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dc.description.volume
128
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dc.description.number
11
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dc.description.points
30
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dc.identifier.doi
10.20452/pamw.4347
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dc.identifier.eissn
1897-9483
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dc.title.journal
Polskie Archiwum Medycyny Wewnętrznej = Polish Archives of Internal Medicine
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dc.language.container
eng
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dc.affiliation
Wydział Lekarski : II Katedra Chorób Wewnętrznych im. Profesora Andrzeja Szczeklika
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dc.affiliation
Wydział Lekarski : Klinika Pulmonologii
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dc.subtype
Article
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dc.rights.original
CC-BY-NC-SA; otwarte czasopismo; ostateczna wersja wydawcy; w momencie opublikowania; 0
Except where otherwise noted, this item's license is described as Udzielam licencji. Uznanie autorstwa - Użycie niekomercyjne - Na tych samych warunkach 4.0 Międzynarodowa