Lateral Laxity in Flexion Increases the Postoperative Flexion Angle in Cruciate-Retaining Total Knee Arthroplasty

被引：27

作者：

Kobayashi, Tatsuya ^{[1
]}

Suzuki, Masahiko ^{[1
]}

Sasho, Takahisa ^{[1
]}

Nakagawa, Koichi ^{[1
]}

Tsuneizumi, Yoshikazu ^{[1
]}

Takahashi, Kazuhisa ^{[1
]}

机构：

[1] Chiba Univ, Grad Sch Med, Dept Orthopaed Surg, Chuo Ku, Chiba 2608670, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2012年 / 27卷 / 02期

关键词：

cruciate-retaining; total knee arthroplasty; flat-on-flat; postoperative flexion angle; lateral laxity; flexion stress test; POSTERIOR CONDYLAR OFFSET; SOFT-TISSUE BALANCE; CORONAL LAXITY; WEIGHT-BEARING; FOLLOW-UP; RANGE; MOTION; PROSTHESIS; MOVEMENT; REPLACEMENTS;

D O I：

10.1016/j.arth.2011.04.025

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

Thirty-eight patients diagnosed with osteoarthritis underwent 41 cruciate-retaining total knee arthroplasties. In varus and valgus tests at flexion, subjects were seated on a table at 80 degrees of knee flexion; 50 N was applied perpendicular to the lower leg. The factors affecting the postoperative flexion angle were investigated in a multiregression analysis. The mean joint angles of the flexion-valgus and flexion-varus tests were 3.4 degrees +/- 1.4 degrees and 6.2 degrees +/- 2.5 degrees, respectively. The flexion-varus angle was correlated with the postoperative flexion angle (P < .01). The mean postoperative flexion angles were 110.8 degrees +/- 9.6 degrees and 118.1 degrees +/- 8.0 degrees in the groups with the flexion-varus angle of 6 degrees or less and more than 6 degrees, respectively (P = .02). Slack lateral laxity in flexion had a significant effect during knee flexion in cruciate-retaining total knee arthroplasty.

引用

页码：260 / 265

页数：6

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