• Eur. J. Clin. Microbiol. Infect. Dis. · Apr 1999

    Procalcitonin concentrations in patients with neutropenic fever.

    • E Ruokonen, T Nousiainen, K Pulkki, and J Takala.
    • Critical Care Research Program, Department of Anaesthesiology and Intensive Care, Kuopio University Hospital, Finland.
    • Eur. J. Clin. Microbiol. Infect. Dis. 1999 Apr 1;18(4):283-5.

    AbstractTo assess the usefulness of markers of inflammation in distinguishing bacterial infection from severe systemic nonbacterial inflammation, concentrations of procalcitonin, neopterin, endotoxin, tumor necrosis factor, and interleukin-6 were measured in 28 neutropenic patients at the onset of fever and twice thereafter at 4 h intervals. Infection was found in 11 patients, and 17 patients had fever of undetermined origin. The procalcitonin concentration increased rapidly in patients with infection: the response was detectable within 8 h of the onset of fever. Procalcitonin is a specific but not a sensitive marker of infection in patients with neutropenic fever. Its poor sensitivity was related to an absent or delayed response in patients with gram-positive infections. Considerable overlap between infected and noninfected patients was found in levels of endotoxin, tumor necrosis factor, and interleukin-6.

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