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| Methods | Randomized controlled trial |
| Participants | Patients scheduled for tympanomastoidectomy under general anaesthesia, ASA I and II, 20 to 60 years of age |
| Interventions | Dexamethasone (8 mg) 1 hour before surgery and placebo 1 hour before surgery |
| Outcomes | PONV |
| Notes | Study status (completed), first posted (2012), missing information (anaesthesia regimen) |
