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Purpose <p>Overtriage in the trauma resuscitation room (TRR) is often a consequence of admission based solely on trauma mechanism criteria. As interleukin-6 (IL-6) can assess injury severity in critically injured patients, the hypothesis of this study was that IL-6 can differentiate upon admission between mild (Injury Severity Score (ISS) 0–8) and moderate (ISS 9–15) trauma and that the parameter correlates with injury severity in lower injury severity groups (ISS &lt; 16) during the first 24&#xa0;h. Subsequently, we evaluated the ability to define IL-6 cut-off values with an adequate sensitivity, specificity, and negative predictive value to distinguish between moderate and mild injuries.</p> Methods <p>Fifty patients admitted to the TRR solely based on trauma mechanism criteria and with an ISS &lt; 16 were included in the study. IL-6 was measured at admission, 1, 6, 12 and 24&#xa0;h later.</p> Results <p>Thirty-one patients were mildly injured (ISS 0–8), while nineteen patients sustained moderate injuries (ISS 9–15). IL-6 correlated significantly with ISS at all time points. Moderately injured patients showed significantly higher IL-6 levels than mildly injured patients during the first 6&#xa0;h. IL-6 levels at admission predicted moderate injuries for the IL-6 cut-off value of 2.9pg/ml with a sensitivity of 0.933, specificity of 0.370 and a negative predictive value of 0.970 resulting in undertriage rates of 6.6% and overtriage rates of 54.8%.</p> Conclusion <p>The data of this feasibility study indicates that IL-6 has the potential to be employed in clinical workflows for early determination between patients with mild and moderate injuries, who are admitted to TRR based on trauma mechanism criteria to abort as early as possible TRR treatment and therefore free resources immediately while preserving patients’ safety.</p>

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Interleukin-6 to identify mildly injured patients in the trauma resuscitation room – a clinical feasibility study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月24日

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  • Tim Niklas Bewersdorf,
  • Marc Wimmer,
  • Erik Popp,
  • Jan Streblow,
  • Lukas Baumann,
  • Christine Leowardi,
  • Stephan Stein,
  • Gerhard Schmidmaier,
  • Tobias Grossner

摘要

Purpose

Overtriage in the trauma resuscitation room (TRR) is often a consequence of admission based solely on trauma mechanism criteria. As interleukin-6 (IL-6) can assess injury severity in critically injured patients, the hypothesis of this study was that IL-6 can differentiate upon admission between mild (Injury Severity Score (ISS) 0–8) and moderate (ISS 9–15) trauma and that the parameter correlates with injury severity in lower injury severity groups (ISS < 16) during the first 24 h. Subsequently, we evaluated the ability to define IL-6 cut-off values with an adequate sensitivity, specificity, and negative predictive value to distinguish between moderate and mild injuries.

Methods

Fifty patients admitted to the TRR solely based on trauma mechanism criteria and with an ISS < 16 were included in the study. IL-6 was measured at admission, 1, 6, 12 and 24 h later.

Results

Thirty-one patients were mildly injured (ISS 0–8), while nineteen patients sustained moderate injuries (ISS 9–15). IL-6 correlated significantly with ISS at all time points. Moderately injured patients showed significantly higher IL-6 levels than mildly injured patients during the first 6 h. IL-6 levels at admission predicted moderate injuries for the IL-6 cut-off value of 2.9pg/ml with a sensitivity of 0.933, specificity of 0.370 and a negative predictive value of 0.970 resulting in undertriage rates of 6.6% and overtriage rates of 54.8%.

Conclusion

The data of this feasibility study indicates that IL-6 has the potential to be employed in clinical workflows for early determination between patients with mild and moderate injuries, who are admitted to TRR based on trauma mechanism criteria to abort as early as possible TRR treatment and therefore free resources immediately while preserving patients’ safety.