Similar patient-reported outcomes and performance after total knee arthroplasty with or without patellar resurfacing : A randomized study of 74 patients with 6 years of follow-up
Background and purpose — Knee pain after total knee arthroplasty (TKA) is not uncommon. Patellar retention in TKA is one cause of postoperative knee pain, and may lead to secondary addition of a patellar component. Patellar resurfacing in TKA is controversial. Its use ranges from 2% to 90% worldwide. In this randomized study, we compared the outcome after patellar resurfacing and after no resurfac