Perioperative medicine & outcomes

Remote ischaemic preconditioning and survival in noncardiac surgery: a meta-analysis of randomised trials

Br J AnaesthPublished Systematic review and meta-analysis of randomised trials

Pooled result · Mortality (28 RCTs)Result — go to the resultRelative risk 0.74 95% CI 0.57–0.98

Authors' conclusion

Remote ischaemic preconditioning was associated with improved survival and reduced postoperative stroke and hospital stay in noncardiac surgery.

Study context

Population
Adults undergoing noncardiac surgery
Participants
7,457 adults · 72 randomised controlled trials (RCTs)
Comparison
Remote ischaemic preconditioning (RIPC) vs control
Outcome
Mortality
Follow-up
Longest available
Methodological detailsrandom-effects, Bayesian analysis
  • Random-effects
  • Bayesian analysis

Pooled result

Mortality (28 RCTs)

Relative risk

0.74

95% CI 0.57–0.98

P = 0.03

Events by group

RIPC vs Control
RR 0.74 (95% CI 0.57–0.98); P = 0.03

As reported in the abstract

NNT
67
Probability of any reduction in mortality
97.0%

Further pooled results

Postoperative stroke

Reduced incidence with RIPC
  • Moderate certainty

Hospital LOS

Shorter with RIPC
  • Low certainty

Original publication

Remote ischaemic preconditioning and survival in noncardiac surgery: a meta-analysis of randomised trials. Br J Anaesth. Published 3 April 2025. doi:10.1016/j.bja.2025.02.023

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