Perioperative medicine & outcomes

Continuation vs Discontinuation of Renin-Angiotensin System Inhibitors Before Major Noncardiac Surgery: The Stop-or-Not Randomized Clinical Trial

JAMAPublished Randomised controlled trial

Primary resultResult — go to the resultRelative risk 1.02 95% CI 0.87–1.19

Authors' conclusion

Among patients who underwent major noncardiac surgery, a continuation strategy of RASIs before surgery was not associated with a higher rate of postoperative complications than a discontinuation strategy.

Study context

Population
Patients treated with a RASI for at least 3 months scheduled for major noncardiac surgery, 40 hospitals in France, 2018–2023
Participants
2,222 patients
Comparison
Continuation vs discontinuation of renin-angiotensin system inhibitors (RASIs) before major noncardiac surgery
  • RASI continuationn = 1,107
  • RASI discontinuationn = 1,115reference
Primary endpoint
Composite of:
  • All-cause mortality
  • Major postoperative complications
Follow-up
28 days after surgery
Methodological detailsmulticentre
  • Multicentre

Primary result

As reported in the abstract

Relative risk

1.02

95% CI 0.87–1.19

P = 0.85

Events by treatment group

RASI continuation vs RASI discontinuation
RR 1.02 (95% CI 0.87–1.19); P = 0.85

Secondary outcomes

Other trial outcomes (AKI, postoperative organ failure, hospital and ICU LOS)

No other differences in the trial outcomes

Safety

OutcomeRASI continuationRASI discontinuationRR (95% CI)
Episodes of hypotension during surgeryKey secondary outcome54%41%1.31 (1.19–1.44)

Original publication

Continuation vs Discontinuation of Renin-Angiotensin System Inhibitors Before Major Noncardiac Surgery: The Stop-or-Not Randomized Clinical Trial. JAMA. Published 24 September 2024. doi:10.1001/jama.2024.17123

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