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Year : 2022  |  Volume : 22  |  Issue : 4  |  Page : 169-176

Use of infection biomarkers in the emergency department

Infectious Disease and Clinical Microbiology, Gazi University School of Medicine, Ankara, Turkey

Correspondence Address:
Hasan Selcuk Ozger
Gazi University Medical School Department of Infectious Diseases, Besevler, Ankara
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2452-2473.357347

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The use of infection biomarkers in the emergency department is discussed in terms of their possible contributions to diagnostic-prognostic uncertainties, appropriate antibiotic treatments, and triage and follow-up planning. Procalcitonin (PCT), C-reactive protein (CRP), proadrenomedullin (proADM), and presepsin are among the most discussed infection biomarkers for use in the emergency department. Due to the variable sensitivity results and cutoff values, there are insufficient data to recommend the widespread use of CRP and procalcitonin (PCT) for the diagnosis and prognosis of infection in the emergency department. However, these biomarkers can be used for appropriate antibiotic use in selected infection groups, such as community-acquired pneumonia, especially to reduce unnecessary antibiotic prescribing. With its prognostic superiority over other biomarkers and its contribution to prognostic score systems in community-acquired pneumonia (CAP), proADM can be used to predict hospitalization, preferably within the scope of clinical studies. Although presepsin has been shown to have some advantages over other biomarkers to rule out sepsis, there are insufficient data for its clinical use in the emergency department.

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