497 The Fate of the Patient with Early Dislocation Following Contemporary Primary Total Hip Arthroplasty

498 Closed Incision Negative Pressure-Therapy Does Not Decrease Wound Complications following Revision Total Hip Arthroplasty: A Randomized Controlled Trial

499 Health Disparities in Revision Total Hip Arthroplasty: Assessing the Impact of Social Determinants of Health

500 Effect of Total Hip Arthroplasty Bearing Type on Risk of Revision in the Younger Population via the American Joint Replacement Registry

501 Association of new cardiovascular disorder with cobalturia from orthopedic implants. A prospective blinded study of 229 subjects with cobalt-chromium joint components.