LEAD IN HUMAN BONES - INVESTIGATIONS ON AN OCCUPATIONALLY NON-EXPOSED POPULATION IN SOUTHERN BAVARIA (FRG) .1. ADULTS
LEAD IN HUMAN BONES - INVESTIGATIONS ON AN OCCUPATIONALLY NON-EXPOSED POPULATION IN SOUTHERN BAVARIA (FRG) .1. ADULTS
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DOI:
10.1016/0048-9697(87)90252-x
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发表时间:
1987-07-01
影响因子:
9.8
通讯作者:
BAUR, C
中科院分区:
文献类型:
--
作者:
DRASCH, GA;BOHM, J;BAUR, C
The concentration of lead in three different bones (pelvic bone, cortical part of the mid-femur, petrous portion of the temporal bone) of 240 occupationally non-exposed adults who died between October 1983 and February 1985 was determined by electrothermal atomic absorption spectrometry. As far as sex, age and domicile (urban and rural) are concerned, a balanced distribution was achieved (for each age decade 10 urban females, 10 rural females, 10 urban males and 10 rural males). The predominantly cortical femur (geom. mean, 3.86 mg Pb/kg bone wet wt.) and temporal bones (5.59) showed higher Pb concentrations than the trabecular pelvic bone (1.65) (in each case n = 240). For each of the three types of bone, the mean lead content of the males (n = 120) was significantly higher than those of the females (n = 120); e.g. for pelvic bone by 38.3%, mid-femur by 51.3% and temporal bone by 24.8%. No statistically significant difference was obtained when comparing residents of Munich (population > 1 .times. 106) (n = 120) with people in the remaining parts of Southern Bavaria (n = 120). The Pb content of the temporal bone increased steadily with age. In contrast, in the mid-femur and the pelvic bone the Pb content reaches a plateau in middle age with a decrease at higher ages; this decline is more distinct for females. The mean lead body burden was calculated to be 41.4 .+-. 24.2 mg for all males (n = 120) and 24.1 .+-. 12.5 mg for all females (n = 120). We conclude that the lead burden, at least in the area investigated, has been reduced in the last decade, probably because of a reduction in the lead content of petrol.