Inflammatory responses predict long-term mortality risk in community-acquired pneumonia

Guertler, C. and Wirz, B. and Christ-Crain, M. and Zimmerli, W. and Mueller, B. and Schuetz, P.. (2011) Inflammatory responses predict long-term mortality risk in community-acquired pneumonia. European Respiratory Journal, 37 (6). pp. 1439-1446.

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Official URL: http://edoc.unibas.ch/dok/A6004023

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Long-term outcomes in patients surviving community-acquired pneumonia (CAP) are still incompletely understood. This study investigates the association of clinical parameters and blood markers with long-term mortality. We prospectively followed 877 CAP patients from a previous multicentre trial for 18 months follow-up and investigated all-cause mortality following hospital discharge. Overall mortality was 17.3% (95% CI 14.8-19.8%) with a 12.8% (95% CI 10.9-15.0%) mortality incidence rate per year. Initial risk assignment using the Pneumonia Severity Index was accurate during the 18 month follow-up. Multivariable regression models (hazard ratio, 95% CI) designated the following as independent risk factors for long-term mortality: male sex (1.7, 1.2-2.5); chronic obstructive pulmonary disease (1.5, 1.1-2.1); neoplastic disease (2.5, 1.7-3.7); and highest quartile of peak pro-adrenomedullin level (3.3, 1.7-6.2). Initial presentation with temperature<38.7°C (0.4, 0.2-0.6), chills (0.6, 0.4-0.99) and highest quartile of the inflammatory marker C-reactive-protein (0.3, 0.2-0.5) were independent protective factors. A weighted risk score based on these variables showed good discrimination (area under receiver operating characteristic curve 0.78, 95% CI 0.74-0.82). Pronounced clinical and laboratory signs of systemic inflammatory host response upon initial hospital stay were associated with favourable long-term prognosis. Further studies should address whether closer monitoring of high-risk CAP patients after hospital discharge favourably impacts long-term mortality.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Endokrinologie / Diabetologie > Endokrinologie (Christ-Crain)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Endokrinologie / Diabetologie > Endokrinologie (Christ-Crain)
UniBasel Contributors:Christ-Crain, Mirjam and Müller, Beat
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:European Respiratory Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:30 Nov 2017 09:21
Deposited On:13 Sep 2013 07:49

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