The intra-operative joint gap in cruciate-retaining compared with posterior-stabilised total knee replacement

被引:102
作者
Matsumoto, T. [1 ]
Kuroda, R. [1 ]
Kubo, S. [1 ]
Muratsu, H.
Mizuno, K. [1 ]
Kurosaka, M. [1 ]
机构
[1] Kobe Univ, Grad Sch Med, Dept Orthopaed Surg, Chuo Ku, Kobe, Hyogo 6500017, Japan
来源
JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME | 2009年 / 91B卷 / 04期
关键词
SOFT-TISSUE IMBALANCE; ARTHROPLASTY; NAVIGATION; ALIGNMENT; PROSTHESIS; BALANCE;
D O I
10.1302/0301-620X.91B4.21862
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
100224 [整形外科学];
摘要
We have developed a new tensor for total knee replacements which is designed to assist with soft-tissue balancing through out the full range of movement with a reduced patellofemoral joint. Using this tensor in 40 patients with osteoarthritis we compared the intra-operative joint gap in cruciate-retaining and posterior-stabilised total knee replacements at 0 degrees, 10 degrees, 45 degrees, 90 degrees and 135 degrees of flexion, with the patella both everted and reduced. While the measurement of the joint gap with a reduced patella in posterior-stabilised knees increased from extension to flexion, it remained constant for cruciate-retaining joints throughout a full range of movement. The joint gaps at deep knee flexion were significantly smaller for both types of prosthetic knee when the patellofemoral joint was reduced (p<0.05).
引用
收藏
页码:475 / 480
页数:6
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