Unicompartmental knee arthroplasty (UKA) has gained renewed interest in recent years as an alternative to total knee arthroplasty (TKA) for limited degenerative disease of the knee. However, recurrence of symptoms may be seen, compromising long-term survivorship. Arthroscopy has been used to for diagnosing and treating symptoms in problematic TKA. The aim of this study was to investigate the outcome of arthroscopic procedures in symptomatic UKA. We hypothesized that arthroscopy is a viable tool in diagnosing and treating patients with recurrent symptoms after UKA and identifying patients that will benefit from revision surgery. A search of the institution's joint registry was conducted to identify patients who underwent arthroscopy following UKA between 2003 and 2011. Medical records were analyzed for patient demographics and comorbidities. Clinical results following arthroscopy were evaluated using the Oxford Knee Score. All patient radiograph were assessed for component alignment and loosening.Introduction:
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