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检测84例反复呼吸道感染(RRTI)患儿血清Zn、Mn、Al、Cd、Fe、Pb、Cu、Ni、Ti、Co、Li、Cr水平,对其中血锌或(和)铁水平降低者37例进行了补充富马酸亚铁和(或)硫酸锌治疗后纵向观察。结果表明治疗前RRTI组血清Zn、Fe、Pb、Ni、Ti、Co、Li均值显著降低;治疗2个月后,RRTI随临床症状改善、血清Zn、Fe、Ti、Co、Li、Cr水平较前明显升高,而Al、Cd、Cu水平下降。提示RRTI患儿存在锌、铁等多种微量元素缺乏或不足,补充铁和(或)锌对其他微量元素的吸收、分布有明显影响。
The levels of serum Zn, Mn, Al, Cd, Fe, Pb, Cu, Ni, Ti, Co, Li and Cr in 84 patients with recurrent respiratory tract infection (RRTI) Cases were followed longitudinally after supplementation with ferrous fumarate and / or zinc sulfate. The results showed that the mean value of serum Zn, Fe, Pb, Ni, Ti, Co and Li in the RRTI group before treatment was significantly lower than that in the control group. RRTI was improved with clinical symptoms and serum levels of Zn, Fe, Ti, Co, Li and Cr after 2 months of treatment Before significantly increased, while Al, Cd, Cu levels decreased. Tip RRTI children exist zinc, iron and other trace elements lack or deficiency, iron and / or zinc supplementation of other trace elements absorption and distribution have a significant impact.