Published online before print
April 12, 2006, 10.1183/09031936.06.00131905
Eur Respir J 2006; 28:346-351
Copyright ©ERS Journals Ltd 2006
COPD is associated with increased mortality in patients with community-acquired pneumonia
M. I. Restrepo1,3,
E. M. Mortensen1,2,
J. A. Pugh1,2 and
A. Anzueto3
1 The Veterans Evidence-based Research, Dissemination, and Implementation Center, Audie L Murphy Veterans Hospital, and, Divisions of 2 General Medicine, and 3 Pulmonary and Critical Care Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
CORRESPONDENCE: M. I. Restrepo, VERDICT (11C6) at the South Texas Veterans Health Care System, Audie L. Murphy Division at San Antonio, 7400 Merton Minter Boulevard, San Antonio TX, 78284, USA. Fax: 1 2105674423. E-mail: restrepom{at}uthscsa.edu
Keywords: Chronic obstructive pulmonary disease, community-acquired pneumonia, mortality
Received: November 10, 2005
Accepted April 7, 2006
Patients with chronic obstructive pulmonary disease (COPD) who develop community-acquired pneumonia (CAP) may experience worse clinical outcomes. However, COPD is not included as a distinct diagnosis in validated instruments that predict mortality in patients with CAP. The aim of the present study was to evaluate the impact of COPD as a comorbid condition on 30- and 90-day mortality in CAP patients. A retrospective observational study was conducted at two hospitals. Eligible patients had a discharge diagnosis and radiological confirmation of CAP.
Among 744 patients with CAP, 215 had a comorbid diagnosis of COPD and 529 did not have COPD. The COPD group had a higher mean pneumonia severity index score (105±32 versus 87±34) and were admitted to the intensive care unit more frequently (25 versus 18%). After adjusting for severity of disease and processes of care, CAP patients with COPD showed significantly higher 30- and 90-day mortality than non-COPD patients.
Chronic obstructive pulmonary disease patients hospitalised with community-acquired pneumonia exhibited higher 30- and 90-day mortality than patients without chronic obstructive pulmonary disease. Chronic obstructive pulmonary disease should be evaluated for inclusion in community-acquired pneumonia prediction instruments.
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Copyright © 2006 by the European Respiratory Society.
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