Elevated blood lead and metal levels among occupationally exposed tribal fishermen in Tamil Nadu, India.
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Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS)
2025
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| author | Venugopal, Dhananjayan Beerappa, Ravichandran Karunamoorthy, Panjakumar Salavath, Jawahar Ambikabathy, Mala Kondhalkar, Shridhar Ayyaru, Gopalakrishnan Mohankumar, Thamaraikannan |
| author_facet | Venugopal, Dhananjayan Beerappa, Ravichandran Karunamoorthy, Panjakumar Salavath, Jawahar Ambikabathy, Mala Kondhalkar, Shridhar Ayyaru, Gopalakrishnan Mohankumar, Thamaraikannan Venugopal, Dhananjayan Beerappa, Ravichandran Karunamoorthy, Panjakumar Salavath, Jawahar Ambikabathy, Mala Kondhalkar, Shridhar Ayyaru, Gopalakrishnan Mohankumar, Thamaraikannan |
| collection | PubMed - marine biology |
| contents | Elevated blood lead and metal levels among occupationally exposed tribal fishermen in Tamil Nadu, India. Venugopal, Dhananjayan Beerappa, Ravichandran Karunamoorthy, Panjakumar Salavath, Jawahar Ambikabathy, Mala Kondhalkar, Shridhar Ayyaru, Gopalakrishnan Mohankumar, Thamaraikannan Humans Occupational Exposure Lead India Adult Male Middle Aged Fisheries Metals Metals, Heavy Fishermen are exposed to hazardous substances, including metals, through fishing-related activities, posing significant health risks, particularly among vulnerable tribal communities in mangrove ecosystems. This study assessed blood metal levels among tribal fishermen from Pichavaram, Tamil Nadu, India. Blood samples from 53 fishermen were analyzed using inductively coupled plasma-optical emission spectrometry (ICP-OES) to quantify chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb), and zinc (Zn). Occupational exposure data were collected through surveys, and findings were compared to international reference values (RV95). The mean ± SD concentrations of Cr, Cu, Mn, Ni, Pb, and Zn were 884 ± 804, 441 ± 427, 95 ± 93, 157 ± 147, 208 ± 172, and 2841 ± 2695 µg/L, respectively-markedly exceeding international reference values (RV95). Blood lead levels (BLLs) were of particular concern. About 74 % of the participants exceeded the CDC reference values of 5 µg/dL, 55 % surpassed the ACGIH biological exposure index value of 20 µg/dL, and 15 % exceeded the OSHA occupational threshold limit of 40 µg/dL. Fishnet makers had the highest mean BLLs (269 µg/L), likely due to direct contact with lead-based fishing sinkers. A significant differences in metal load (p Tribal fishermen in Pichavaram face significant health risks from elevated toxic trace metal exposure, especially lead. Immediate interventions, such as promoting personal protective equipment (PPE), stricter regulations, and educational programs, are essential. This pioneering study underscores the need for effective public health policies to safeguard fishing communities and highlights occupational hazards in vulnerable populations. |
| format | Artículo científico |
| id | pubmed_40834789 |
| institution | PubMed |
| language | en |
| publishDate | 2025 |
| publisher | Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) |
| record_format | pubmed |
| spellingShingle | Elevated blood lead and metal levels among occupationally exposed tribal fishermen in Tamil Nadu, India. Venugopal, Dhananjayan Beerappa, Ravichandran Karunamoorthy, Panjakumar Salavath, Jawahar Ambikabathy, Mala Kondhalkar, Shridhar Ayyaru, Gopalakrishnan Mohankumar, Thamaraikannan Humans Occupational Exposure Lead India Adult Male Middle Aged Fisheries Metals Metals, Heavy Elevated blood lead and metal levels among occupationally exposed tribal fishermen in Tamil Nadu, India. Venugopal, Dhananjayan Beerappa, Ravichandran Karunamoorthy, Panjakumar Salavath, Jawahar Ambikabathy, Mala Kondhalkar, Shridhar Ayyaru, Gopalakrishnan Mohankumar, Thamaraikannan Humans Occupational Exposure Lead India Adult Male Middle Aged Fisheries Metals Metals, Heavy Fishermen are exposed to hazardous substances, including metals, through fishing-related activities, posing significant health risks, particularly among vulnerable tribal communities in mangrove ecosystems. This study assessed blood metal levels among tribal fishermen from Pichavaram, Tamil Nadu, India. Blood samples from 53 fishermen were analyzed using inductively coupled plasma-optical emission spectrometry (ICP-OES) to quantify chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb), and zinc (Zn). Occupational exposure data were collected through surveys, and findings were compared to international reference values (RV95). The mean ± SD concentrations of Cr, Cu, Mn, Ni, Pb, and Zn were 884 ± 804, 441 ± 427, 95 ± 93, 157 ± 147, 208 ± 172, and 2841 ± 2695 µg/L, respectively-markedly exceeding international reference values (RV95). Blood lead levels (BLLs) were of particular concern. About 74 % of the participants exceeded the CDC reference values of 5 µg/dL, 55 % surpassed the ACGIH biological exposure index value of 20 µg/dL, and 15 % exceeded the OSHA occupational threshold limit of 40 µg/dL. Fishnet makers had the highest mean BLLs (269 µg/L), likely due to direct contact with lead-based fishing sinkers. A significant differences in metal load (p Tribal fishermen in Pichavaram face significant health risks from elevated toxic trace metal exposure, especially lead. Immediate interventions, such as promoting personal protective equipment (PPE), stricter regulations, and educational programs, are essential. This pioneering study underscores the need for effective public health policies to safeguard fishing communities and highlights occupational hazards in vulnerable populations. |
| title | Elevated blood lead and metal levels among occupationally exposed tribal fishermen in Tamil Nadu, India. |
| topic | Humans Occupational Exposure Lead India Adult Male Middle Aged Fisheries Metals Metals, Heavy |
| url | https://pubmed.ncbi.nlm.nih.gov/40834789/ |