深圳市13851例学龄前儿童血铅水平调查

目的了解深圳市学龄前儿童的血铅水平，为制定积极有效的干预措施提供科学依据。方法对13851例0-6岁儿童采集静脉血，用BH2100型原子吸收光谱法测定血铅水平。结果13851名儿童血铅均值为47．87μg／L，铅中毒发生率2．642％。血铅水平随年龄递增，总体有差异（P〈0．05），各年龄组铅中毒发生率总体差异无统计学意义，男女性别间差异无统计学意义。结论深圳市儿童血铅水平处于低水平，但仍需加强血铅控制。

Survey of lead levels in blood of 13851 preschool children in Shenzhen City

Aim To estimate the lead levels in blood of children in Shenzhen and provide scientific basis for formulationg effective intervention measures. Methods BH2100 atomic absorption spectrometer was used to detect the lead levels in venous blood of 13 851 preschool children aged 0-6years. Results The mean lead level in venous blood was 47.87μg/L,and the mean incidence of lead poisoning was 2.642%. Although the lead levels in venous blood Lead were increased with age,there were no statistical differences in lead poisoning among different age group and genders （P〈0.05）. Conclusion The lead levels in venous blood of children in Shenzhen were lower, but control of blood lead should still be strengthened.