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目的：观察黄芪注射液治疗小儿反复呼吸道感染的疗效。方法：对照组４５例在常规治疗的基础上予左旋咪唑口服。治疗组９０例在常规治疗基础上给予黄芪注射液静滴。结果：治疗组总有效率９５．５６％，对照组总有效率５３．３３％，治疗组疗效优于对照组，有显著性差异（ｕ＝２．４６，Ｐ＜０．０５）。治疗组治疗后血中ＩｇＧ和ＩｇＡ水平明显高于对照组（Ｐ均＜０．０５）。结论：黄芪注射液治疗小儿反复呼吸道感染疗效肯定。
Objective: To observe the effect of Astragalus injection on children with recurrent respiratory tract infection. Methods: 45 cases in the control group were given levamisole orally on the basis of routine treatment. 90 patients in the treatment group were given Astragalus injection intravenously on the basis of routine treatment. Results: The total effective rate was 95.56% in the treatment group and 53.33% in the control group. The curative effect in the treatment group was better than that in the control group (u = 2.46, P <0.05). After treatment, the levels of IgG and IgA in blood of the treatment group were significantly higher than those of the control group (all P <0.05). Conclusion: Astragalus injection in children with recurrent respiratory tract infection effect is positive.