Survey Analysis on Blood Lead Level of Children in Jinchang City of Gansu Province / 实用儿科临床杂志

ABSTRACT

Objective To estimate blood lead level of children in Jinchang city of Gansu province.Methods According to relevant request,256 children(male 133,female 123) aged 2-7 years from some kindergartens in Jinchang city were randornly selected from Oct. 2004 to Jun. 2005. Blood lead level was measured by atom-absorbing graphiteingle method.Results The average blood lead level of 256 children was(126.30?52.98)?g/L.The lowest blood lead level was 28.3 ?g/L while the highest was 268.0 ?g/L.And 160 children(62.54%) were found with a blood lead level ≥100 ?g/L(the diagnostic level of lead poisoning in children).The blood lead level became higher with the increase of children′s age,as groups aged 2-3 years group were lower than aged 5-6 years and 6-7 years groups,of which the differenes had statistical significance(P0.05).Conclusion Blood lead levels of children in Jinchang city and prevalence of lead poisoning are both relatively higher,to which enough attention shall be paid.