• D L Steward, J A Welge, and C M Myer.
• Otolaryngology - Head and Neck Surgery, University of Cincinnati College of Medicine, 231 Sabin Way, ML 0528 - Dept of OTO-HNS, Cincinnati, OH 45267-0528, USA.
• Cochrane Db Syst Rev. 2003 Jan 1(1):CD003997.

BackgroundTonsillectomy continues to be one of the most common surgical procedures performed worldwide. Despite advances in anesthetic and surgical techniques, post-tonsillectomy morbidity remains a significant clinical problem.ObjectivesTo assess the clinical efficacy of a single intra-operative dose of dexamethasone in reducing post-tonsillectomy morbidity.Search StrategyWe searched the Cochrane Controlled Trials Register (Issue 1, 2002), MEDLINE (from 1966 - February 2002), EMBASE (from 1974 - February 2002) and reference lists of relevant articles. We contacted leading experts for information on any relevant unpublished data.Selection CriteriaRandomized, double-blind, placebo-controlled trials of a single dose of intravenous, intra-operative corticosteroid for pediatric patients (age < 18 years) who underwent tonsillectomy or adenotonsillectomy were included.Data Collection And AnalysisData regarding the primary outcome measures and measurement tools were extracted by the first author from the published studies. Data regarding study design, patient ages, procedures performed, dose of corticosteroid and method of delivery, as well as methodologic quality were also recorded by the first author. When data were missing from the original publications, the authors were contacted for more information. Data analysis was performed with a random effects model, using the RevMan 4.1 software developed by the Cochrane Collaboration.Main ResultsChildren receiving a single intra-operative dose of dexamethasone (dose range = 0.15 to 1.0 mg/kg; maximum dose range = 8 to 25 mg) were two times less likely to vomit in the first 24 hours than children receiving placebo (RR = 0.54, CI95 = 0.42, 0.69; p < 0.00001). Routine use in four children would be expected to result in one less patient experiencing post-tonsillectomy emesis (RD = -0.25, CI95 = -0.37, -0.13; p = 0.00004). Additionally, children receiving dexamethasone were more likely to advance to a soft/solid diet on post-tonsillectomy day 1 (RR = 1.69, CI95 = 1.02, 2.79; p = 0.04) than those receiving placebo. Due to missing data and varied outcome measurement tools, pain could not be meaningfully analyzed as a distinct outcome measure.Reviewer's ConclusionsThe evidence suggests that a single intravenous dose of dexamethasone is an effective, relatively safe and inexpensive treatment for reducing morbidity from pediatric tonsillectomy. No adverse events attributable to dexamethasone were reported in these trials. Additionally, in our 10-year experience of routine use of a single intravenous dose of dexamethasone during pediatric tonsillectomy, there have been no attributable, adverse events. Lastly, we found no reports in the literature of complications from use of a single intravenous dose of corticosteroid during pediatric tonsillectomy.

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