Surveillance of chronic obstructive pulmonary disease in high-risk individuals by using regional lung cancer mass screening
Authors Sekine Y, Yanagibori R, Suzuki K, Sugiyama S, Yamaji H, Ishibashi M, Fujisawa T
Received 6 February 2014
Accepted for publication 9 April 2014
Published 23 June 2014 Volume 2014:9(1) Pages 647—656
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 3
Yasuo Sekine, Ryoko Yanagibori, Kiminori Suzuki, Sonomi Sugiyama, Haruko Yamaji, Michiko Ishibashi, Takehiko Fujisawa
Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
Background and objective: Patients with chronic obstructive pulmonary disease (COPD) are at risk for lung cancer; the diseases have common etiologies, including cigarette smoking. We aimed to clarify the effectiveness of COPD detection using a regional mass-screening program for lung cancer.
Materials and methods: A total of 7,067 residents of Togane, Chiba, Japan received lung cancer screening between May and July, 2011. We defined four groups of possible COPD candidates: group A (n=358), positive smoking history, positive chronic respiratory symptoms; group B (n=766), positive smoking history, positive lifestyle-related disease; group C (n=75), passive smoking history, positive chronic respiratory symptoms; and group D (n=301), passive smoking history, positive lifestyle-related disease. Candidates underwent on-site pulmonary function testing (PFT).
Results: The criteria for COPD candidates were fulfilled in 1,686 of 7,067 individuals (23.9%); 1,500 participants underwent PFT (89%), and 171 (11.4%) were diagnosed with COPD. The overall COPD detection rate was 2.4%. The frequency of COPD was significantly higher in groups A and B than in groups C and D (P=0.048); however, the distribution of COPD grades was similar among the groups (P=0.372). Multiple logistic regression analysis identified male sex, age 60 years or greater, and positive smoking history as risk factors for COPD.
Conclusion: COPD screening using a community-based lung cancer-screening program may be effective for disease detection. Individuals who are 60 years of age or older with a positive smoking history should undergo PFT to detect COPD.
Keywords: chronic obstructive pulmonary disease, lung neoplasms, mass screening, respiratory function tests
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