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The effects of chronic diseases on plutonium urinary excretion in former workers of the Mayak Production Association

Journal Article · · PLoS ONE
 [1];  [1];  [1];  [2];  [3]
  1. Southern Urals Biophysics Institute (SUBI), Ozyorsk, (Russian Federation)
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  3. Univ. of Utah, Salt Lake City, UT (United States)

The radiochemical analysis of plutonium activity in urine is the main method for indirect estimation of doses of internal exposure from plutonium incorporation in professional workers. It was previously shown that late-in-life acute diseases, particularly those that affect the liver, can promote accelerated rates of release of plutonium from the liver with enhanced excretion rates. This initial study examines the relationships of some chronic diseases on plutonium excretion as well as the terminal relative distribution of plutonium between the liver and skeleton. Fourteen cases from former workers at the Mayak Production Association (Mayak PA) who provided from 4–9 urine plutonium bioassays for plutonium, had an autopsy conducted after death, and had sufficient clinical records to document their health status were used in this study. Enhanced plutonium excretion was associated with more serious chronic diseases, including cardiovascular diseases and other diseases that involved the liver. These chronic diseases were also associated with relatively less plutonium found in the liver relative to the skeleton determined by analyses conducted after autopsy. These data further document health conditions that affect plutonium biokinetics and organ deposition and retention patterns and suggest that health status should be considered when conducting plutonium bioassays as these may alter subsequent dosimetry and risk models.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Environment, Health, Safety and Security (AU); Federal Medical Biological Agency of the Russian Federation
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1721689
Report Number(s):
PNNL-SA--126480
Journal Information:
PLoS ONE, Journal Name: PLoS ONE Journal Issue: 11 Vol. 15; ISSN 1932-6203
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English

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