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Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_9 | Pages 56 - 56
1 Oct 2020
Roof MA Sharan M Feng JE Merkow D Long WJ Schwarzkopf R
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Introduction

Previous studies have demonstrated that higher volume hospitals have better outcomes following revision total knee arthroplasty (rTKA), in current literature there are no reports investigating the effect of surgeon volume. The purpose of this study is to investigate if patients of high-volume revision surgeons have better outcomes following rTKA as compared to patients of low volume surgeons.

Methods

This retrospective observational analysis examined the rTKA database at a large urban academic medical center for aseptic, unilateral rTKA between January 2016 and March 2019 with at least 1-year of follow-up. Surgeon operative volume during the same time period was evaluated. Surgeons who performed at least 18 aseptic rTKA per year were considered high volume (HV), whereas surgeons who performed fewer than 18 aseptic rTKA per year were considered low volume (LV). Demographics, surgical factors, and post-operative outcomes were collected and compared between the two cohorts. A post-hoc power analysis was conducted for full revisions (1-ß=0.909, α=0.05).