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目的:了解微量元素及铅中毒在不同性别、不同年龄儿童中的变化规律,探讨铅中毒的防治措施。方法:使用电分析化学法对1490名0～7岁小儿末梢血选择性做铁、锌、钙、镁、铜、铅检测。结果:不同性别间铅中毒发病率有非常显著差异;婴儿铅中毒发病率较低,与幼儿组相比有显著性差异,之后差别无显著性,学前班儿童发病率又显著增加。结论:纠正儿童铅中毒的高危行为,减低自然环境中的铅污染是降低儿童铅中毒的有效措施,轻、中度铅中毒非药物治疗有效。
Objective: To understand the changes of trace elements and lead poisoning in children of different gender and age, and to explore the prevention and control measures of lead poisoning. Methods: Electroanalytical chemistry was used to detect iron, zinc, calcium, magnesium, copper and lead in 1490 peripheral blood of 0 ~ 7 years old children. Results: There was a significant difference in the incidence of lead poisoning among different sexes. The incidence of lead poisoning in infants was lower than that in infants, and there was no significant difference afterwards. The incidence of pre-school children was significantly increased. Conclusion: Correcting high-risk behaviors of children lead poisoning and reducing lead pollution in the natural environment are effective measures to reduce lead poisoning in children. Non-drug treatment of light and moderate lead poisoning is effective.