Intraoperative dexamethasone and chronic postsurgical pain: a propensity score-matched analysis of a large trial

Br J AnaesthPublished Secondary analysis of the ENIGMA-II randomised trial

Primary result · CPSP after propensity score matchingResult — go to the resultAdjusted relative risk 0.88 95% CI 0.61–1.27

Authors' conclusion

Dexamethasone does not increase the risk of chronic postsurgical pain after major noncardiac surgery.

Study context

Population
Patients undergoing major noncardiac surgery (ENIGMA-II trial chronic postsurgical pain (CPSP) dataset)analysed
Participants
2,999 patients
Comparison
Intraoperative dexamethasone vs no dexamethasone
  • Dexamethasonen = 973
  • No dexamethasonen = 2,026reference
Primary endpoint
Incidence of chronic postsurgical pain (CPSP)
Follow-up
12 months
Methodological detailspropensity score-matched, inverse probability weighting
  • Propensity score-matched
  • Inverse probability weighting

Primary result

CPSP after propensity score matching

Adjusted relative risk

0.88

95% CI 0.61–1.27

P = 0.493

Events by treatment group

Dexamethasone vs No dexamethasone
adjusted RR 0.88 (95% CI 0.61–1.27); P = 0.493

As reported in the abstract

Further findings

CPSP, unadjusted · 12 months

unadjusted OR 0.76 (0.78–1.00) · P = 0.052

OutcomeP value
'Least pain' and 'pain right now'Higher in the dexamethasone groupP = 0.033
'Least pain' and 'pain right now'Higher in the dexamethasone groupP = 0.034

Quality of life and pain interference with daily activities

No difference between groups

Original publication

Intraoperative dexamethasone and chronic postsurgical pain: a propensity score-matched analysis of a large trial. Br J Anaesth. Published 24 January 2024. doi:10.1016/j.bja.2023.12.031

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