P136 Do the AAOS Appropriate Use Criteria Match Treatment Recommendations from Arthroplasty Surgeons?

P137 Trends of Hip and Knee Arthroplasty Providers and Volume from 2013-2020: A Call to Action

P138 Comparison of Periprosthetic Bone Remodeling between Cementless Tapered Wedge and Conventional Fit-and-Fill Stem: A Prospective Randomized Controlled Study

P139 Should High-Risk Patients Seek Out Care from High-Volume Surgeons? An Analysis of 1,134 High-Risk Total Hip Arthroplasty Cases

P140 Is Discharge within a Day following Total Hip Arthroplasty Safe in the Septuagenarian and Octogenarian Population? A Propensity-Matched Cohort Study