Perioperative medicine & outcomes

Efficacy of preventive interventions for postoperative delirium in elderly patients undergoing spinal surgery: A network meta-analysis of randomized controlled trials

J Clin AnesthPublished Systematic review and network meta-analysis of randomised trials

Authors' conclusion

Dexmedetomidine monotherapy is the only intervention supported by moderate-certainty evidence (OR = 0.35)

Study context

Population
Elderly patients undergoing spinal surgery
Participants
3,454 patients · 32 randomized controlled trials (RCTs)
Comparison
19 preventive interventions vs control for postoperative delirium (POD)
Outcome
POD incidence
Methodological detailsfrequentist random-effects, SUCRA ranking, 25 studies low risk of bias or some concerns (RoB 2.0)
  • Frequentist random-effects
  • SUCRA ranking
  • 25 studies low risk of bias or some concerns (RoB 2.0)

Pooled result

As reported in the abstract

Temperature protection + dexmedetomidine

81.7%

SUCRA

Melatonin

70.3%

SUCRA

GDFT

63.6%

SUCRA

Each group vs controlOdds ratio (95% CI)
Temperature protection + dexmedetomidineranked most effective
0.11(0.02–0.59)
Melatonin
0.20(0.05–0.81)
GDFT
0.25(0.09–0.66)
Interventions significantly reducing POD vs control
10

Original publication

Efficacy of preventive interventions for postoperative delirium in elderly patients undergoing spinal surgery: A network meta-analysis of randomized controlled trials. J Clin Anesth. Published 29 April 2026. doi:10.1016/j.jclinane.2026.112223

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