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气道激发试验诊断咳嗽变异性哮喘的临床观察

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摘要 目的探讨气道激发试验对咳嗽变异性哮喘的诊断价值。方法我们利用德国耶格公司生产的MasterScreen肺功能仪对35例慢性咳嗽患者分步顺次成倍递增至乙酰甲胆碱累积剂量给予气道激发试验,测定FEV1.0,当FEV1.0较基础值降低量≥20%时即终止。结果在35例患者中,FEV1.0下降超过20%,即PC20FEV1.0<8mg/mL激发试验阳性10例(28.6%),阴性25例(71.4%)。结论气道激发试验只是支气管哮喘的诊断辅助手段。
出处 《中国现代医生》 2009年第22期50-51,共2页 China Modern Doctor
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