Airway management

Effect of dexamethasone and lidocaine combination on incidence of post-operative sore throat: A meta-analysis and trial sequential analysis

J Clin AnesthPublished Systematic review and meta-analysis of randomised trials

Pooled result · POST incidenceResult — go to the resultRelative risk 0.53 95 % CI 0.37–0.75

Authors' conclusion

The dexamethasone-lidocaine combination suggests a clinically meaningful reduction in POST compared to dexamethasone alone, with consistent effects across studies.

Study context

Population
Patients undergoing endotracheal intubation3 RCTs
Comparison
IV dexamethasone-lidocaine combination vs dexamethasone alone
Outcome
Incidence of postoperative sore throat (POST)
Methodological detailsrandom-effects model (Mantel-Haenszel), trial sequential analysis, GRADE assessment
  • Random-effects model (Mantel-Haenszel)
  • Trial sequential analysis
  • GRADE assessment

Pooled result

POST incidence

Relative risk

0.53

95 % CI 0.37–0.75

P = 0.0003

Dexamethasone-lidocaine vs Dexamethasone alone
RR 0.53 (95 % CI 0.37–0.75); P = 0.0003

As reported in the abstract

Further pooled results

OutcomeRR (95 % CI)P value
Postoperative coughI2 = 24 %0.81 (0.41–1.61)P = 0.55
HoarsenessI2 = 24 % · no statistically significant difference0.60 (0.29–1.22)P = 0.16
  • Postoperative cough: no statistically significant difference; wide CI suggests a potentially meaningful difference

Original publication

Effect of dexamethasone and lidocaine combination on incidence of post-operative sore throat: A meta-analysis and trial sequential analysis. J Clin Anesth. Published 11 July 2025. doi:10.1016/j.jclinane.2025.111924

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