Association Between Multiple Heavy Metal Exposures and Cholesterol Levels in Residents Living Near a Smelter Plant in Koreaopen accessAssociation Between Multiple Heavy Metal Exposures and Cholesterol Levels in Residents Living Near a Smelter Plant in Korea
- Authors
- Moon, Sun-In; Yim, Dong-Hyuk; Choi, Kyunghi; Eom, Sang-Yong; Choi, Byung-Sun; Park, Jung-Duck; Kim, Heon; Kim, Yong-Dae
- Issue Date
- Mar-2024
- Publisher
- KOREAN ACAD MEDICAL SCIENCES
- Keywords
- BKMR Analysis; Dyslipidemia; Heavy Metals; Refinery Plant
- Citation
- Journal of Korean medical science, v.39, no.8, pp 1 - 14
- Pages
- 14
- Journal Title
- Journal of Korean medical science
- Volume
- 39
- Number
- 8
- Start Page
- 1
- End Page
- 14
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/73053
- DOI
- 10.3346/jkms.2024.39.e77
- ISSN
- 1011-8934
1598-6357
- Abstract
- BACKGROUND: Considering the interactions between heavy metals, a comprehensive evaluation of the effects of exposure to various types of co-interacting heavy metals on health is required. This study assessed the association between dyslipidemia markers and blood mercury, lead, cadmium, iron, zinc, and nickel levels in residents of an abandoned refinery plant. METHODS: A total of 972 individuals (exposed group: 567, control group: 405) living near the Janghang refinery plant in the Republic of Korea were included. Blood mercury, lead, cadmium, iron, zinc, nickel, cholesterol, and triglyceride levels were measured. The combined effect of the six heavy metals on dyslipidemia markers was evaluated using a Bayesian kernel machine regression (BKMR) model and compared with the results of a linear regression analysis. The BKMR model results were compared using a stratified analysis of the exposed and control groups. RESULTS: In the BKMR model, the combined effect of the six heavy metals was significantly associated with total cholesterol (TC) levels both below the 45th percentile and above the 55th percentile in the total population. The combined effect range between the 25th and 75th percentiles of the six metals on TC levels was larger in the exposed group than that in the total population. In the control group, the combined effects of the changes in concentration of the six heavy metals on the TC concentration were not statistically significant. CONCLUSION: These results suggest that the cholesterol levels of residents around the Janghang refinery plant may be elevated owing to exposure to multiple heavy metals. © 2024 The Korean Academy of Medical Sciences.
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