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| The Cause Analysis and Curative Effect Observation of 120 Chronic Cough Patients |
| Changping Hospital of Dongguan， Dongguan 523573，China |
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Abstract Objective：To explore the etiology structure and therapeutic effect of chronic cough in Dongguan Changping area.Method：Totally 120 patients with chronic cough were diagnosed using a diagnostic protocol based on the guideline on diagnosis and treatment of chronic cough established by Chinese medical association and the american college of chest physicians， which included clinical manifestation， auxiliary examination and empirical treatment effect.The curative effect was judged after specific treatment and drug withdrawal 4 weeks.Result：The cause of chronic cough was confirmed in 112 patients（ 93.3%）， with a single cause found in 104 patients.The top 5 important single cause of cough were：cough variant asthma（CVA）， upper airway cough syndrome（UACS）， gastroesophageal reflux（ GERC）， postinfection cough（PIC）， atopic cough（AC）.After specific therapy based on diagnosis， cough disappeared in 30 patients （25.0%）， alleviated in 75 patients（62.5%） and had no changed in 7 patients（5.8%）.Conclusion： CVA， UACS and GERC are the most common causes of chronic cough in Dongguan changping area.Specific therapy based on definite cause can result in a good outcome.
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