Diagnostic analysis of fiberoptic bronchoscopy in 68 cases of chronic cough

Objective To investigate the clinical value of fiberoptic bronchoscopy in diagnosing the cause of chronic cough.Methods After denied the diagnosis of cough variant asthma,postnasal drip syndrome and gastroesophageal reflux,the 68 patients suffered from chronic cough of unknown for 8 weeks were examined with fiberoptic bronchoscopy.Results After the examination with fiberoptic bronchoscopy for diagnosing the cause of chronic cough,42 patients with chronic bronchitis were determined,6 patients with bronchopulmonary carcinoma,7 patients with tracheal or bronchial tuberculosis,1 patient with bronchial polypus,2 patients with bronchial eyewinker,1 patient with tracheal and bronchial infection of epiphyte.Nine patients were normal.Conclusion The data show the examination of fiberoptic bronchoscopy is quite indispensable to diagnose the cause of chronic cough of unknown.