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目的探讨小儿呼吸系统感染与体内血清锌、铜及铜/锌值的关系。方法采用比色法测定了110例呼吸系统感染疾病和30例健康儿童血清锌、铜含量及铜/锌值。结果70例反复呼吸系统感染患儿与对照组相比,血清锌明显降低(P<0.05),血清铜明显高于对照组。40例急性呼吸系统感染组患儿血清锌、铜与对照组相比,差异无统计学意义(P>0.05),但两组与对照组相比,铜/锌值均高于对照组。结论适当补锌,有助于小儿呼吸系统疾病的预防和治疗,铜/锌值可作为早期诊断、治疗呼吸系统疾病的参考指标之一。
Objective To investigate the relationship between respiratory infection in children and serum zinc, copper and copper / zinc in vivo. Methods The colorimetric method was used to determine the serum zinc, copper and copper / zinc values in 110 cases of respiratory infection and 30 healthy children. Results 70 cases of children with recurrent respiratory infections compared with the control group, serum zinc was significantly lower (P <0.05), serum copper was significantly higher than the control group. There was no significant difference in serum zinc and copper between the 40 patients with acute respiratory infection and the control group (P> 0.05), but the copper / zinc values of the two groups were higher than those of the control group. Conclusion Appropriate zinc supplementation is helpful to the prevention and treatment of respiratory diseases in children. Copper / zinc value can be used as a reference index for early diagnosis and treatment of respiratory diseases.