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Epidemiology of chronic obstructive pulmonary disease: a population-based study in Krasnoyarsk region, Russia

Authors Artyukhov IP, Arshukova IL, Dobretsova EA, Dugina TA, Shulmin AV, Demko IV

Received 19 December 2014

Accepted for publication 27 February 2015

Published 2 September 2015 Volume 2015:10(1) Pages 1781—1786

DOI https://doi.org/10.2147/COPD.S79601

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Richard Russell

Video abstract presented by Irina Arshukova

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Ivan P Artyukhov,1 Irina L Arshukova,2 Elena A Dobretsova,2 Tatyana A Dugina,2 Andrey V Shulmin,2 Irina V Demko3

1Department of Health Care Management, 2Department of Public Health and Health Care, 3Department of Internal Diseases, Krasnoyarsk State Medical University, Krasnoyarsk, Russia

Background: Krasnoyarsk region is a territory with the widespread risk factors for chronic obstructive pulmonary disease (COPD) such as tobacco smoke, air pollution, and occupational exposure. An assessment of COPD prevalence based on medical diagnosis statistics underestimates the true COPD prevalence. This study aims to evaluate how medical examinations may increase the accuracy of estimates of COPD prevalence.
Methods: True COPD prevalence was estimated as a number of patients with the established disease diagnosis supplemented by the additional disease cases detected during medical examinations per 1,000 inhabitants of the region. Official medical statistics data and the data collected from the Global Alliance against Chronic Respiratory Diseases program 2011 among 15,000 inhabitants of the region aged 18 years and older were analyzed.
Results: This study revealed the COPD cases without official medical diagnosis. The true prevalence of COPD is estimated to be two times higher than the prevalence estimates based on medical diagnosis statistics.
Conclusion: Undiagnosed and untreated cases of COPD result in severe COPD forms as well as addition of severe comorbidities. Because of this, there is an increase in the index of potential years of life lost. Conducting special medical examinations may increase the number of COPD cases detected at the early stages of the disease. This, in turn, may reduce the overall burden of the disease for the population of the region.

Keywords: chronic obstructive pulmonary disease, COPD, prevalence, epidemiology

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