Anesthetic drugs & techniques

Remimazolam vs. propofol for general anaesthesia in elderly patients: a meta-analysis with trial sequential analysis

Eur J AnaesthesiolPublished Systematic review and meta-analysis of randomised trials

Pooled result · Postinduction and intra-operative hypotensionResult — go to the resultRelative risk 0.41 95% CI 0.27–0.62

Authors' conclusion

Remimazolam significantly reduced the risk of hypotension, bradycardia and injection pain, despite an increase in the time to loss of consciousness.

Study context

Population
Patients at least 60 years old undergoing GA
Participants
947 patients · 11 randomised controlled trials (RCTs)
Comparison
Remimazolam vs propofol for GA
Outcome
Hypotension (postinduction and intra-operative)
Methodological detailstrial sequential analysis, sensitivity analysis, random effects model, subgroups and meta-regression
  • Trial sequential analysis
  • Sensitivity analysis
  • Random effects model
  • Subgroups and meta-regression

Pooled result

Postinduction and intra-operative hypotension

Relative risk

0.41

95% CI 0.27–0.62

P < 0.001

Remimazolam vs Propofol
RR 0.41 (95% CI 0.27–0.62); P < 0.001

As reported in the abstract

Further pooled results

OutcomeP value
Heart rateHigher with remimazolamP = 0.01
Time to loss of consciousnessLonger with remimazolamP < 0.001
BIS at loss of consciousnessHigher with remimazolamP = 0.04

MAP, emergence time, extubation time, emergence agitation

No differences found

Safety

OutcomeRR (95% CI)P value
Bradycardia0.58 (0.34–0.98)P = 0.04
OutcomeP value
Injection painLower with remimazolamP < 0.001

Original publication

Remimazolam vs. propofol for general anaesthesia in elderly patients: a meta-analysis with trial sequential analysis. Eur J Anaesthesiol. Published 12 August 2024. doi:10.1097/eja.0000000000002042

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