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Increase in accumulation of strontium-90 in the maternal skeleton during pregnancy and lactation: analysis of the Techa River data.
MedLine Citation:
PMID:  24861824     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The unique contamination of the Techa River (Southern Urals, Russia) in the 1950s by long-lived (90)Sr allows investigation of the accumulation of bone-seeking elements in humans. This study is based on information compiled at the Urals Research Center for Radiation Medicine (Chelyabinsk, Russia) over a long period of time. It includes the results of in vivo measurements of (90)Sr-body burden with a whole body counter (WBC), data on personal medical examinations and residence and family histories. Data on 185 women from two Techa riverside villages Muslyumovo and Brodokalmak were selected. The settlements differ in terms of (90)Sr diet intake (higher in Muslyumovo than in Brodokalmak) and ethnicity (residents were mainly Slavs in Brodokalmak and Turkic in Muslyumovo). Results of a total of 555 WBC measurements performed in 1974-1997 were available for the women studied; maximum measured values reached 40 kBq/body. The women from each settlement were subdivided into three groups according to their childbearing history: pregnancy and lactation occurred (1) during the period of maximal (90)Sr intake (1950-1951); (2) after the period of maximal intake and (3) before this period or women who were childless. An increase was found in accumulation of (90)Sr in maternal skeleton during pregnancy and lactation (group 1) by a factor of 1.5-2 in comparison with non-pregnant, non-lactating women. This result was found in both Muslyumovo and Brodokalmak samples. An increase in accumulation of toxic elements in pregnant/lactating women is associated with increased radiation/toxic doses and risk for the women's health.
Authors:
Evgenia I Tolstykh; Natalia B Shagina; Marina O Degteva
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-5-27
Journal Detail:
Title:  Radiation and environmental biophysics     Volume:  -     ISSN:  1432-2099     ISO Abbreviation:  Radiat Environ Biophys     Publication Date:  2014 May 
Date Detail:
Created Date:  2014-5-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0415677     Medline TA:  Radiat Environ Biophys     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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