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本文检测６２例反复呼吸道感染（ＲＲＩ）病儿血清ＳＩＬ－２Ｒ水平和Ｔ淋巴细胞亚群的变化。结果显示，ＲＲＩ急性发作期和缓解期血清ＳＩＬ－２Ｒ水平、ＣＤ８均明显升高，而ＣＤ４、ＣＤ４／ＣＤ８明显降低，与对照组比较，差异有显著性意义（Ｐ＜０．００１）。提示ＲＲＩ发病与ＳＩＬ－２Ｒ水平增高及Ｔ淋巴细胞亚群异常有关。
In this paper, 62 patients with recurrent respiratory tract infection (RRI) sick children serum SIL-2R levels and T lymphocyte subsets changes. The results showed that the levels of serum SIL-2R, CD8 and CD4, CD4 / CD8 in RRI acute exacerbation and remission were significantly higher than those in control group (P <0.001). It is suggested that the incidence of RRI is related to the increase of SIL-2R level and abnormal T lymphocyte subsets.