Mercury exposure among residents of a building block in Shiraz, Iran.
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| Abstract |
Exposure to mercury can cause serious multiorgan damage affecting the central nervous system, kidneys, liver, lungs, spleen, bone marrow, and skin. At the end of the summer of 1999, the accidental leakage of 4 liters of mercury from a container into the waterway canals resulted in mass exposure to elemental mercury among the residents of a building block of a residential area of the city of Shiraz, in the south of Iran. One hundred and eleven individuals who experienced exposure to elemental mercury were investigated. Twenty-four-hour measurement of the urine mercury level-revealed a toxic level of more than 20 microg/L in 6 children and 3 adults (including a pregnant woman). Despite normal physical and laboratory (CBC, renal and liver function tests, and urinalysis) findings, dimercaprol was prescribed. One month later during the course of the follow-up the urine mercury level in 6 patients, including the pregnant woman from the same family, was found to be again at a toxic level. The pregnant mother from the same family aborted her fetus; however, due to the lack of equipment for measuring the serum mercury level, it was not possible to confirm the relation between the mercury toxicity and the abortion. This family had kept mercury in their kitchen against health workers' instructions. The attractive physical and chemical properties of mercury could explain the continuity of exposure and poisoning in these 6 cases. It is concluded that prophylactic therapy in the presence of toxic levels of mercury, despite the presence of an asymptomatic state in exposed residents, is effective in preventing the development of signs and symptoms, though instruction of high-risk cases is the best way to combat it.
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| Authors | Abdollah Karimi, Farahbakhsh Moniri, Aliasghar Nasihatkon, Mohammad Jafar Zarepoor, Abdolvahhab Alborzi |
| Journal | Environmental research (Environ Res) Vol. 88 Issue 1 Pg. 41-3 (Jan 2002) ISSN: 0013-9351 [Print] Netherlands |
| PMID | 11896667 (Publication Type: Journal Article) |
| Chemical References |
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