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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한슬관절학회 Knee Surgery and Related Research Knee Surgery and Related Research 제23권 제4호
발행연도
2011.1
수록면
197 - 202 (6page)

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Purpose: When there is a varus deformity in proximal tibia, the extension of a tibial shaft axis tends to pass through the lateral intercondylar eminence. A prospective randomized study was conducted to fi nd out whether the lateral eminence of tibia could serve as a reference point for proximal tibial osteotomy during total knee arthroplasty and results from 6-years follow up period were reported. Materials and Methods: Forty-six patients (50 knees) who received total knee replacement arthroplasty from April to December 2004, were randomly divided into two groups. For a proximal tibial osteotomy, the proximal tibial reference point was located at the center of intercondylar eminence for group I and at the lateral eminence for group II and subsequently, the results were evaluated. Radiologic indices were the angles between the axis of the prosthesis and the mechanical/shaft axes of tibia and angle of the prosthesis in sagittal plane. Clinical indices were pain and function score of American knee society, functional score of Hospital for Special Surgery and range of knee joint motion. Results: Th e angles between the axis of the prostheses and the mechanical/shaft axes of tibia were varus 1.64o/2.12o in group I and valgus 0.57o/0.38o in group II (p=0.589/p=0.558). Th ere were 6 cases of outliers (27.2%) in group 1 and 3 cases (15.0%) in group 2. Th ere was a signifi cant diff erence in the pain score between group I (82.9) and II (91.4) (p=0.032), respectively. Conclusions: By moving the reference point of proximal tibial osteotomy laterally, lower incidence of outlier and residual varus deformity could be achieved.

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