The Epidemiologial Study on the Welders' Pneumoconiosis among Shipyard Welders in Pusan Area

부산지역 조선업 용접공들의 진폐증에 관한 역학적 조사연구

  • Lee, C.U. (Dept. of Prev. Med. and Int. of Occup. Med., Inje unive., Coll. of Med.) ;
  • Lee, Jong-Tae (Dept. of Prev. Med. and Int. of Occup. Med., Inje unive., Coll. of Med.) ;
  • Shon, H.S. (Dept. of Prev. Med. and Int. of Occup. Med., Inje unive., Coll. of Med.) ;
  • Kim, S.C. (Dept. of Prev. Med. and Int. of Occup. Med., Inje unive., Coll. of Med.) ;
  • Pae, K.T. (Dept. of Prev. Med. and Int. of Occup. Med., Inje unive., Coll. of Med.) ;
  • Park, H.J. (Dept. of Prev. Med. and Int. of Occup. Med., Inje unive., Coll. of Med.) ;
  • Kim, Y.W. (Dept. of Prev. Med. and Int. of Occup. Med., Inje unive., Coll. of Med.) ;
  • Yun, I.G. (Department of Preventive Medicine, Catholic Medical College)
  • 이채언 (인제대학교 의과대학 예방의학교실) ;
  • 이종태 (인제대학교 의과대학 예방의학교실) ;
  • 손혜숙 (인제대학교 의과대학 예방의학교실) ;
  • 김성천 (인제대학교 의과대학 예방의학교실) ;
  • 배기택 (인제대학교 의과대학 예방의학교실) ;
  • 박형종 (인제대학교 의과대학 예방의학교실) ;
  • 김용완 (인제대학교 의과대학 예방의학교실) ;
  • 윤임중 (가톨릭 의과대학 예방의학교실)
  • Published : 1989.03.01

Abstract

Authors studied on the prevalence of 94 cases of pneumoconiosis who were found out through the screening test on 1,062 workers engaged in welding process at 36 shipyard in Pusan area from March 1st, 1986 to November 30th, 1986. The result were as follows; 1. Dust concentration was measured $4.49{\pm}0.54mg/m^3$ in the small scale shipyard while it was $6.25{\pm}1.08mg/m^3$ in the large one. 2. The prevalence of welder's lung was 8.9% (male:8.5%, female:12.0%) and this is consist of 4.9% suspected pneumoconiosis and 4.0% pneumoconiosis more than category 1/0. 3. The prevalence was significantly increased according to the duration of dust exposure(p<0.05), and it showed the increasing tendency by the age group. 4. The prevalence was significantly higher in the large scale shipyard than is the small scale one(p<0.01). 5. The type and shape of opacities were 71.4% of p type and 28.6% of q type, however no pneumoconiosis with r type observed in this study. 6. The main subjective symptoms were the sputum(29.8%), coughing(25.5%), shortness of breath(20.2%), fatique(6.4%), and chest pain(5.3%). In other hand, 57.4% of pneumoconiosis were asymptomatic. 7. The prevalence of pulmonary tuberculosis was radiologically 1.7% in all subjects including 5.3% in pneumoconiosis and 1.3% in no pneumoconiosis(p<0.01).

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