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- Title
Prevalence of active and passive smoking in a population of patients with asthma.
- Authors
Dias-Júnior, Sérvulo Azevedo; Pinto, Regina Carvalho; Angelini, Luciene; Fernandes, Frederico Leon Arrabal; Cukier, Alberto; Stelmach, Rafael
- Abstract
Smoking causes an intense inflammatory reaction in the airways and is associated with worse clinical outcomes in patients with asthma. The objective of this study was to determine the prevalence of active and passive smoking in a population of patients with asthma. The sample of asthma patients (n = 100) consisted of 47 nonsmokers, 33 former smokers, 17 passive smokers and 3 active smokers. Most had moderate or severe asthma. Mean exhaled CO was 9.34 ppb in smokers, 4.19 ppb in passive smokers, 3.98 ppb in nonsmokers and 3.98 ppb in former smokers. We conclude that the prevalence of exposure to tobacco smoke is high among asthma patients.
- Publication
Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia, 2009, Vol 35, Issue 3, p261
- ISSN
1806-3756
- Publication type
Journal Article
- DOI
10.1590/s1806-37132009000300011