儿童期血镉含量及其有关因素的影响

Childhood Blood Cadmium Levels and Its Relevant Influential Factors

目的通过检测儿童血镉水平,分析影响儿童期镉损伤的相关因素。方法在儿童保健门诊选择自愿来诊的健康儿童60人,采用无火焰石墨炉原子吸收光谱法测定血镉,同时进行问卷调查。采用回归分析方法进行分析。结果调查表明,60例儿童血镉水平为（2.50±1.02）μg/L,3岁-组血镉水平最高,男童血镉均值略高于女童。相关分析表明,影响儿童血镉水平的有关因素是父母每日吸烟量、吸吮手指习惯、异食癖、服用钙片及摄入蔬菜量等。结论了解影响儿童血镉含量的相关因素可为临床早期防治儿童期镉损伤提供依据,应引起广大儿童工作者的充分关注。

Objective To analyze the correlated factors affecting childhood cadmium induced injury through detecting the blood cadmium levels.Methods 60 healthy children from the clinic of child health care were randomly chosen for detecting blood cadmium levels with flameless graphite AAS and simultaneously with questionnaire survey.Results were processed with multiple regression analysis.Results Results showed that the mean blood cadmium level was（2.50±1.02）μg/L for 60 children.The mean blood cadmium level was the highest in the group of≥three years old and that of boys was higher than that of girls.With the multiple stepwise regression analysis,results showed that the blood cadmium levels in childhood were correlated with many factors,such as the amount of cigarettes their parents smoked,the habit of children＇s finger sucking,allotriophagy,amount of calcium and vegetable daily intake and so on.Conclusions By understanding the correlated factors affecting the childhood blood cadmium levels,it is possible to provide criteria for preventing early childhood cadmium induced injury in clinical practice.It should be concerned about by all children health care workers.