治疗前、后分别进行乙酰甲胆碱激发试验，并检测高渗盐水诱导痰嗜酸性粒细胞的百分含量。
Methacholine challenge test and measurement of percentage of eosinophils in hypertonic saline-induced sputum were performed before and after the treatment period.
方法：在为期3年的前瞻性研究中，对769名暴露于高分子量变应原的学徒工进行乙酰甲胆碱激发试验和系列的问卷调查。
Methods: a 3 year prospective study involving methacholine challenge tests and serially administered questionnaires was undertaken in 769 apprentices exposed to high molecular weight allergens.
结论短期应用白三烯受体拮抗剂可改善哮喘患者乙酰甲胆碱支气管激发试验剂量-反应曲线参数。
Conclusion Short term use of Zafirlucast in asthmatic patients could improve the parameters of dose response curve obtained after the methacholine challenge test.
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