• Int. J. Infect. Dis. · Jun 2020

    C-reactive protein and albumin kinetics after antibiotic therapy in community-acquired bloodstream infection.

    • Pedro Póvoa, Olav Sivertsen Garvik, Pernille Just Vinholt, Court Pedersen, Thøger Gorm Jensen, Hans Jørn Kolmos, Annmarie Touborg Lassen, and Kim Oren Gradel.
    • Polyvalent Intensive Care Unit, Hospital de São Francisco Xavier, CHLO, Estrada do Forte do Alto do Duque, 1449-005 Lisbon, Portugal; NOVA Medical School, CHRC, New University of Lisbon, Campo dos Mártires da Pátria, 1169-056 Lisbon, Portugal; Center for Clinical Epidemiology, Odense University Hospital, and Research Unit of Clinical Epidemiology, Department of Clinical Research, University of Southern Denmark, Kløvervænget 30, Entrance 216, Ground Floor, 5000 Odense C, Denmark.
    • Int. J. Infect. Dis. 2020 Jun 1; 95: 50-58.

    ObjectivesWe assessed C-reactive protein (CRP) and plasma albumin (PA) kinetics to evaluate community-acquired bloodstream infection (CA-BSI) patients' 1-year outcomes.MethodsPopulation-based study, with CRP and PA measurements on day 1 (D1) and D4. Relative CRP variations in relation to D1 CRP value were evaluated (CRP-ratio). Patients were classified as fast response, slow response, non-response, and biphasic response.ResultsA total of 935 patients were included. At D4, the CRP-ratio was lower in survivors on D365 in comparison with D4-D30 non-survivors and D30-D365 non-survivors (p<0.001). In comparison with fast response patients, non-response and biphasic response patients had 2.74 and 5.29 increased risk, respectively, of death in D4-D30 and 2.77 and 3.16 increased risk, respectively, of death in D31-D365. PA levels remained roughly unchanged from D1-D4, but lower D1 PA predicted higher short and long-term mortality (p<0.001). The discriminative performance of the CRP-ratio and D1 PA to identify patients with poor short and long-term mortality after adjustments was acceptable (AUROC=0.79).ConclusionsSerial CRP measurements at D1 and D4 after CA-BSI is clinically useful to identify patients with poor outcome. Individual patterns of CRP-ratio response with PA at D1 further refine our ability of predicting short or long-term mortality.Copyright © 2020 The Author(s). Published by Elsevier Ltd.. All rights reserved.

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