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Purpose <p>Stress-induced hyperglycemia is a frequent metabolic response to polytrauma. To date, studies primarily analyzed its association with mortality; however, its effect on functional outcomes remain unclear. This study investigated the association between sustained hyperglycemia across metabolic phases and functional outcomes in polytraumatized ICU patients.</p> Methods <p>This retrospective single-center observational study included 176 adult ICU polytrauma patients admitted to a German level 1 university trauma center (2013–2023). Blood ​glucose was quantified using admission values, time-weighted averages, variability and time-unified hyperglycemic rate (TUHyperR; cutoffs 140/160/180&#xa0;mg/dL) across the early “ebb” (≤ 48&#xa0;h) and later “flow” (&gt; 48&#xa0;h) metabolic phases. Primary endpoint was functional outcome using Glasgow outcome scale (GOS; unfavorable GOS ≤ 3). Temporal trends were analyzed using mixed-effects models, and associations with outcomes were assessed using multivariable logistic regression.</p> Results <p>Patients with unfavorable outcomes (39.2%) had higher cumulative hyperglycemic exposure throughout their ICU stay. Hyperglycemia was consistently higher during ebb than flow phase. Moderate hyperglycemia during the ebb phase was also in multivariable analysis most discriminative: TUHyperR&gt;140&#xa0;mg/dL (OR 1.015, 95%-CI [1.004–1.025], <i>p</i> = 0.008) and TUHyperR&gt;160&#xa0;mg/dL (OR 1.016, 95%-CI [1.003–1.030], <i>p</i> = 0.017) were independently associated with unfavorable outcomes, whereas TUHyperR&gt;180&#xa0;mg/dL, admission, mean glucose values as well as glycemic variability were not.</p> Conclusion <p>Prolonged moderate hyperglycemia within the first 48&#xa0;h after polytrauma was independently associated with poor functional outcome at hospital discharge. These exploratory findings support the value of cumulative glycemic exposure as a potential risk marker and highlight the need for prospective studies to determine whether time-based glucose metrics might improve risk stratification and guide metabolic management in polytrauma ICU patients.</p> Graphical Abstract <p></p>

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Association between sustained moderate hyperglycemia within first 48 hours and poor functional outcome after polytrauma: A retrospective cohort study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月23日

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  • Matthias Manfred Deininger,
  • Paul Wassersteiner,
  • Nico Haehn,
  • Judith Huth,
  • Gernot Marx,
  • Christian David Weber,
  • Frank Hildebrand,
  • Tim-Philipp Simon,
  • Carina Benstoem,
  • Thomas Breuer

摘要

Purpose

Stress-induced hyperglycemia is a frequent metabolic response to polytrauma. To date, studies primarily analyzed its association with mortality; however, its effect on functional outcomes remain unclear. This study investigated the association between sustained hyperglycemia across metabolic phases and functional outcomes in polytraumatized ICU patients.

Methods

This retrospective single-center observational study included 176 adult ICU polytrauma patients admitted to a German level 1 university trauma center (2013–2023). Blood ​glucose was quantified using admission values, time-weighted averages, variability and time-unified hyperglycemic rate (TUHyperR; cutoffs 140/160/180 mg/dL) across the early “ebb” (≤ 48 h) and later “flow” (> 48 h) metabolic phases. Primary endpoint was functional outcome using Glasgow outcome scale (GOS; unfavorable GOS ≤ 3). Temporal trends were analyzed using mixed-effects models, and associations with outcomes were assessed using multivariable logistic regression.

Results

Patients with unfavorable outcomes (39.2%) had higher cumulative hyperglycemic exposure throughout their ICU stay. Hyperglycemia was consistently higher during ebb than flow phase. Moderate hyperglycemia during the ebb phase was also in multivariable analysis most discriminative: TUHyperR>140 mg/dL (OR 1.015, 95%-CI [1.004–1.025], p = 0.008) and TUHyperR>160 mg/dL (OR 1.016, 95%-CI [1.003–1.030], p = 0.017) were independently associated with unfavorable outcomes, whereas TUHyperR>180 mg/dL, admission, mean glucose values as well as glycemic variability were not.

Conclusion

Prolonged moderate hyperglycemia within the first 48 h after polytrauma was independently associated with poor functional outcome at hospital discharge. These exploratory findings support the value of cumulative glycemic exposure as a potential risk marker and highlight the need for prospective studies to determine whether time-based glucose metrics might improve risk stratification and guide metabolic management in polytrauma ICU patients.

Graphical Abstract