Assessing contamination paths of the German adult population with gold and platinum.: The German Environmental Survey 1998 (GerES III)

被引:13
作者
Benemann, J
Lehmann, N
Bromen, K
Marr, A
Seiwert, M
Schulz, C
Jöckel, KH
机构
[1] Univ Duisburg Essen, Fac Med, Inst Med Informat Biometry & Epidemiol, D-45122 Essen, Germany
[2] Fed Environm Agcy, Berlin, Germany
关键词
platinum; gold; contamination path; German environmental survey 1998; general adult population;
D O I
10.1016/j.ijheh.2005.07.004
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background: Even though increased environmental platinum levels were found since the introduction of automobile catalytic converters, little is known about the pathways of corporal uptake and the bioavailability of platinum in the general adult population. The aim of this study is to identify and quantify the main exposure pathways of gold and platinum in the general adult population. Methods: The German Environmental Survey 1998 (GerES III) collected population-based data on the corporal gold and platinum burden from a large sample of 1080 persons, 18-69 years of age. Urinary metal concentration was analysed by SF-ICP-MS. Exposure data were assessed by standardized questionnaires. Data were log transformed and analysed using multiple linear regression analysis with respect to exposure variables. Results: The R-2 of the linear regression model of urinary gold and platinum (ng/l) burden is 0.349 and 0.235, respectively. In both models, the number of teeth with noble metal dental alloy restorations (NMDAR) is the most important exposure pathway. One versus no tooth with NMDAR is associated with an increase of 23.7% in urinary gold and 35.6% in platinum concentration. Chewing gum intensifies the release of gold and platinum from NMDAR: every additional day per week when gum is chewed is associated with an increased gold (5.6%) and platinum (6.9%) burden. Furthermore, elevated urinary gold and platinum concentrations were found for higher creatinine concentrations, more frequent coffee consumption and for people from the upper social class. Gold burden is also increased in people with arthritis. Platinum burden is also increased in people living in western or northern Germany. Traffic-related variables had no significant effect on platinum burden. (C) 2005 Elsevier GmbH. All rights reserved.
引用
收藏
页码:499 / 508
页数:10
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