Association of the systemic host immune response with acute hyperglycemia in mechanically ventilated septic patients

Nauman Farooq, Byron Chuan, Hussain Mahmud, Samar R. El Khoudary, Seyed Mehdi Nouraie, John Evankovich, Libing Yang, Daniel Dunlap, William Bain, Georgios Kitsios, Yingze Zhang, Christopher P. O'Donnell, Bryan J. McVerry, Faraaz Ali Shah

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Hyperglycemia during sepsis is associated with increased organ dysfunction and higher mortality. The role of the host immune response in development of hyperglycemia during sepsis remains unclear. We performed a retrospective analysis of critically ill adult septic patients requiring mechanical ventilation (n = 153) to study the relationship between hyperglycemia and ten markers of the host injury and immune response measured on the first day of ICU admission (baseline). We determined associations between each biomarker and: (1) glucose, insulin, and c-peptide levels at the time of biomarker collection by Pearson correlation; (2) average glucose and glycemic variability in the first two days of ICU admission by linear regression; and (3) occurrence of hyperglycemia (blood glucose>180mg/dL) by logistic regression. Results were adjusted for age, pre-existing diabetes mellitus, severity of illness, and total insulin and glucocorticoid dose. Baseline plasma levels of ST2 and procalcitonin were positively correlated with average blood glucose and glycemic variability in the first two days of ICU admission in unadjusted and adjusted analyses. Additionally, higher baseline ST2, IL-1ra, procalcitonin, and pentraxin-3 levels were associated with increased risk of hyperglycemia. Our results suggest associations between the host immune response and hyperglycemia in critically ill septic patients particularly implicating the interleukin-1 axis (IL-1ra), the interleukin-33 axis (ST2), and the host response to bacterial infections (procalcitonin, pentraxin-3).

Original languageEnglish (US)
Article numbere0248853
JournalPloS one
Volume16
Issue number3 March
DOIs
StatePublished - Mar 2021
Externally publishedYes

ASJC Scopus subject areas

  • General

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