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Lung Function in Workers at Small Foundries
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Se Yeong Kim, Jung Il Kim, Ji Hyeon Jung, Suk Hwan Choi, Kap Yeol Jung
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Korean Journal of Occupational and Environmental Medicine 2011;23(3):317-323. Published online September 30, 2011
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DOI: https://doi.org/10.35371/kjoem.2011.23.3.317
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 Abstract
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- OBJECTIVES
This study investigated lung function in workers exposed to dusts, fumes and noxious gases at small foundries.
METHODS
Lung function was measured in 148 male workers from 12 small foundries and 202 unexposed male workers. Pulmonary function tests performed included: forced vital capacity (FVC), forced expiratory volume in one second (FEV1), percent of FEV1/FVC (FEV1/FVC%), maximum mid-expiratory flow (MMEF), peak expiratory flow (PEF), and forced expiratory flow at 25, 50, and 75% of expired FVC (FEF25, 50, 75).
RESULTS
Mean values of all ventilatory indices except FEF25 of foundry workers were significantly lower than those of controls. Specifically, following stratification by smoking habits, all ventilatory indices except FEF25 of foundry workers were significantly lower than those of controls who smoked; however, there were no significant differences observed in any ventilatory indices between nonsmoking exposed workers and controls. The results of multiple linear regression analysis indicated work duration as a significant predictor of a decrease in FVC%.
CONCLUSIONS
This research indicates that combined occupational exposure to dust, fumes, and gases in small foundries is associated with a reduction in lung function. Smoking may also contribute to respiratory abnormalities. These results suggested that foundry workers should be required to undergo periodic lung function tests and-in addition to not smoking, efficient use of personal protection equipment while at work is recommended.
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Citations
Citations to this article as recorded by  - Cause-Specific Mortality Due to Malignant and Non-Malignant Disease in Korean Foundry Workers
Jin-Ha Yoon, Yeon-Soon Ahn, Suminori Akiba
PLoS ONE.2014; 9(2): e88264. CrossRef - Pulmonary function decline in firefighters and non-firefighters in South Korea
Ju-Hwan Choi, Jae-Hong Shin, Mi-Young Lee, In-Sung Chung
Annals of Occupational and Environmental Medicine.2014;[Epub] CrossRef
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