The accuracy of extramedullary guides for tibial component placement in total knee arthroplasty

被引：24
|
作者：
Chiu, K. Y. [1 ]
Yau, W. P. [1 ]
Ng, T. P. [1 ]
Tang, W. M. [1 ]
机构：
[1] Univ Hong Kong, Dept Orthoped & Traumatol, Div Joint Replacement Surg, Hong Kong, Hong Kong, Peoples R China
来源：
INTERNATIONAL ORTHOPAEDICS | 2008年 / 32卷 / 04期
关键词：
D O I：
10.1007/s00264-007-0354-5
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：
Anteroposterior radiographs that included the whole tibia were taken before and after 75 total knee arthroplasties in 48 patients. The same tibial extra-medullary alignment guide system was used in every knee. The average tibial component alignment was 0.4 (SD 2.5, range -4.9 to 6.4) degrees of valgus post-operatively. 59 tibial components (78.7%) had a tibial cut within 3 degrees from being perpendicular to the mechanical axis, ten were too valgus (13.3%) and six were too varus (8%). The chance of the tibial components becoming too varus was higher if there was lateral tibial bowing, compared with no tibial bowing (p = 0.048). A smaller lateral width of the leg increased the chance of the tibial components becoming too valgus (p = 0.047).
引用
收藏
页码：467 / 471
页数：5
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