1755例儿童血铅水平分析

目的:了解长沙市儿童血铅水平。方法:采用日本日立公司Z-2700石墨炉原子吸收光谱仪对1755例0～12岁健康体检儿童进行血铅检测。结果:1755名儿童中高铅血症检出率为10.6%,血铅平均值66.6μg/L,其中男童检出率为11.0%,女童检出率为10.2%;城市儿童检出率为8.0%,农村儿童检出率为13.9%,农村明显高于城市,差异有统计学意义(P<0.05);各年龄组中幼儿组高铅血症检出率最高14.2%,学龄前组次之12.5%,学龄组8.4%及婴儿组7.2%检出率相对较低。结论:应加强铅中毒危害知识的宣传教育,尤其应针对农村地区及婴幼儿的家长开展相关健康宣教,预防儿童铅中毒发生。

Analysis on the blood lead levels in 1 755 children

Objective:To understand the blood lead levels of children in Changsha city. Methods:Atomic absorption spectrometer was used to detect the blood lead contents in 1 755 children aged 0-12 years old when they received physical examination in the hospital. Results:Among 1 755 children,the detection rate of high blood lead was 10.6%,the mean value of blood lead was 66.6 μg/L,the detection rates of high blood lead in boys and girls were 11.0% and 10.2%,respectively;the detection rates of high blood lead in children from urban areas and rural areas were 8.0% and 13.9%,respectively,the detection rate in children from rural areas was statistically significantly higher than that in children from urban areas(P<0.05);among different age groups,the detection rate of high blood lead in infant group was the highest,which was 14.2%,followed by preschool children group(12.5%),school children group(8.4%),and baby group(7.2%). Conclusion:Publicity and education about the knowledge of harms of lead poisoning should be enhanced,and related health propaganda and education should be conducted in rural areas and among the parents with infants to prevent the occurrence of lead poisoning in children.