453 Survival and Outcomes of 1.5-Stage vs 2-Stage Exchange Total Knee Arthroplasty Following Prosthetic Joint Infection: A 5-Year Update

e131 Robotic-Assistance in Total Hip Arthroplasty Associated with Decreased Dislocation Rates

e251 Comparison of Platelet-Rich plasma to Corticosteroid Injections in Patients who have Mild to Moderate Knee Osteoarthritis: A Double-Blinded, Randomized, Control Trial ♢