咳嗽变异型哮喘67例误诊原因分析

目的探讨咳嗽变异型哮喘（CVA）临床特点和误诊原因，提高对本病的诊断水平。方法对67例患者的临床资料进行回顾性分析。结果CVA常以咳嗽为唯一症状，无喘息；肺功能测定气道反应性增高。本组67例患者支气管舒张实验均阳性。67例患者误诊为支气管炎22例，肺炎9例，咽炎16例，上呼吸道感染18例，胃食管返流1例，支气管内膜结核1例。结论医师应对CVA有足够的重视，仔细询问病史，避免误诊和漏诊。

Analysis of misdiagnosis causes in the 67 inpatients with cough variant asthma.

Objective To investigate the chnical features and misdiagnosis causes of cough variant asthma and to elevate the ability of diagnosis to this disease. Methods The clinical data of 67 inpatients with cough variant asthma misdiagnosed were analyzed retrospectively. Results Patients with cough variant asthma usually suffered from cough only without any other symptoms, such as gasping for breath. Lung function tests showed that airway rectivity increased in these patients. The results of bronchodilatation test were positive in 67 patients. The misdiagnosis causes of 67 patients suffering from cough variant asthma include 22 cases of bronchitis, nine cases of pneumonia, 16 cases of pharyngitis, 18 cases of upper respiratory infection, one case of gastro-esophagus reflux and one case of endobronchial tuberculosis. Conclusion Physician should pay more attention to cough variant asthma and carefully inquire patient history so as to avoid misdiagnosis and missed diagnosis to this disease.