内側型変形性膝関節症に対する鏡視下 Debridement の検討

概要

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Arthroscopic debridement was carried out in 45 medial osteoarthritic knees of 41 patients. There were 13 men and 28 women, and the mean age was 62.3 years old ranging from 46 to 78 years old. The average follow-up term was 26.0 months ranging form 7 to 69 months.The results were evaluated by Japanese Orthopaedic Assosiation score for osteoarthritic knee. Thirty-eight knees of 45 knees were improved (82.9%) and 39 patients of 41 patients were satisfied with the result of surgery. Two patients with medial compartnent ulcer (Grade III) were not improved. There was no statistical significance between improved group and non-improved group in terms of the following factors: age, obesity, follow-up term, duration, operative method, X-P Grade, standing FTA, meniscal status and type of pain.Good results can be predicted in the case of the Grade I or II, but a clear prediction of prognosis has not been established for the Grade III (ulcer) or more advanced Grade.