【摘要】 用火焰原子吸收法检测了反复呼吸道感染儿童头发中锌的含量 ,用放免法检测血清IgA的含量。结果表明 ,患病组儿童的发锌值和血清IgA值均低于正常组儿童 (P <0 0 5)。患儿经补锌治疗 1年后 ,总有效率达 82 1% ,发锌及血清IgA含量均增加 ,表明缺锌所导致的IgA含量下降 ,呼吸道粘膜分泌IgA缺乏是儿童反复呼吸道感染的重要原因之一 ,补充锌可有效提高患儿的免疫力 ,治疗儿童反复呼吸道感染。更多还原

【Abstract】 The content of Zn in children patients’ hair was determined by FAAS and the IgA in serum was detected by RIA.The content of Zn and IgA was lower than that the of healthy children.The rate of curative effect was 82 1% after treatment by adding Zn,and the Zn in hair and IgA in serum both increased.Zn deficiency could cause IgA to decrease and IgA deficiency in respiratory tract is the main factor of repeated respiratory infection.更多还原