激发试验的哮喘患者停用舒张剂后阳性率的比较研究
A Comparative Study on the Positive Rate in Provocative Test after Stop Using Bronchodilators in Asthmatic Patients
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摘要: 目的 探讨激发试验时停用舒张剂24 h与72 h后阳性率的区别.方法 采用德国耶格MASTERS OCOPE APSPRO肺功能仪用同步吸气触发喷雾方式对200例临床疑似哮喘的患者吸入乙酰甲胆碱激发剂进行激发试验.结果 停用舒张剂72 h以上者的激发试验阳性率高于停用舒张剂24 h内的患者,差异有统计学意义(P＜0.01).结论 停用舒张剂在72 h以上者更有利药物的充分排泄,对激发剂的对抗作用减少,气道高反应性的检出率提高.Abstract: Objective To compare the positive rate of asthmatic patients in provocative test between 24 h and 72 h after stop using bronchodilators.Method 200 suspected asthmatic patients were given provocative test by inhalating methacholine with Jaeger MASTERS OCOPE APSPRO spirometry 24 h and 72 h after stop using bronchodilators.Result The positive rate of asthmatic patients in provocative test 72h after stop using bronchodilators was higher than 24 h after stop using bronchodilators,the difference had statistical s...
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Key words:
- Asthma /
- Provocative test /
- Stop using bronchodilators time
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