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Investigation of TCDD half‐life heterogeneity in veterans of operation ranch hand

 

作者: JoelE. Michalek,   RamC. Tripathi,   SamuelP. Caudill,   JamesL. Pirkle,  

 

期刊: Journal of Toxicology and Environmental Health  (Taylor Available online 1992)
卷期: Volume 35, issue 1  

页码: 29-38

 

ISSN:0098-4108

 

年代: 1992

 

DOI:10.1080/15287399209531591

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The half‐life of 2,3,7,8‐tetrachlorodibenzo‐p‐dioxin (TCDD), the contaminant of Agent Orange, has been recently estimated in 36 members of Operation Ranch Hand, the Air Force unit responsible for the aerial spraying of Agent Orange in Vietnam, as 7.1 yr with a 90% confidence interval of 5.8–9.6 yr. We investigated the variability of TCDD half‐life with percent body fat in these 36 Ranch Hand veterans who have two TCDD assay results from serum drawn in 1982 and 1987. Using a repeated measures linear model, we found a marginally significant change in half‐life with percentage of body fat (p ‐ .09) and no statistically significant change in half‐life with relative changes in percentage of body fat from 1982 to 1987 (p ‐ .60).

 

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