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Use of B-type natriuretic peptide in the risk stratification of community-acquired pneumonia

Christ-Crain, M. and Breidthardt, T. and Stolz, D. and Zobrist, K. and Bingisser, R. and Miedinger, D. and Leuppi, J. and Tamm, M. and Mueller, B. and Mueller, C.. (2008) Use of B-type natriuretic peptide in the risk stratification of community-acquired pneumonia. Journal of Internal Medicine, 264 (2). pp. 166-176.

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Official URL: http://edoc.unibas.ch/dok/A6006611

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Abstract

BACKGROUND: Community-acquired pneumonia (CAP) is the leading infectious cause of death in developed countries. Risk stratification has previously been difficult. METHODS: Markers of cardiac stress (B-type natriuretic peptide, BNP) and inflammation (C-reactive protein, white blood cell count, procalcitonin) as well as the pneumonia severity index (PSI) were determined in 302 consecutive patients presenting to the emergency department (ED) with CAP. The accuracy of these parameters to predict death was evaluated as the primary endpoint. Prediction of treatment failure was considered as the secondary endpoint. RESULTS: B-type natriuretic peptide levels increased with rising disease severity as classified by the PSI (P = 0.015). BNP levels were significantly higher in nonsurvivors compared to survivors [median 439.2 (IQR 137.1-1384.6) vs. 114.3 (51.3-359.6) pg mL(-1), P > 0.001]. In a receiver operating characteristic analysis for the prediction of survival the area under the curve (AUC) for BNP was comparable to the AUC of the PSI (0.75 vs. 0.71, P = 0.52). Importantly, the combination of BNP and the PSI significantly improved the prognostic accuracy of the PSI alone (AUC 0.78 vs. 0.71; P = 0.02). The optimal cut-off for BNP was 279 pg mL(-1). The accuracy of BNP to predict treatment failure was identical to the accuracy to predict death (AUC 0.75). CONCLUSIONS: In patients with CAP, BNP levels are powerful and independent predictors of death and treatment failure. When used in conjunction with the PSI, BNP levels significantly improve the risk prediction when compared with the PSI alone.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Allgemeine innere Medizin AG > Argovia Professur für Medizin (Müller)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Allgemeine innere Medizin AG > Argovia Professur für Medizin (Müller)
03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Stationäre innere Medizin (Schifferli)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Stationäre innere Medizin (Schifferli)
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)
03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Pneumologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Pneumologie
03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Pulmonary Cell Research (Roth/Tamm)
UniBasel Contributors:Müller, Christian and Leuppi, Jörg D. and Bingisser, Roland M. and Christ-Crain, Mirjam and Tamm, Michael and Müller, Beat
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Wiley
ISSN:0954-6820
e-ISSN:1365-2796
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:28 Nov 2017 11:05
Deposited On:08 Nov 2012 16:20

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