Procalcitonin as a Biomarker in Respiratory Tract Infection
Open Access
- 1 May 2011
- journal article
- review article
- Published by Oxford University Press (OUP) in Clinical Infectious Diseases
- Vol. 52 (uppl_4), S346-S350
- https://doi.org/10.1093/cid/cir050
Abstract
Serum procalcitonin (PCT) levels rapidly increase in patients with invasive bacterial disease. PCT levels increase faster than do C-reactive protein levels. Furthermore, a rapid decrease in the PCT level is supporting evidence that the source of the bacterial infection is responding to clinical management. In patients with community-acquired bacterial pneumonia, sequential PCT levels are useful as a guide to shorter courses of antimicrobial therapy. With use of emerging multiplex real–time polymerase chain reaction platforms for the detection of viral and bacterial respiratory pathogens, it should be possible to critically assess whether an elevated serum PCT level is a valid biomarker of invasive bacterial infection.This publication has 28 references indexed in Scilit:
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