edoc-vmtest

Circulating levels of pro-atrial natriuretic peptide in lower respiratory tract infections

Muller, B. and Suess, E. and Schuetz, P. and Muller, C. and Bingisser, R. and Bergmann, A. and Stolz, D. and Tamm, M. and Morgenthaler, N. G. and Christ-Crain, M.. (2006) Circulating levels of pro-atrial natriuretic peptide in lower respiratory tract infections. Journal of Internal Medicine, 260 (6). pp. 568-576.

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Official URL: http://edoc.unibas.ch/56849/

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Abstract

OBJECTIVE: To analyse the mid region of plasma N-terminal pro-atrial natriuretic peptide (MR-proANP) levels in patients with lower respiratory tract infections to evaluate its prognostic use for the severity of disease and outcome. DESIGN: Prospective observational study. Setting. Emergency department of a university hospital. SUBJECTS: A total of 545 consecutive patients with lower respiratory tract infections and 50 healthy controls. Interventions. MR-proANP was measured in serum from all patients using a new sandwich immunoassay. RESULTS: MR-proANP levels (median [IQR], in pmol L(-1)) were significantly higher in patients with lower respiratory tract infections when compared with controls (138.0 [74.1-279.0] vs. 72.7 [62.5-89.5], P > 0.001), with highest levels in patients with community-acquired pneumonia (CAP). MR-proANP, but not C-reactive protein (CRP) levels, gradually increased with increasing severity of CAP, classified according to the pneumonia severity index (PSI) score (P > 0.001). On admission, MR-proANP levels were significantly higher in nonsurvivors when compared with survivors (293.0 [154.0-633.0] vs. 129.0 [71.4-255.0], P > 0.001). In a receiver operating characteristic (ROC) analysis for the prediction of survival of patients with CAP the area under the ROC curve (AUC) for MR-proANP was 0.69, similar when compared with the PSI (AUC 0.74, P = 0.31), and better when compared with other biomarkers, i.e. procalcitonin (AUC 0.57, P = 0.08), CRP (AUC 0.52, P = 0.02), and leucocyte count (AUC 0.56, P = 0.07). CONCLUSIONS: MR-proANP levels are increased in lower respiratory tract infections, especially in CAP. Together with other clinical, radiographic and laboratory findings, MR-proANP levels might be helpful for the risk stratification in CAP.
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:Wiley
ISSN:0954-6820
e-ISSN:1365-2796
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:27 Nov 2017 12:26
Deposited On:27 Nov 2017 12:26

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