e058 Epidemiological Trends in Candidates for Periacetabular Osteotomy in Japan: A Single-Center Retrospective Cohort Study

e114 Comparison of Pain, Functional Recovery, and Opioid Consumption between Direct Anterior and Posterior Approach in Total Hip Arthroplasty

e199 Age-Adjusted 5-factor Modified Frailty Index as a Valuable Tool for Patient Selection in Bilateral Simultaneous Total Knee Arthroplasty

e243 Surgeons may reduce the number of doses of systemic antibiotic prophylaxis to one preoperative when they use antibiotic-loaded bone cement in primary total knee arthroplasty A register-based meta-analysis (2010-2020)

e284 Patients on Medicaid Fill More Opioid Prescriptions and Have a Longer Period of Prescription Filling after Total Joint Arthroplasty