New Study Reveals Insights into Pediatric Sepsis Definition Update

Strategic Insights -

A recent study published in the Journal of Intensive Care Medicine has investigated the impact of the updated pediatric sepsis definition on patient safety and clinical benchmarking efforts. The research, conducted by a team from the University of Pittsburgh, analyzed a cohort of 401 children with suspected or confirmed infection and identified the factors that predict mortality.

Key Takeaways:

  • The study found that 33% of children previously identified as having severe sepsis did not meet the new definition of sepsis, which was updated in 2024 to include a novel definition that focuses on organ dysfunction.
  • Children who met the modified Phoenix Sepsis Criteria Score (mPSC) had more organ dysfunction, but the total mortality did not differ between the two groups.
  • In the complete cohort, hematologic, central nervous system, and renal failure were significant predictors of mortality, while in the mPSC subgroup, pulmonary and hematologic failure were significant predictors.
  • In the mPSC excluded subgroup, only renal failure predicted mortality.
  • The study concludes that further research is needed to understand the impact of the updated definition on pediatric sepsis research, patient safety, and clinical benchmarking efforts.

Statistics:

  • 132 (33%) of 401 children did not meet the mPSC definitions.
  • One in 4 children requiring extracorporeal membrane oxygenation and 1 in 4 mortalities did not meet the mPSC definition.
  • In the complete cohort, the odds ratio (OR) for mortality was 4.4 (95% CI: 1.8-10.2, P-value = .001) for hematologic failure, 2.3 (95% CI: 1.0-5.1, P-value = .046) for central nervous system failure, and 3.2 (95% CI: 1.2-7.9, P-value = .017) for renal failure.
  • In the mPSC subgroup, the OR for mortality was 3.6 (95% CI: 1.3-13.3, P-value = .030) for pulmonary failure and 5.6 (95% CI: 2.2-14.5, P-value = .0003) for hematologic failure.
  • In the mPSC excluded subgroup, the OR for mortality was 9.6 (95% CI: 1.1-73.0, P-value = .028) for renal failure.

Sources:

  • Application of New Pediatric Sepsis Definition To a Multicenter Observational Cohort of Previously Enrolled Severe Sepsis Patients Defined By Sirs Plus Organ Dysfunction. Journal of Intensive Care Medicine, 2025.
  • University of Pittsburgh, School of Medicine, Dept. of Critical Care Medicine, Fac Pavil Bldg, Second Floor, Suite 2112, 4401 Penn A, Pittsburgh, PA 15224, United States.
  • Sage Publications Inc, 2455 Teller Rd, Thousand Oaks, CA 91320, USA.