Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.
J Arthroplasty. 2012 Oct;27(9):1723-30. doi: 10.1016/j.arth.2012.02.020. Epub 2012 May 2.
With the use of an offset type tensor for total knee arthroplasties (TKAs), intraoperative soft tissue balance including the joint component gap and ligament balance was measured in 41 varus-type osteoarthritic patients (19 cruciate-retaining [CR] TKAs and 22 posterior-stabilized [PS] TKAs), and the correlations between the intraoperative values and the postoperative values assessed by stress radiographs at extension and flexion were examined at a minimum 5-year follow-up. In CR TKAs, the postoperative soft tissue balances at both angles were significantly correlated with the intraoperative values. In PS TKAs, the postoperative soft tissue balances at extension, not flexion, were significantly correlated with the intraoperative values. In conclusion, the intraoperative condition of the soft tissue balance reflected the postoperative values especially in CR TKAs even at 5-year midterm follow-ups.
在全膝关节置换术中使用偏心型张量，对 41 例内翻型骨关节炎患者（19 例保留交叉韧带的 TKA 和 22 例后稳定型 TKA）进行了包括关节组件间隙和韧带平衡在内的术中软组织平衡测量，并在至少 5 年的随访中，通过伸展和屈曲位的应力位 X 线片评估了术中值与术后值之间的相关性。在保留交叉韧带的 TKA 中，两个角度的术后软组织平衡与术中值显著相关。在后稳定型 TKA 中，伸展位而非屈曲位的术后软组织平衡与术中值显著相关。总之，即使在 5 年中期随访中，软组织平衡的术中情况也能反映术后值，尤其是在保留交叉韧带的 TKA 中。
