Influence of the Sagittal Reference Axis on the Femoral Component Size

被引：9

作者：

Asada, Shigeki ^{[1
]}

Mori, Shigeshi ^{[1
]}

Matsushita, Tetsunao ^{[1
]}

Hashimoto, Kazuki ^{[1
]}

Inoue, Shinji ^{[1
]}

Akagi, Masao ^{[1
]}

机构：

[1] Kinki Univ, Fac Med, Dept Orthopaed, Osaka, Osaka 5898511, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2013年 / 28卷 / 06期

关键词：

total knee arthroplasty; sagittal alignment; aspect ratio; component size; sagittal mechanical axis; computed tomography; TOTAL KNEE ARTHROPLASTY; FOLLOW-UP; REPLACEMENT; DESIGN; CONSEQUENCES; IMPINGEMENT; FRACTURES; ALIGNMENT; FLEXION; SURFACE;

D O I：

10.1016/j.arth.2012.12.004

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：

The sagittal reference axes used for setting of the femoral component vary according to surgical methods. The purpose of the study was to clarify the relation of the sagittal reference axis with the anteroposterior (AP) length of the distal femur at the time of determining the femoral component size. Fifty consecutive varus osteoarthritic knees with primary total knee arthroplasty were divided into two groups according to surgical methods (intramedullary and extramedullary groups) and were examined based on CT data. AP length of the distal femur changed nearly 0.6 mm corresponding to each 1 degrees flexion of the sagittal reference axis. The size of the femoral component in the intramedullary group was larger than that in the extramedullary group. The sagittal reference axis had an influence on the component size. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：943 / 949

页数：7

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