420 Novel Technique for the Identification of Hip Implants using Artificial Intelligence

421 Extensively-Porous Coated Stems Demonstrate Excellent Long-Term Survivorship in Revision Total Hip Arthroplasty

422 Fifteen-Year Results of Total Hip Arthroplasty with Alumina Ceramic Femoral Heads on Highly Cross-Linked Polyethylene in Patients 50 Years and Less

423 Have We Gotten Better Over Time Mitigating Complications in Obese Patients Undergoing Total Hip Arthroplasty?

424 Does Prednisone Dose Affect Rates of Periprosthetic Joint Infection following Primary Total Hip and Total Knee Arthroplasty?