Changes in Joint Gap Balances between Intra- and Postoperation in Total Knee Arthroplasty.
Changes in Joint Gap Balances between Intra- and Postoperation in Total Knee Arthroplasty.
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DOI：
10.1155/2014/790806
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发表时间：
2014
影响因子：
1.3
通讯作者：
Nakagawa K
中科院分区：
文献类型：
--
作者：
Nakajima A;Aoki Y;Murakami M;Nakagawa K
实现正确的软组织平衡和准备相等的矩形伸展和屈曲关节间隙是TKA的关键目标。术中间隙平衡将在术后发生变化;然而，术前和术后关节间隙平衡的变化仍不清楚。为了探索与TKA相关的这些变化，我们前瞻性研究了21例后交叉韧带保留型TKA治疗膝内翻。术中伸直位间隙平衡（iEGB）为内翻2.6 ± 2.0°，术后伸直位间隙平衡（pEGB）为外翻0.77 ± 1.8°（P < 0.01），而术中屈曲位间隙平衡（iFGB）与术后屈曲位间隙平衡（pFGB）无显著性差异。我们还探讨了术中和术后间隙平衡之间的相关性，但未发现显著相关性。这些观察结果表明：（i）外科医生应避免在TKA治疗膝内翻期间过度松解内侧软组织;（ii）术中间隙平衡可能不一定反映在术后间隙平衡上。
Achieving correct soft tissue balance and preparing equal and rectangular extension and flexion joint gaps are crucial goals of TKA. Intraoperative gap balances would change postoperatively; however, changes in joint gap balances between pre- and postoperation remain unclear. To explore these changes associated with TKA, we prospectively investigated 21 posterior cruciate ligament retaining TKAs for varus knees. Intraoperative extension gap balance (iEGB) was 2.6 ± 2.0° varus versus postoperative extension gap balance (pEGB) of 0.77 ± 1.8° valgus (P < 0.01), while no significant difference between intraoperative flexion gap balance (iFGB) and postoperative flexion gap balance (pFGB) was observed. We also explored correlations between intraoperative and postoperative gap balances but found no significant correlations. These observations indicate that (i) surgeons should avoid excessive release of the medial soft tissue during TKA for varus knees and (ii) intraoperative gap balance may not be necessarily reflected on postoperative gap balance.