Tuberculosis and Respiratory Diseases

The Korean Academy of Tuberculosis and Respiratory Diseases (대한결핵및호흡기학회)
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Annual Changes of Lung Function in Retired Workers Exposed to Inorganic Dusts

과거 무기분진에 노출된 이직근로자들의 연간 폐기능 변화

  • Lee, Joung-Oh (Occupational lung Diseases Institute, Korea Workers' Compensation & Welfare Service) ;
  • Choi, Byung-Soon (Occupational lung Diseases Institute, Korea Workers' Compensation & Welfare Service) ;
  • Lee, Jong-Seong (Occupational lung Diseases Institute, Korea Workers' Compensation & Welfare Service) ;
  • Jeong, Jee-Yeon (Department of Environmental Health, Yongin University) ;
  • Lee, Hong-Ki (Korea Occupational Medicial Institute)
  • 이정오 (근로복지공단 직업성폐질환연구소) ;
  • 최병순 (근로복지공단 직업성폐질환연구소) ;
  • 이종성 (근로복지공단 직업성폐질환연구소) ;
  • 정지연 (용인대학교 환경보건학과) ;
  • 이홍기 (한국산업의학연구소)
  • Received : 2011.08.05
  • Accepted : 2011.09.28
  • Published : 2011.11.30
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Abstract

Background: The aim of this study was to investigate annual changes in pulmonary function in workers who were exposed to inorganic dust. Methods: The subjects were 2,922 male patients who had been diagnosed with pneumoconiosis more than twice during 6 years from 2005 to 2010. Results: Of the 2,922 cases, forced vital capacity (FVC) decreased by 54 mL in 1 year. In contrast, the annual change of forced expiratory volume in one second ($FEV_1$) decreased by 56 mL. Conclusion: This is the first study that has investigated the annual change in pulmonary function in workers exposed to inorganic dust. The results will help estimate the pulmonary condition of patients who are unable to perform a pulmonary function test due to age or a disorder.

Keywords

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