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sTREM-1, sIL-2Rα, and IL-6, but not sCD163, might predict sepsis in polytrauma patients: a prospective cohort study

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European Journal of Trauma and Emergency Surgery Aims and scope Submit manuscript

Abstract

Background

To investigate whether sTREM-1, sIL-2Rα, sCD163, and IL-6 predict septic complications following polytrauma. Prospective observational study in a university hospital intensive care unit.

Methods

Blood samples were drawn on admission, 24 and 48 h after the injury from 64 adult polytrauma patients. The occurence of infectious complications was investigated. The sepsis-free rates for the multiple trauma patients were considered as end points in the Kaplan–Meier plot analysis.

Results

Upon admission, sIL-2Rα mean values were higher in the T group compared to the T&S patients (1789 ± 1027 pg/mL versus 1280 ± 605 pg/mL, p = 0.02). The initial mean values of sTREM-1, IL-6, and sCD163 did not discriminate between the T and T&S groups patients (p > 0.05). sTREM-1 cutoff was 62 pg/mL: the sepsis-free rates differed significantly between the patients with sTREM-1 concentrations lower and higher than the cutoff (80 versus 48 %, p < 0.01). From the patients with serum sIL-2Rα ≥1593 pg/mL, 86 % did not present sepsis; for sIL-2Rα values in the range 946–1593 pg/mL, the sepsis-free rate was 68 %, while from the patients with sIL-2Rα <945 pg/mL, only 40 % remained sepsis-free (p = 0.05). sCD163 cutoff of 1000 ng/mL did not discriminate between the patients (76 versus 64 %, p = 0.28). For IL-6, the sepsis-free rates differed significantly between the patients with concentrations lower and higher than 400 pg/mL (78 versus 38 %, p < 0.01).

Conclusions

sTREM-1, sIL-2Rα, and IL-6, but not CD163, may be used as prognostic markers for the occurrence of sepsis in multiple trauma patients.

Level of evidence

Level II-Diagnostic tests and criteria

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Acknowledgments

We thank Nicolae Todor for the statistical advice.

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Correspondence to S. Trancă.

Ethics declarations

This study was approved by the Ethics Committee of the “Iuliu Hațieganu” University of Medicine and Pharmacy Cluj-Napoca, Romania (Approval no. 549/2012), in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments and all included patients or their next of kin gave written informed consent.

Conflict of interest

Sebastian Tranca, Jaap Ten Oever, Mihai Netea, Constantin Ciuce, Adriana Slavcovici, Cristina Petrisor, Natalia Hagau—declare that they have no conflict of interest.

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Trancă, S., Oever, J.T., Ciuce, C. et al. sTREM-1, sIL-2Rα, and IL-6, but not sCD163, might predict sepsis in polytrauma patients: a prospective cohort study. Eur J Trauma Emerg Surg 43, 363–370 (2017). https://doi.org/10.1007/s00068-016-0678-1

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  • DOI: https://doi.org/10.1007/s00068-016-0678-1

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