【摘要】 目的探讨儿童行为异常与血铅的关系,为防治铅中毒提供依据。方法随机整群抽取南京市2所小学9~12岁的学龄儿童404名为对象,采指端末梢血40μL,血样经消化、离心,采用石墨炉原子吸收分光光度法测定全血铅含量。同时采用父母填写的Achen-bach(CBCL)儿童行为量表测查儿童的行为问题。结果儿童血铅平均水平为81.2μg/L,男生血铅水平及铅中毒人数显著多于女生,行为异常组的儿童血铅水平及铅中毒率明显高于行为正常组。结论铅对男童的危害高于女童,高血铅与儿童行为异常有关。更多还原

【Abstract】 Objective To explore the relationship between the abnormal behavior and blood lead level of the children,and to provide bases for the prevention measures.Methods A total of 404 children aged 9-12 in two primary schools in Nanjing were selected with random cluster sampling.40 μL blood from the finger was taken for all the children,then digested and centrifuged,the lead concentration in the whole blood was measured with graphite furnace atom absorption spectrometry.In the mean time,children’s behavior was measured with Achenbach Behavior Checklist.Results The average blood lead level for the children was 81.2 μg/L.The blood lead level and the number of blood lead poisoning for the boys were more than those for girls,and the blood lead level and the prevalence of lead poisoning for children with abnormal behavior were obviously more than those for children with normal behavior.Conclusion Risk of lead poisoning is serious for boys than for girls.There is relationship between blood lead level and abnormal behavior of children.更多还原