Friday, 14 December 2012

Chronic cough most often caused by asthma, Guangzhou study shows

One in three patients with chronic cough have asthma-related cough, a study from Guangzhou has found.
Dr Lai Kefang and colleagues in the Guangzhou Institute of Respiratory Diseases at the First Affiliated Hospital of Guangzhou Medical University examined the causes of chronic cough in 640 patients from five regions of China.
   They found that  the most common causes were included asthma (cough-variant asthma VA, 33%),upper airway cough syndrome (19%), eosinophilic bronchitis (17%) and atopic cough (13%).
Collectively, these four causes accounted for 75% to 88% of chronic cough without significant variation across all regions. Gastroesophageal reflux-related cough was identified in 5% of cases of chronic cough.
Source: Chest

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