Mobile Bearing Subluxation after Unicompartmental Knee Arthroplasty Treated by Arthroscopy : A Case Report

A polyethylene mobile bearing subluxation is a very rare complication after mobile type unicompartmental knee arthroplasty (UKA). Of 436 cases which had been followed up for 1 year after UKA, we experienced 9 cases of bearing dislocation and a case of bearing subluxation. We treated a case of mobile bearing subluxation by arthroscopy. We achived stable reduction of the bearing using arthroscopic surgery and the patient was satisfied with the outcome. So we report a case of mobile bearing subluxation after UKA treated by arthroscopy.