Interleukin-18 serum levels in sepsis: Correlation with disease severity and inflammatory markers.

Cytokine 2019 Apr 16;120:22-27. Epub 2019 Apr 16.

Department of Anesthesiology and Intensive Therapy, 4th Military Hospital of Wroclaw, Weigla 5, 50-981 Wroclaw, Poland; Faculty of Health Science, Wroclaw Medical University, Wroclaw, Poland. Electronic address:

Purpose: Sepsis is defined as a life-threatening organ dysfunction caused by a dysregulated host response to infection and a syndrome shaped by pathogen and host factors with characteristic that evolve over time. The study was conducted to evaluate the prognostic and discriminative value of IL-18 assessment in comparison to PCT, CRP, WBC in early stage of sepsis and septic shock.

Methods: An observational and prospective study was conducted in the group of 40 ICU patients with diagnosis of sepsis or septic shock, serum PCT, IL-18, CRP and WBC measurements were performed on admission, and on the 2nd, 3rd and 5th therapy day. The level of IL-18 was determined with commercially available test according to manufacturer's protocol.

Results: There were no statistically significant differences in IL-18 levels in survivors vs non-survivors and in sepsis vs septic shock subgroups the IL-18 levels were statistically significant in the course of the study except for the 5th day.

Conclusion: The PCT, CRP and WBC levels revealed no significant differences between any analyzed subgroups in all time points during study. According to our results the IL-18 is a biomarker better differentiating sepsis and septic shock status than PCT, CRP and WBC but with no prognostic impact.

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Source
https://linkinghub.elsevier.com/retrieve/pii/S10434666193010
Publisher Site
http://dx.doi.org/10.1016/j.cyto.2019.04.003DOI Listing
April 2019
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