| Abstrakt: |
Concentrations of Cu, Mn, Zn, and Cd were measured in 13 different tissues collected at autopsy from 55 New Zealanders, aged 1 week to 74 years. All analyses were done by atomic absorption spectrophotometry. In general, concentrations of Mn and Zn were similar to those reported elsewhere but Cu levels were slightly lower. Concentrations of Cd were low in all tissues except kidney. Median values were in accordance with those reported for other “unexposed” populations. A significant trend of increasing concentrations with age was found for Cu in cartilage, Zn in kidney cortex and medulla, and Cd in all tissues except bone, fat, and hair. Declines with age were observed for Cu in liver, aorta, and skeletal muscle, for Mn in heart, aorta, and cartilage and for Zn in lung and muscle. There were no obvious relationships between tissue trace element levels and cause of death assigned according to three groups: sudden accidental, cardiovascular, or respiratory. |
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