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ORIGINAL PAPER
 
CC BY-NC 3.0 Polska
 
 

Health effects of manganese exposures for welders in Qingdao City, China

Chunsheng Xu 1,  
Honglin Wang 1,  
 
1
Qingdao Municipal Center for Disease Control and Prevention, Qingdao, China (Department of Occupational Health)
2
Drexel University School of Public Health, Philadelphia, USA (Department of Environmental and Occupational Health)
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ABSTRACT:
Objectives: To document if manganese from welding causes health effects including neurological symptoms associated with manganese exposure. Material and Methods: An anonymous questionnaire survey for a total of 505 welders at 3 welding facilities in Qingdao City, China was administered and analyzed. Results: Numerous symptoms were reported by the welders including difficulty with eyes for 43% of them, sore throat for 30% of them, and tremors were reported by over 18% of them. Tremors were associated with longer periods of work as a welder and correlated with the relative cleanliness at the 3 different facilities. Tremors did not correlate with smoking. Conclusions: Manganese-exposed welders reported a variety of symptoms related to work and showed neurological disturbances that correlated with amount of exposure. Int J Occup Med Environ Health 2017;30(2)
CORRESPONDING AUTHOR:
Arthur L. Frank   
Drexel University School of Public Health, Department of Environmental and Occupational Health, 3215 Market Street, 7th Floor, Philadelphia, PA 19104, USA
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eISSN:1896-494X
ISSN:1232-1087