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目的 阐明微量元素锌的多种生理功能及其与肺脾气虚型反复呼吸道感染发病的关系。方法 选择 194例反复呼吸道感染患儿 ,采用电感耦合等离子体发射光谱仪 (ICP AES) ,检测发锌水平。结果 181例 (93 2 9%)锌值低下 ,其中 10 2例细胞免疫功能低下 ,76例体液免疫指标不正常。结论 缺锌与酶代谢紊乱、免疫功能低下及呼吸道粘膜防御机制降低有关 ,是小儿反复呼吸道感染发病的直接原因之一。
Objective To clarify the various physiological functions of trace element zinc and its relationship with the pathogenesis of recurrent respiratory tract infection of lung, spleen and Qi deficiency type. Methods Ninety-four children with recurrent respiratory tract infection were selected. Inductively coupled plasma atomic emission spectrometry (ICP-AES) was used to detect zinc levels. Results 181 cases (93.29%) had low zinc value, of which 102 cases had low immune function and 76 cases had abnormal humoral immunity. Conclusion Zinc deficiency is associated with disorder of enzyme metabolism, low immunocompromise and reduction of respiratory mucosal defense mechanism, which is one of the direct causes of recurrent respiratory tract infections in children.