How to: implement procalcitonin testing in my practice

Adding procalcitonin (PCT) to antibiotic stewardship algorithms may improve antibiotic use. However, PCT protocols need to be adapted to clinical settings and patient populations. To review PCT use in different medical settings and patient populations. Most recent trials and meta-analyses investigat...

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Bibliographic Details
Published in:	Clinical microbiology and infection Vol. 25; no. 10; pp. 1226 - 1230
Main Authors:	Neeser, O., Branche, A., Mueller, B., Schuetz, P.
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01-10-2019
Subjects:	Anti-Bacterial Agents - therapeutic use Antibiotic stewardship Antimicrobial Stewardship - methods Bacterial Infections - diagnosis Bacterial Infections - drug therapy Biomarker Diagnostic Tests, Routine - methods Humans Procalcitonin Procalcitonin - blood Respiratory infection Respiratory Tract Infections - diagnosis Respiratory Tract Infections - drug therapy Sepsis Sepsis - diagnosis Sepsis - drug therapy Sepsis Biomarker Antibiotic stewardship Procalcitonin Respiratory infection
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Summary:	Adding procalcitonin (PCT) to antibiotic stewardship algorithms may improve antibiotic use. However, PCT protocols need to be adapted to clinical settings and patient populations. To review PCT use in different medical settings and patient populations. Most recent trials and meta-analyses investigating PCT for antibiotic stewardship were reviewed. Several trials found PCT-guided antibiotic stewardship to reduce antibiotic exposure and associated side-effects among patients with respiratory infection and sepsis. Decisions regarding antibiotic use in an individual patient are complex and should be based on the pre-test probability for bacterial infection, the severity of presentation and the results of PCT. In the context of a low pre-test probability for bacterial infections and a low-risk patient, a low PCT level helps to rule out bacterial infection and empiric antibiotic therapy can be avoided. In the context of a high pre-test probability for bacterial infections and/or a high-risk patient with sepsis, monitoring of PCT over time helps to track the resolution of infection and decisions regarding early stop of antibiotic treatment. Although these concepts have been successful in several respiratory infection and sepsis trials, some studies failed to show an added benefit of PCT due to factors such as low protocol adherence and relying on single rather than repeat PCT measurements. As an adjunct to other clinical and laboratory parameters, PCT provides information about risk for bacterial infection and resolution of infection, and improves antibiotic stewardship decisions, thereby offering more individualized treatment courses with overall reduced antibiotic exposure.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Undefined-1 ObjectType-Feature-3 content type line 23
ISSN:	1198-743X 1469-0691
DOI:	10.1016/j.cmi.2018.12.028