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Evaluation and management of unicompartmental osteoarthritis: role of arthroscopy in upper tibial osteotomy.

The evaluation of the patient with unicompartmental osteoarthritis of the knee and the appropriate management remain controversial. Although arthroscopy has not been shown to improve the accuracy of patient selection, it is useful in the management of associated intraarticular lesions and can be used for an intraarticular debridement procedure. Only long-term results of a prospective study will define if additional benefits over osteotomy alone are obtained by the addition of an intraarticular debridement.