Features of Chronic Bronchitis in Different Age Groups

G.L. Ignatova, PhD, ScD; I.A. Zakharova, PhD; A.S. Sarsenbayeva, PhD, ScD; O.V. Rodionova, PhD; I.V. Grebneva, PhD ; I.V. Drozdov, PhD; E.V. Blinova, PhD; O.L. Minakina, PhD; V.N. Antonov PhD; M.S. Belsner, PG; I.A.Pustovalova, PG

South Ural State Medical University; Chelyabinsk, Russian Federation

*Corresponding author:  Inna Zakharova, PhD. South Ural State Medical University. Chelyabinsk, 454021, Russian Federation.  E-mail: zaharowa.inna2012@yandex.ru

Published: March 25, 2014.


Background: Lung diseases are assuming greater relevance and importance today. Chronic bronchitis is a self-nosology, which may precede the development of COPD, the importance of which can hardly be overestimated. The main problem in this disease is caused by late diagnosis and treatment due to the delay by patients in seeking medical help. The aim of the work was to study the distribution and exposure to tobacco smoke, especially chronic bronchitis, depending on various factors, including age.

Methods: We examined 1779 persons, including 855 men and 924 women. The mean age of the population was 35.83±8.3 years. We conducted surveys and spirometry. The outcome was assessed after a bronchodilation test was performed with salbutamol 400 mcg. We performed all statistical analysis using software package Statistica 10.

Results: We identified chronic bronchitis in 9.2% of the cases in the group of younger individuals and in 14.9% of the cases in the group of older individuals, during the active detection of chronic bronchitis using questionnaires. The prevalence of cigarette smoking was slightly higher among the younger (39.5%) than the older persons (33.6%); the frequency of smoking in a group of chronic bronchitis was reliably higher. Also, in this group, the performance spirometry reliably decreased.

Conclusions: Outpatient survey is an effective method of identifying chronic bronchitis. Smoking is a major risk factor in the group of young respondents and the prevalence of smoking is inversely related to the education level of the respondents, regardless of age. As the decline in the Forced Expiratory Volume (FEV1 and FEV1/FVC) is the main criterion diagnosis of COPD, it revealed significant declines in the FEV1 of the younger smoking individuals, which may help to predict the development of COPD in the older age group.

Smoking; chronic bronchitis; education; spirometry
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Int J Biomed. 2014; 4(1):15-18. © 2014 International Medical Research and Development Corporation. All rights reserved.