Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Obstructive sleep apnoea: a cause of chronic cough. | Cough BioMed Central Research Obstructive sleep apnoea a cause of chronic cough Surinder S Birring 3 Alvin J Ing1 Kevin Chan1 Gavina Cossa1 Sergio Matos2 Michael DL Morgan2 and Ian D Pavord2 Open Access Address Respiratory Investigation Unit Concord Hospital Sydney Australia institute for Lung Health Department of Respiratory Medicine Glenfield Hospital Leicester UK and 3Department of Respiratory Medicine King s College Hospital London UK Email Surinder S Birring - Alvin J Ing - ajing@ Kevin Chan - Gavina Cossa - cossag@ Sergio Matos - aleixomatos@ Michael DL Morgan - Ian D Pavord - Corresponding author Received 19 March 2007 Accepted 2 July 2007 Published 2 July 2007 Cough 2007 3 7 doi 1745-9974-3-7 This article is available from http content 3 1 7 2007 Birring et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Chronic cough is a common reason for presentation to both general practice and respiratory clinics. In up to 25 of cases the cause remains unclear after extensive investigations. We report 4 patients presenting with an isolated chronic cough who were subsequently found to have obstructive sleep apnoea. The cough improved rapidly with nocturnal continuous positive airway pressure therapy. Further studies are required to investigate the prevalence of coexistence of these common conditions. Background Chronic cough is one of the commonest reasons for presentation to respiratory clinics. Investigations are usually aimed at identifying the three most common causes of chronic cough cough variant asthma gastro-oesophageal reflux and .