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| Methods | Randomized controlled trial |
| Participants | Participants over 18 years of age, undergoing total knee arthroplasty |
| Interventions | Ramosetron (NA) + dexamethasone (10 mg IV, 1 hour before surgery) or placebo |
| Outcomes | PONV, pain, wound complications, any AE, serious adverse events |
| Notes | Study protocol with study results; anaesthesia regimen and details on ramosetron administration (dose/time point) unclear |
