Computer assisted orthopedic surgery; its influence on prosthesis size in total knee replacement

被引：12

作者：

van der Linden-van der Zwaag, H. M. J. ^{[1
]}

Wolterbeek, R. ^{[1
]}

Nelissen, R. G. H. H. ^{[1
]}

机构：

[1] Leiden Univ, Med Ctr, Dept Orthopaed Surg, NL-2300 RC Leiden, Netherlands

来源：

KNEE | 2008年 / 15卷 / 04期

关键词：

navigation; total knee arthroplasty; templating; components;

D O I：

10.1016/j.knee.2008.03.002

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：

Improvement of alignment and position of the components in TKAs using Computer Assisted Orthopaedic Surgery (CAOS) has been described. However, much less is known about the accuracy of CAOS in determining the size of the components. The purpose of this study was to evaluate the size of the femoral and tibial component using the CAOS system from Brainlab. The component sizes were compared to pre-operative templating and post-operative scoring the adequateness of size. Forty TKAs (NexGen) were evaluated: 20 using CAOS and 20 conventional. Statistical analysis of the templated and implanted size indicated a fair agreement for the femur (kappa 0.38) and the tibia (kappa 0.35). In the CAOS group significantly more oversizing occurred for the femoral component (p=0.020). No significant dif(crence was found for the tibial component. We conclude there is a risk of oversizing the femoral component of the NexGen system when using CAOS. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：281 / 285

页数：5

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