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应用ＴＡＲ－１型气道反应性测定仪对１８例临床诊断为咳嗽变异性哮喘患儿进行了检测，同时对１５例临床诊断为反复呼吸道感染患儿作了对照观察。检测结果：咳嗽变异性哮喘患儿１５例为阳性，３例阴性；反复呼吸道感染患儿１２例为阴性，３例可疑阳性。两组有非常显著性差异。在临床上，咳嗽是咳嗽变异性哮喘的唯一症状，往往不易与慢性支气管炎或反复呼吸道感染相鉴别而延误诊治。咳嗽变异性哮喘属哮喘范畴，气道可呈高反应性，本检测观察证实了这一点，具有重要诊断与鉴别诊断价值。ＴＡＲ－１型气道反应性测定仪系我国研制，操作简易，使用方便，价格低廉，特别适用于儿童的检测，可广泛应用于流行病学调查及临床气道高反应性疾患的观察研究
TAR-1-type airway reactivity analyzer was used to detect 18 cases of children with cough-variant asthma and 15 cases of children with recurrent respiratory tract infection were also observed. Results: Fifteen cases of cough variant asthma were positive and three cases were negative. Twelve cases of recurrent respiratory tract infection were negative and three cases were suspicious. There was a very significant difference between the two groups. Clinically, cough is the only symptom of cough variant asthma, often not easy to distinguish with chronic bronchitis or recurrent respiratory tract delay diagnosis and treatment. Cough variant asthma is asthma category, airway can be highly reactive, this test confirmed this point, with important diagnostic and differential diagnosis. TAR-1-type airway reactivity analyzer developed in our country, easy to operate, easy to use, low price, especially for children’s detection, can be widely used in epidemiological investigation and clinical observation of airway hyperresponsiveness