铜仁市城区学龄前儿童铅中毒发病率调查

Survey of the incidence of lead poisoning in preschool children of Tongren City

目的了解铜仁市城区学龄前儿童铅中毒发病率。方法采用原子吸收光谱法检测2650例学龄前儿童末梢血铅浓度。结果铅中毒总发病率为12.6%(335/2650);男童铅中毒发病率为14.1%(193/1366),高于女童[11.1%(142/1284)]。结论铅中毒仍是危害本地区学龄前儿童健康的重要问题,须加强环境治理,严格控制食品等的含铅标准,定期监测学龄前儿童血铅浓度,制定科学的干预措施,实现早发现、早治疗。

Objective To explore the incidence of lead poisoning in preschool children of Tongren City. Methods Atomic ab- sorption spectrometry determination was performed to detect the blood lead concentration in 2 650 cases of preschool children. Re- sults The total incidence of lead poisoning was 12.6%（335/2 650）. The incidence of lead poisoning in boys was 14. 1%（193/ 1 366）,higher than 11. 1 % （142/1 384） of girls. Conclusion Lead poisoning might still be the important factor, influencing the health of preschool children. More measures should be carried out to manage environment, control the standard of lead concentration of food and regularly monitor blood lead concentration in preschool children for the early diagnosis and treatment of lead poisoning.