Paediatric anaesthesia & critical care

Effects of Esketamine on Emergence Delirium in Children Undergoing Sevoflurane Anesthesia: A Systematic Review, Meta‐Analysis, and Trial Sequential Analysis

Paediatr AnaesthPublished Systematic review and meta-analysis of randomised trials

Pooled resultResult — go to the resultRelative risk 0.35 95% CI 0.26–0.48

Authors' conclusion

Esketamine demonstrates promising efficacy for preventing emergence delirium and improving postoperative pain in children.

Study context

Population
Children undergoing surgical procedures under sevoflurane-based GA
Participants
916 children · 8 RCTs
Comparison
Esketamine vs placebo
Outcome
Incidence of emergence delirium
Methodological detailsrandom-effects models, meta-regression, trial sequential analysis, GRADE, Certainty of evidence moderate, except extubation time (low), No study at high risk of bias; 4 studies raised some concerns
  • Random-effects models
  • Meta-regression
  • Trial sequential analysis
  • GRADE
  • Certainty of evidence moderate, except extubation time (low)
  • No study at high risk of bias; 4 studies raised some concerns

Pooled result

As reported in the abstract

Relative risk

0.35

95% CI 0.26–0.48

P < 0.0001

Esketamine vs Placebo
RR 0.35 (95% CI 0.26–0.48); P < 0.0001

Further pooled results

OutcomeSMD (95% CI)P value
Postoperative pain scores−0.58 (−0.79 to −0.37)P < 0.0001
OutcomeRR (95% CI)P value
PONV0.69 (0.49–0.97)P = 0.0304

Extubation time

Extubation time modestly prolonged, MD (min)
1.72 min; 95% CI 0.20-3.24; p = 0.0267
  • Low certainty of evidence

PACU stay

No statistically significant difference

Emergence delirium by dosing regimen, surgical type, route and timing (subgroup)

No significant differences between dosing regimens, surgical types, routes or timing of administration

Meta-regression of emergence delirium RR on anesthesia duration

Significant association with anesthesia duration (β)
0.98, p = 0.042
  • No other significant associations for the other covariates

Safety

OutcomeRR (95% CI)P value
PONV0.69 (0.49–0.97)P = 0.0304

Original publication

Effects of Esketamine on Emergence Delirium in Children Undergoing Sevoflurane Anesthesia: A Systematic Review, Meta‐Analysis, and Trial Sequential Analysis. Paediatr Anaesth. Published 6 August 2026. doi:10.1002/pan.70272

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