| Titre : | Methylmercury and inorganic mercury in serum-correlation to fish consumption and dental amalgam in a cohort of women born in 1922. (1998) |
| Auteurs : | I.A. BERGDAHL ; M. AHLQWIST ; C. BENGTSSON ; B. HULTEN ; L. LAPIDUS ; L. LISSNER ; A. SCHUTZ ; Department of Occupational and Environmental Medicine. Lund University. Lund. SWE ; Department of Primary Health Care. Göteborg University. Vasa Hospital. Göteborg. SWE |
| Type de document : | Article |
| Dans : | Environmental research (vol. 77, n° 1, 1998) |
| Pagination : | 20-24 |
| Langues: | Anglais |
| Mots-clés : | Mercure ; Taux ; Sérum ; Sang ; Epidémiologie ; Suède ; Europe ; Poisson ; Ration alimentaire ; Dent |
| Résumé : | [BDSP. Notice produite par INIST oR0xd6iP. Diffusion soumise à autorisation]. Methylmercury in serum (S-MeHg) was assessed from serum concentrations of total (S-TotHg) and inorganic mercury (S-InoHg), determined by cold vapor-atomic absorption spectrometry. The samples were collected from 135 women on two occasions, in 1968-1969 and 1980-1981. In a subgroup of 29 women, an association was found between S-MeHg and the amount of fish consumed in 1968-1969 (r=0.38, P=0.04). The association was stronger (r=0.50 ; P=0.006) when the individuals'mean S-MeHg from 1968-1969 and 1980-1981 were plotted vs fish consumption 1968-1969. In the group, as a whole, there was an association between S-InoHg and number of dental amalgam surfaces, in both 1968-1969 (r=0.48, P=0.0001) and 1980-1981 (r=0.57, P<0.0001). The S-InoHg increased by approximately 0.1 nmol/L per amalgam tooth surface, corresponding to an uptake of approximately 0.2 mug/day per amalgam surface, but with considerable interindividual differences. The levels were lower in 1980-1981 than in 1968-1969 for both MeHg and InoHg. The medians and ranges (nmol/L) were for MeHg 1968-1969 : 3.6 (0.3-11.9) ; MeHg 1980-1981,2.0 (-0.4-8.7) ; InoHg 1968-1969,3.3 (0.7-11.8) ; InoHg 1980-1981,1.7 (0.1-11.8) ; TotHg 1968-1969,7.2 (1.9-18.8) ; and TotHg 1980-1981,3.9 (1.0-14.2). The decrease in S-MeHg is probably due to a decreased consumption of MeHg via contaminated fish. (...) |
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