Perioperative medicine & outcomes

Dexamethasone and persistent wound pain: a prespecified analysis of the randomised Perioperative Administration of Dexamethasone and Infection (PADDI) trial

Br J AnaesthPublished Secondary analysis of the PADDI randomised trial

Primary resultResult — go to the resultRelative risk 1.2 95% CI 1.06–1.41

Authors' conclusion

Administration of dexamethasone 8 mg i.v. was associated with an increase in the risk of pain in the surgical wound 6 months after surgery.

Study context

Population
Patients undergoing non-urgent noncardiac surgerymodified ITT population
Participants
8,478 patients
Comparison
Dexamethasone 8 mg IV vs placebo after induction of anaesthesia
  • Dexamethasonen = 4,258
  • Placebon = 4,220reference
Primary endpoint
Incidence of pain in the surgical wound
Follow-up
6 months
Methodological detailsprespecified, embedded superiority substudy, placebo-controlled
  • Prespecified
  • Embedded superiority substudy
  • Placebo-controlled

Primary result

As reported in the abstract

Relative risk

1.2

95% CI 1.06–1.41

P = 0.003

Events by treatment group

Dexamethasone vs Placebo
RR 1.2 (95% CI 1.06–1.41); P = 0.003

Secondary outcomes

Median

OutcomeDexamethasonePlaceboP value
Maximum pain score at rest, first 3 POD · first 3 postoperative days5 (IQR 3.0–8.0)6 (IQR 3.0–8.0)P < 0.001
Maximum pain score on movement, first 3 POD · first 3 postoperative days7 (IQR 5.0–9.0)8 (IQR 6.0–9.0)P < 0.001

Postoperative pain severity as predictor of chronic postsurgical pain

Severity of postoperative pain not predictive of chronic postsurgical pain

Chronic postsurgical pain severity and neuropathic features

Did not differ between treatment groups

Original publication

Dexamethasone and persistent wound pain: a prespecified analysis of the randomised Perioperative Administration of Dexamethasone and Infection (PADDI) trial. Br J Anaesth. Published 23 May 2023. doi:10.1016/j.bja.2023.03.031

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