Annals of Occupational and Environmental Medicine

Research Article

The association between mercury concentrations and lipid profiles in the Korean National Environmental Health Survey (KoNEHS) cycle 3: Soo Ho Sohn, Han Cheol Heo, Seongmin Jo, Chulyong Park, Joon Sakong; Ann Occup Environ Med 2020;32:e19. Published online June 22, 2020; DOI: https://doi.org/10.35371/aoem.2020.32.e19

Background

High concentrations of mercury intake from seafood are known to cause various side effects in humans, including on the nervous system. Various studies have reported the effects of mercury concentrations in humans; however, the association between dyslipidemia, a cardiovascular disease risk factor, and mercury remains controversial. Therefore, this study aimed to investigate the association between mercury accumulation and cholesterol concentrations in a Korean population.

Methods

We analyzed data of a sample of 3,228 respondents obtained from the Korean National Environmental Health Survey cycle 3, surveyed between 2015 and 2017, to determine how lipid profiles changed according to the blood mercury concentrations (BHg) and urine mercury concentrations (UHg). Multiple regression analysis was used to determine the effects of mercury concentrations among various factors affecting blood cholesterol levels.

Results

The arithmetic mean (AM) of BHg was 2.91 (2.81–3.02) μg/L, and the geometric mean (GM) was 2.71 (2.59–2.85) μg/L. The AM of UHg was 0.52 (0.48–0.56) μg/L, and the GM was 0.35 (0.33–0.38) μg/L. Lipid profiles were more related to the BHg than to the UHg. Total cholesterol (total-C), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) levels increased significantly as BHg increased in males, and total-C, triglyceride, and LDL-C levels increased significantly in females. Multiple regression analysis indicated that BHg were significantly associated with total-C, HDL-C, and LDL-C levels.

Conclusions

We found an association between mercury exposure and the risk of dyslipidemia; however, further studies are required to elucidate a causal association.

Citations

Citations to this article as recorded by

Do blood metals influence lipid profiles? Findings of a cross-sectional population-based survey
Sabit Cakmak, Kimberly Mitchell, Anna Lukina, Robert Dales
Environmental Research.2023; 231: 116107. CrossRef
Association of Blood Total Mercury with Dyslipidemia in a sample of U.S. Adolescents: Results from the National Health and Nutrition Examination Survey Database, 2011–2018
Chibuzor Abasilim, Victoria Persky, Mary E. Turyk
Hygiene and Environmental Health Advances.2023; 6: 100047. CrossRef
Association of Blood Mercury Level with Liver Enzymes in Korean Adults: An Analysis of 2015–2017 Korean National Environmental Health Survey
Jin-Wook Chung, Dilaram Acharya, Jitendra Kumar Singh, Joon Sakong
International Journal of Environmental Research and Public Health.2023; 20(4): 3290. CrossRef
Heavy metal-induced lipogenic gene aberration, lipid dysregulation and obesogenic effect: a review
Yang Zhou, Frank Peprah Addai, Xinshuang Zhang, Yuelin Liu, Yinfeng Wang, Feng Lin, Alex Tuffour, Jie Gu, Guangxiang Liu, Haifeng Shi
Environmental Chemistry Letters.2022; 20(3): 1611. CrossRef
Mercury may reduce the protective effect of sea fish consumption on serum triglycerides levels in Chinese adults: Evidence from China National Human Biomonitoring
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Environmental Pollution.2022; 311: 119904. CrossRef
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Kaviyarasi Renu, Anirban Goutam Mukherjee, Uddesh Ramesh Wanjari, Sathishkumar Vinayagam, Vishnu Priya Veeraraghavan, Balachandar Vellingiri, Alex George, Ricardo Lagoa, Kamaraj Sattu, Abhijit Dey, Abilash Valsala Gopalakrishnan
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The effects of chemical mixtures on lipid profiles in the Korean adult population: threshold and molecular mechanisms for dyslipidemia involved
Hai Duc Nguyen, Hojin Oh, Min-Sun Kim
Environmental Science and Pollution Research.2022; 29(26): 39182. CrossRef
Association between Heavy Metal Exposure and Dyslipidemia among Korean Adults: From the Korean National Environmental Health Survey, 2015–2017
Do-won Kim, Jeongwon Ock, Kyong-Whan Moon, Choong-Hee Park
International Journal of Environmental Research and Public Health.2022; 19(6): 3181. CrossRef

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Review

The impact of fire suppression tasks on firefighter hydration: a critical review with consideration of the utility of reported hydration measures: Adam Walker, Rodney Pope, Robin Marc Orr; Ann Occup Environ Med 2016;28:63. Published online November 15, 2016; DOI: https://doi.org/10.1186/s40557-016-0152-x

Abstract PDF PubReader ePub

Background

Firefighting is a highly stressful occupation with unique physical challenges, apparel and environments that increase the potential for dehydration. Dehydration leaves the firefighter at risk of harm to their health, safety and performance. The purpose of this review was to critically analyse the current literature investigating the impact of fighting ‘live’ fires on firefighter hydration.

Methods

A systematic search was performed of four electronic databases for relevant published studies investigating the impact of live fire suppression on firefighter hydration. Study eligibility was assessed using strict inclusion and exclusion criteria. The included studies were critically appraised using the Downs and Black protocol and graded according to the Kennelly grading system.

Results

Ten studies met the eligibility criteria for this review. The average score for methodological quality was 55 %, ranging from 50 % (‘fair’ quality) to 61 % (‘good’ quality) with a ‘substantial agreement’ between raters (k = .772). Wildfire suppression was considered in five studies and structural fire suppression in five studies. Results varied across the studies, reflecting variations in outcome measures, hydration protocols and interventions. Three studies reported significant indicators of dehydration resulting from structural fire suppression, while two studies found mixed results, with some measures indicating dehydration and other measures an unchanged hydration status. Three studies found non-significant changes in hydration resulting from wildfire firefighting and two studies found significant improvements in markers of hydration. Ad libitum fluid intake was a common factor across the studies finding no, or less severe, dehydration.

Conclusions

The evidence confirms that structural and wildfire firefighting can cause dehydration. Ad libitum drinking may be sufficient to maintain hydration in many wildfire environments but possibly not during intense, longer duration, hot structural fire operations. Future high quality research better quantifying the effects of these influences on the degree of dehydration is required to inform policies and procedures that ensure firefighter health and safety.

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A A Stec, A Robinson, T A M Wolffe, E Bagkeris
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Lynne E. Pinkerton, Stephen Bertke, Matthew M. Dahm, Travis L. Kubale, Miriam R. Siegel, Thomas R. Hales, James H. Yiin, Mark P. Purdue, James J. Beaumont, Robert D. Daniels
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Sweat monitoring beneath garments using passive, wireless resonant sensors interfaced with laser-ablated microfluidics
Adam R. Carr, Yash H. Patel, Charles R. Neff, Sadaf Charkhabi, Nathaniel E. Kallmyer, Hector F. Angus, Nigel F. Reuel
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Robin Orr, Vinicius Simas, Elisa Canetti, Ben Schram
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International Journal of Environmental Research and Public Health.2017; 14(2): 142. CrossRef

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