Bone Cementing in Total Knee Arthroplasty for Large Medial Tibial Bone Defects in Osteoarthritis. Report of Three Cases.:Report of Three Cases

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Reconstructive surgery using bone cement in total knee arthroplasties (TKA) for severe bone defects of the medial tibial condyle in osteoarthritis was reviewed in three patients. The mean duration of follow-up was 6 years and 10 months.At the time of surgery, several techniques were added to the typical TKA. The postoperative femorotibial angle (FTA) was corrected to 170°, and tibial component was shifted laterally rotational position.The preoperative Japanese Orthopaedic Association score of Knee Arthrosis averaged 37 points. The postoperative score averaged 86 points.The bony support of the tibial component in anteroposterior roentgenogram was about 77% postoperatively.The radiolucent area averaged 1mm at 6 years and 10 months after surgery, and loosening did not occur in any cases.In cases with more than 75% tibial bony support, good results were achieved using our surgical methods.
西日本整形・災害外科学会の論文