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目的评价反复呼吸道感染患儿血微量元素的含量。方法通过中国生物医学光盘数据库、中国期刊全文数据库、重庆维普数据库和美国MEDLINE数据库检索以及文献追溯等途径收集文献。采用Stata9.0软件编程对文献进行Meta分析。结果反复呼吸道感染患儿较正常对照组,锌下降1.67(95%CI:0.97～2.37)μmol/L,铁下降2.30(95%CI:0.90～3.71)μmol/L,钙下降1.71(95%CI:0.41～3.02)μmol/L,镁下降0.44(95%CI:0.05～0.84)μmol/L,铜下降0.22(95%CI:0.14～0.58)μmol/L,而有害元素铅则上升0.65(95%CI:0.10～1.20)μmol/L。结论反复呼吸道感染患儿的锌、铁、钙、镁、铜均下降,有害元素铅升高。
Objective To evaluate the content of blood trace elements in children with recurrent respiratory tract infection. Methods The documents were collected through China Biomedical CD-ROM, Chinese Journal Full-text Database, Chongqing VIP Database, MEDLINE database search and literature review. Stata9.0 software programming Meta analysis of the literature. Results The children with recurrent respiratory tract infection had 1.67 (95% CI: 0.97-2.37) μmol / L, 2.30 (95% CI: 0.90-3.71) μmol / L and 1.71 (95% CI (95% CI: 0.14-0.58) μmol / L for copper and 0.65 (95% CI: 0.14-0.58) μmol / L for copper, and 0.41 ~ 3.02 μmol / % CI: 0.10 ~ 1.20) μmol / L. Conclusions Children with recurrent respiratory tract infection have lower levels of zinc, iron, calcium, magnesium and copper and lead in harmful elements.