Pre-operative intravenous steroid improves pain and joint mobility after total knee arthroplasty in Chinese population: a double-blind randomized controlled trial.

Introduction: This study aims to investigate the effect of pre-operative intravenous methylprednisolone on post-operative pain control and joint mobility in Chinese patients undergoing single primary total knee arthroplasty.

Methods: This is a prospective, randomized, double-blinded, placebo-controlled single-centre trial. Sixty subjects were randomized into intervention and control group.