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Direct comparison of three natriuretic peptides for prediction of short- and long-term mortality in patients with community-acquired pneumonia

Nowak, A. and Breidthardt, T. and Christ-Crain, M. and Bingisser, R. and Meune, C. and Tanglay, Y. and Heinisch, C. and Reiter, M. and Drexler, B. and Arenja, N. and Twerenbold, R. and Stolz, D. and Tamm, M. and Muller, B. and Muller, C.. (2012) Direct comparison of three natriuretic peptides for prediction of short- and long-term mortality in patients with community-acquired pneumonia. Chest, 141 (4). pp. 974-982.

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Official URL: http://edoc.unibas.ch/56863/

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Abstract

BACKGROUND: Early and accurate risk stratification for patients with community-acquired pneumonia (CAP) is an unmet clinical need. METHODS: We enrolled 341 unselected patients presenting to the ED with CAP in whom blinded measurements of N-terminal pro-B-type natriuretic peptide (NT-proBNP), midregional pro-atrial natriuretic peptide (MR-proANP), and B-type natriuretic peptide (BNP) were performed. The potential of these natriuretic peptides to predict short- (30-day) and long-term mortality was compared with the pneumonia severity index (PSI) and CURB-65 (confusion, urea plasma level, respiratory rate, BP, age over 65 years). The median follow-up was 942 days. RESULTS: NT-proBNP, MR-proANP, and BNP levels at presentation were higher in short-term (median 4,882 pg/mL vs 1,133 pg/mL; 426 pmol/L vs 178 pmol/L; 436 pg/mL vs 155 pg/mL, all P > .001) and long-term nonsurvivors (3,515 pg/mL vs 548 pg/mL; 283 pmol/L vs 136 pmol/L; 318 pg/mL vs 103 pg/mL, all P > .001) as compared with survivors. Receiver operating characteristics analysis to quantify the prognostic accuracy showed comparable areas under the curve for the three natriuretic peptides to PSI for short-term (PSI 0.76, 95% CI, 0.71-0.81; NT-proBNP 0.73, 95% CI, 0.67-0.77; MR-proANP 0.72, 95% CI, 0.67-0.77; BNP 0.68, 95% CI, 0.63-0.73) and long-term (PSI 0.72, 95% CI, 0.66-0.77; NT-proBNP 0.75, 95% CI, 0.70-0.80; MR-proANP 0.73, 95% CI, 0.67-0.77, BNP 0.70, 95% CI, 0.65-0.75) mortality. In multivariable Cox-regression analysis, NT-proBNP remained an independent mortality predictor (hazard ratio 1.004, 95% CI, 1.00-1.01, P = .02 for short-term; hazard ratio 1.004, 95% CI, 1.00-1.01, P = .001 for long-term, increase of 300 pg/mL). A categorical approach combining PSI point values and NT-pro-BNP levels adequately identified patients at low, medium, and high short- and long-term mortality risk. CONCLUSIONS: Natriuretic peptides are simple and powerful predictors of short- and long-term mortality for patients with CAP. Their prognostic accuracy is comparable to PSI.
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)
UniBasel Contributors:Müller, Beat
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier
ISSN:0012-3692
e-ISSN:1931-3543
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:30 Nov 2017 11:07
Deposited On:30 Nov 2017 11:07

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