Radiographic Evaluation of Cementless Total Knee Arthroplasty. More than 2-year follow up of 41 knees.:More than 2-year follow up of 41 knees

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Forty-one cementless total knee arthroplasties in 30 consecutive patients were evaluated radiographically. The average follow-up was 39 months (range 26 to 57 months).Radiolucent lines at the interface between bone and prosthesis were seen in 8 (19.5%) on the femoral side and in 14 (34.1%) on the tibial side. The incidence of radiolucent lines was not significantly different between knees with osteoarthritis and those with rheumatoid arthritis, nor among the three types of prosthesis. Data on component position or postoperative femorotibial angle showed no correlation with the incidence of radiolucent lines.Tibial component subsidence was seen in 6 (14.6%) knees and in these knees tibial component coverage rates were less than 95%.
西日本整形・災害外科学会の論文