文档介绍：· 462· 中国 呼吸与 危重 监护杂 志 2010 年 9 月 第 9 卷 第 5 期 Chin J Respir Crit Care Med, September 2010 , Department of Guangzhou Institute of Respiratory Diseases between December 2002 to March
2010. The causes of chronic cough were investigated using a well-established diagnostic protocol, including
history taking and physical examination, pulmonary function tests, induced sputum cytology, 24-h
esophageal pH monitoring, etc. The final diagnosis depended on clinical manifestations, examination
findings, and a successful response to therapy. Results 326 patients with chronic cough and pharyngitis-
like manifestations were included in the study with a median duration of 24 ( 2 ～480) months, a mean age of
41 ± 13 years. The causes of chronic cough were identified as follows: post nasal drip syndrome or upper
airway cough syndrome in 73 cases ( 23. 31% ) , cough variant asthma in 61 cases( 18. 71% ) , eosinophilic
bronchitis in 70 cases( 22. 47% ) , gastroesophageal reflux-induced cough in 54 cases( 16. 56% ) , atopic
cough in 48 cases( 14. 72% ) , and others in 40 cases ( 12. 27% ) . There is no significant difference in
percentage of common causes of chronic cough ( P > 0. 05) . Conclusion The proportions of upper airway
syndrome and other common causes are similar in chronic cough with pharyngitis-like manifestatioins, which
suggest pharyngi