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目的了解宝鸡市0～14岁儿童微量元素状况,为合理补充微量元素和预防铅中毒提供依据。方法采用电位溶出法检测宝鸡市1142例儿童末梢血Zn,Fe,Cu,Mg,Ca,Pb含量。结果儿童末梢血微量元素以Zn,Ca缺乏为主,缺乏率分别为46.58%和31.09%,铅中毒发生率为12.43%;男、女儿童血铅中毒率差异有统计学意义;不同年龄组儿童血Zn缺乏率、血铅中毒率差异均有统计学意义(P值均<0.05);缺Zn、缺Ca儿童更易铅中毒。结论培养良好的饮食习惯和卫生习惯,平衡膳食,合理营养,远离铅污染,是预防儿童微量元素缺乏和铅中毒的主要措施。
Objective To understand the status of trace elements in children aged 0 ~ 14 years in Baoji City and provide evidence for the rational supplementation of trace elements and prevention of lead poisoning. Methods The levels of Zn, Fe, Cu, Mg, Ca and Pb in peripheral blood of 1142 children in Baoji were detected by potentiometric stripping method. Results The trace elements in peripheral blood of children were mainly Zn and Ca deficiency with the rates of 46.58% and 31.09% respectively, and the incidence of lead poisoning was 12.43%. The blood lead poisoning rates of boys and girls were statistically different. Children of different age groups Blood Zn deficiency rate, blood lead poisoning rate differences were statistically significant (P values were <0.05); lack of Zn, lack of Ca children more susceptible to lead poisoning. Conclusion Cultivating good eating habits and hygiene habits, balancing diet, reasonable nutrition and keeping away from lead pollution are the main measures to prevent children’s trace element deficiency and lead poisoning.