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目的：探讨咳嗽型变异型哮喘患者唾液中ＳＩｇＡ 含量。方法：应用白桂木凝集素－ＨＲＰ夹心法，测定３３例咳嗽变异型哮喘患者与 ２８例支气管哮喘患者及 ３５例正常人唾液中 ＳＩｇＡ含量作对照。结果：咳嗽变异型哮喘和支气管哮喘患者唾液中的ＳＩｇ含量均明显高于正常人（Ｐ＜０．０１）；而咳嗽变异患者唾液中ＳＩｇＡ与支气管哮喘患者唾液中ＳＩｇＡ合量比较无显著性差异（Ｐ＞０．０５）。结论：咳嗽变异型哮喘患者唾液ＳＩgＡ含量增高，机体处于感染期。
Objective: To investigate the content of SIgA in saliva of patients with cough variant asthma. Methods: The content of SIgA in saliva of 33 patients with cough variant asthma and 28 patients with bronchial asthma and 35 normal controls was measured by the injection of Baiji Lectin-HRP. Results: SIg levels in saliva of patients with cough variant asthma and bronchial asthma were significantly higher than those of normal controls (P <0.01). There was no significant difference in the SIgA levels in saliva of patients with cough variation compared with patients with bronchial asthma (P> 0.05). Conclusion: The saliva content of SIgA in patients with cough variant asthma is increased, and the body is in the infection stage.