Comparing Single Dose and Multiple Dose of Dexamethasone Post TKA

Conditions: Osteo Arthritis Knee; Pain, Postoperative Interventions: Drug: Dexamethasone before surgery; Drug: Dexamethasone before and 12 hours after surgery; Drug: Dexamethasone before and 24 hours after surgery Sponsors: Thammasat University Hospital Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials