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目的:检测学龄前儿童末稍血中钙、铁、锌、镁、铜元素的水平,为预防疾病提供科学依据。方法:采用MP-2型溶出分析法检测。结果:各种元素构成比正常;<2岁组、2～5岁组、>5岁组儿童钙、铁、锌、铜构成比比较差异无统计学意义(P>0.05);镁元素在3个年龄组儿童构成比比较差异有统计学意义,>5岁组与≤5岁组比较差异有统计学意义,镁元素缺乏率高。结论:营养素钙、铁、锌、铜在学龄前儿童体内的分布合理;镁元素的缺乏在学龄前儿童中占有一定的比例,机体可存在长期缺镁而无低镁血症现象,建议将营养素的检测纳入学龄前儿童保健常规检查项目。
Objective: To detect the levels of calcium, iron, zinc, magnesium and copper in the terminal blood of preschool children and provide a scientific basis for preventing the disease. Methods: MP-2 type dissolution assay was used. Results: The proportions of various elements were normal. There were no significant differences in the constituent ratios of calcium, iron, zinc and copper between children aged 2, 2 to 5, and 5 years old (P> 0.05) There were significant differences in the composition of children between the age groups,> 5 years old and ≤5 years old group difference was statistically significant, magnesium deficiency rate is high. Conclusion: Nutrients calcium, iron, zinc and copper are well distributed in preschool children. The deficiency of magnesium in pre-school children accounts for a certain proportion. The body may have long-term magnesium deficiency without hypomagnesemia. It is suggested that nutrients Of the tests included in pre-school children’s health routine examination items.