Evaluation of C-reactive protein and myxovirus resistance protein A to guide the rational use of antibiotics among acute febrile adult patients in Northwest Ethiopia

Yibeltal Akelew, Agegnehu Derbew, Mulualem Lemma, Markos Negash, Gezahegn Bewket, Gizeaddis Belay, Julia Pollmann, Wim Adriaensen, Aynishet Adane, Rezika Mohammed, Johan van Griensven, Lieselotte Cnops

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Abstract

Objectives: In low-resource settings, treatment is often given empirically without knowledge of the aetiology due to a lack of diagnostics. In the search for reliable rapid tests to guide treatment work-up, this study was performed to determine whether two biomarkers could differentiate bacterial from non-bacterial infections in acute febrile patients.

Methods: Adults with acute fever were recruited at a referral hospital in Ethiopia. The QuikRead Go test was used to quantify C-reactive protein (qCRP) and the FebriDx test was used for combined qualitative detection of the bacterial CRP marker with myxovirus resistance protein A (MxA), a viral biomarker.

Results: Of the 200 patients included in this study, most presented with 2-3 days of fever, headache, and joint pain. Antibiotics were prescribed for 83.5% and antimalarials for 36.5%, while a bacterial infection was only confirmed in 5% and malaria in 11%. The median qCRP level for confirmed bacterial infections was 128 mg/l. The FebriDx and QuikRead Go test had an overall agreement of 72.0%.

Conclusions: An over-prescription of antibiotics for febrile patients was observed, even for those with low CRP levels and without a confirmed bacterial infection. The added value of the FebriDx was limited, while the combined use of rapid tests for qCRP and malaria should be considered for the management of acute febrile illness and antibiotic stewardship. (C) 2020 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.

Original languageEnglish
JournalInternational Journal of Infectious Diseases
Volume101
Pages (from-to)276-282
Number of pages7
ISSN1201-9712
DOIs
Publication statusPublished - 2020

Keywords

  • CRP
  • MxA
  • Acute febrile illness
  • Undifferentiated fever
  • Antibiotics
  • Ethiopia

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