The effects of ultrasound-guided corticosteroid injection compared to oxygen-ozone (O-O) injection in patients with knee osteoarthritis: a randomized controlled trial.

Osteoarthritis (OA) is a chronic multifactorial disease characterized by progressive joint degeneration. The purpose of this study was to compare the effects of ultrasound-guided corticosteroid injection with oxygen-ozone injection in patients with knee OA. This double-blind randomized clinical trial was performed on 62 patients with knee OA.