Defining the Errors in the Registration Process During Imageless Computer Navigation in Total Knee Arthroplasty: A Cadaveric Study

被引：21

作者：

Davis, Edward T. ^{[1
]}

Pagkalos, Joseph ^{[1
]}

Gallie, Price A. M. ^{[2
]}

Macgroarty, Kelly ^{[3
]}

Waddell, James P. ^{[4
]}

Schemitsch, Emil H. ^{[4
]}

机构：

[1] Royal Orthopaed Hosp NHS Fdn Trust, Birmingham B31 2AP, W Midlands, England

[2] Gold Coast Hosp, Southport, Qld, Australia

[3] Brisbane Private Hosp, Brisbane, Qld, Australia

[4] Univ Toronto, St Michaels Hosp, Toronto, ON, Canada

来源：

JOURNAL OF ARTHROPLASTY | 2014年 / 29卷 / 04期

关键词：

registration error; total knee replacement; computer navigation; alignment; imageless navigation; FEMORAL ROTATIONAL ALIGNMENT; MECHANICAL AXIS ALIGNMENT; TIBIAL COMPONENT; REPLACEMENT; VARIABILITY; SURVIVAL;

D O I：

10.1016/j.arth.2013.06.034

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：

Computer assisted arthroplasty was introduced as a means to optimally align implants in order to improve function and longevity. The error during the manual registration of landmarks and its effect on component alignment was investigated in this study. Five fresh frozen lower limbs were used and the registration process was performed five times by five surgeons. The error range of the mechanical axis of the femur in the coronal plane was 5.2 degrees of valgus to 2.9 degrees of varus whilst the transepicondylar axis error was 11.1 degrees of external to 6.3 of internal rotation. Those figures suggest that the registration error alone can have a significant effect on the alignment of the implant. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：698 / 701

页数：4

共 23 条

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