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对１４３例肺炎患儿进行了血清、血浆及红细胞中锌、铜、铁、钙、镁等５种元素含量测定比较。结果表明：１．血清及血浆中的锌、铁、钙含量均显著降低，血清铜含量显著升高；而红细胞中５种元素含量变化无差别。提示肺炎患儿血液中的这种低锌、低铁、高铜的代谢调节关系符合“营养免疫”机理。２．血清、血浆及红细胞中的锌／铜比值均显著降低，说明锌／铜比值变化的观察优于锌、铜单项指标。３．肺炎组的血清与血浆中５种元素含量相比无差别，说明两组检测指标可以通用。
In 143 cases of children with pneumonia were measured serum, plasma and erythrocyte zinc, copper, iron, calcium, magnesium and other five elements were compared. The result shows: 1. Serum and plasma zinc, iron, calcium levels were significantly lower serum copper levels were significantly increased; while the red blood cells in the five elements showed no significant difference. It is suggested that the metabolic regulation of low zinc, low iron and high copper in the blood of children with pneumonia conforms to the mechanism of “nutrition and immunity”. 2. The ratio of zinc to copper in serum, plasma and erythrocytes were significantly decreased, indicating that the change of zinc / copper ratio was better than that of zinc and copper. 3. Pneumonia group serum and plasma levels of five elements no difference, indicating that the two groups of test indicators can be universal.