Carcinogenesis, Teratogenesis & Mutagenesis ›› 2010, Vol. 22 ›› Issue (2): 119-122.doi: 10.3969/j.issn.1004-616x.2010.02.010

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Blood thallium levels of maternal and umbilical cord blood and the related factors in Dalian

SHAO Xiao-cui1;PIAO Feng-yuan1;GUAN Huai1;2;LI Xiao-wei2;XU Lei3;Yokoyama Kazuhito3   

  1. (1. Department of Occupational and Environmental Health, Dalian Medical University,Dalian 116044; 2. Department of Obstetrics and Gynecology, No.210 Hospital of PLA, Dalian 116021, China; 3. Department of Public Health and Occupational Medicine, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu-shi,Mie 514-8507, Japan
  • Received:2009-09-09 Revised:2009-11-13 Online:2010-03-30 Published:2010-03-30
  • Contact: PIAO Feng-yuan

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Abstract: OBJECTIVE: To examine thallium levels of maternal and umbilical cord blood, and analyze some relevant influencing factors. METHODS: We selected 125 pregnant women. Their venous bloods were drawn and subject to the microwave digestion method. The concentration of blood thallium was determined by ICP-MS. The effects of the relevant factors, including family condition and social environment of each pregnant woman, on the concentration of blood thallium were analyzed. The average thallium levels of maternal and umbilical cord blood were 48.8±29.9 ng/L and 42.0±29.2 ng/L, respectively, the correlation coefficient was 0.731. Several factors were found to be related to the thallium concentration of maternal blood, such as place of residence, source of drinking water, passive smoking, home renovation(P<0.05). The results of multiple linear regression analysis of the relevant influencing factors were source of drinking water, passive smoking, complications of pregnancy. CONCLUSION:Place of residence, passive smoking, source of drinking water, home renovation were the factors affecting the thallium level of maternal blood (P<0.05).

Key words: thallium, influence factors, cord blood, maternal blood

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