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  • Title: Dimercaptosuccinic acid loading test for assessing mercury burden in healthy individuals.
    Author: Archbold GP, McGuckin RM, Campbell NA.
    Journal: Ann Clin Biochem; 2004 May; 41(Pt 3):233-6. PubMed ID: 15117439.
    Abstract:
    BACKGROUND: Oral chelation tests have been used to try to define mercury toxicity in individuals with dental amalgams, who are suffering from a variety of non-specific symptoms. METHODS: Self-reported healthy individuals volunteered to undergo an oral chelation test using dimercaptosuccinic acid (DMSA) at a dose of 30 mg/kg body weight. Urinary mercury : creatinine ratios were measured pre-dose and 3 h post-dose. RESULTS: Urinary mercury : creatinine ratios were similar to levels previously reported in individuals with symptoms that could have been attributed to mercury toxicity. One volunteer suffered a serious reaction to DMSA. CONCLUSION: The oral chelation test using DMSA may lead to misleading diagnostic advice regarding potential mercury toxicity and can be associated with serious side effects.
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