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Effect Size of Targeted Temperature Management in Pediatric Patients with Post-Cardiac Arrest Syndrome According to

Takeshi Namba1, Mitsuaki Nishikimi1, Ryo Emoto2

  • 1Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 739-0046, Japan.

Life (Basel, Switzerland)
|January 25, 2025
PubMed

Insights

Targeted temperature management (TTM) improves neurological outcomes in pediatric post-cardiac arrest syndrome (PCAS) patients with less severe conditions. TTM did not benefit the most critically ill children.

Area of Science:

  • Pediatric critical care medicine
  • Cardiovascular research
  • Neurology

Background:

  • Post-cardiac arrest syndrome (PCAS) in children presents significant challenges.
  • Differential effects of targeted temperature management (TTM) based on severity are not well understood.
  • A novel risk classification tool, rCAST, was developed to stratify PCAS severity.

Purpose of the Study:

  • To evaluate the differential effects of TTM in pediatric PCAS patients.
  • To assess TTM efficacy across varying severity levels defined by the rCAST score.
  • To identify subgroups of pediatric PCAS patients who benefit most from TTM.

Main Methods:

  • Analysis of a nationwide prospective registry of out-of-hospital cardiac arrest (OHCA) patients in Japan.
  • Pediatric PCAS patients (≤18 years) were stratified into quintiles using the rCAST score.
  • TTM's impact on neurological outcomes (CPC/PCPC ≤2 at 30 days) was assessed, with propensity score analysis for specific subgroups.

Main Results:

  • 307 pediatric PCAS patients were analyzed from 1526 OHCA cases.
  • No good neurological outcome was observed in the highest severity quintile (rCAST ≥18.5), irrespective of TTM.
  • TTM was significantly associated with good neurological outcomes in patients with rCAST scores ≤18.0 (OR 1.21, p=0.014).

Conclusions:

  • Targeted temperature management (TTM) demonstrates significant benefit for pediatric post-cardiac arrest syndrome (PCAS) patients with less severe conditions (rCAST ≤18.0).
  • TTM offers no discernible neurological outcome improvement for the most severely affected pediatric PCAS patients.
  • The rCAST tool aids in stratifying risk and guiding TTM decisions in pediatric PCAS.
Abstract

Keywords:
childrennational registryneurological prognosisout-of-hospital cardiac arrest (OHCA)revised post-cardiac arrest syndrome for therapeutic hypothermia score (rCAST)

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