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Correspondence
Exacerbations in non-COPD patients: truth or myth
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  1. Deepak Aggarwal1,
  2. Alkesh Kumar Khurana2
  1. 1 Department of Pulmonary Medicine, Government Medical College & Hospital, Chandigarh, India
  2. 2 Department of Pulmonary Medicine, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
  1. Correspondence to Dr Alkesh Kumar Khurana, Department of Pulmonary Medicine, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh 462024, India; lungcancer{at}rediffmail.com

https://doi.org/10.1136/thoraxjnl-2014-205763

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    We read with great interest the article by Tan et al,1 whereby they have discussed the occurrence of exacerbation-like events in patients without COPD. The basic concept of the study needs debate and clarification.

    The authors have used the terms ‘non-COPD patients’ and ‘exacerbation like event’ to mention the group of patients who didn't fulfil the spirometric criteria for COPD. Without mentioning its causes, this non-COPD group with chronic respiratory symptoms …

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      Thorax 2014; 69 709-717 Published Online First: 04 Apr 2014. doi: 10.1136/thoraxjnl-2013-205048
    • PostScript
      Exacerbations in non-COPD patients: truth or myth—authors’ response
      Wan C Tan Jean Bourbeau Shawn Aaron J Mark FitzGerald Paul Hernandez Robert Cowie Kenneth R Chapman Darcy Marciniuk Francois Maltais Sonia Buist Denis O'Donnell Don D Sin
      Thorax 2014; 69 1050-1051 Published Online First: 04 Jul 2014. doi: 10.1136/thoraxjnl-2014-205889