Perioperative medicine & outcomes

Dexmedetomidine and acute kidney injury after non-cardiac surgery: A meta-analysis with trial sequential analysis

Anaesth Crit Care Pain MedPublished Systematic review and meta-analysis of randomised trials

Pooled resultResult — go to the resultRelative risk 0.57 95% CI 0.40–0.83

Authors' conclusion

Dexmedetomidine administration reduced the incidence of AKI and improved renal function after non-cardiac surgery.

Study context

Population
Adults undergoing non-cardiac surgery
Participants
2,440 adults · 23 trials
Comparison
Perioperative dexmedetomidine vs normal saline
Outcome
Incidence of acute kidney injury (AKI) (KDIGO or AKIN criteria)
Methodological detailsrandom-effect model, trial sequential analysis, sensitivity analysis, GRADE level of evidence
  • Random-effect model
  • Trial sequential analysis
  • Sensitivity analysis
  • GRADE level of evidence

Pooled result

As reported in the abstract

Relative risk

0.57

95% CI 0.40–0.83

P = 0.003

By group

Dexmedetomidine vs Normal saline
RR 0.57 (95% CI 0.40–0.83); P = 0.003

Further pooled results

Renal function and inflammation parameters

Dexmedetomidine decreased serum creatinine, blood urea nitrogen, cystatin C, TNF-α and interleukin-6, and increased urine output and eGFR

PONV and hospital LOS

Dexmedetomidine reduced PONV and length of hospital stay

Safety

Dexmedetomidine associated with increased bradycardia, but not hypotension

Original publication

Dexmedetomidine and acute kidney injury after non-cardiac surgery: A meta-analysis with trial sequential analysis. Anaesth Crit Care Pain Med. Published 21 February 2024. doi:10.1016/j.accpm.2024.101359

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