No abstract

satisfaction scores and post-op complications compared to manual THA (mTHA). The purpose of this study was to compare robotic-assisted vs. manual total hip arthroplasty index and post-discharge utilization and costs in a 90-day episode-of-care (EOC). Methods: THA procedures were identified using the Medicare 100% Standard Analytic Files. Members included patients with RATHA or mTHA between 10/1/2015-10/1/2018. Propensity score matching (PSM) was performed in a 1-to-5 ratio, robotic to manual. After PSM, 938 rTHA and 4,670 mTHA were identified and included for analysis. Ninety-day episode-of-care cost, index cost, LOS, post-index rehab utilization and costs were assessed. Results: RATHA patients were less likely to have postindex IPR or SNF admissions (0.64% vs. 2.68%; p,0.0001 and 20.79% vs. 24.99%; p=0.0041, respectively). RATHA patients used fewer days in post-index inpatient and SNF care (7.15 vs. 7.91; p=0.8029 and 17.98 vs. 19.64; p=0.5080, respectively) and used fewer HHA visits, (14.06 vs. 15.00; p=0.

Infection cost burden was found to be higher than previously reported, with payer costs increasing over a 24-month postoperative period. Findings in this study were estimated using modeling techniques with inherent limitations, however, results suggest overall savings from use of antimicrobial sutures as a component of a comprehensive evidence-based surgical care bundle for reducing infection risk.