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Knee Surgery, Sports Traumatology, Arthroscopy
Published in: Knee Surgery, Sports Traumatology, Arthroscopy 4/2016

01-04-2016 | Knee

Intraoperative anthropomorphic study of anterior femoral condyles compared with sizing of femoral arthroplasty

Authors: Ai-Bing Huang, Hai-Jun Wang, Bo Yang, Chang-Hui Song, Ji-Ying Zhang, Jia-Kuo Yu

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 4/2016

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Abstract

Purpose

The present study was designed to compare the dimensions of the anterior femoral condyle with those of the anterior component flange using intraoperative morphological data.

Methods

Overall, 1227 knees in 962 patients were included in this study. The height of the anterior lateral/medial condylar height (ALCH/AMCH) was measured and compared between men and women. These morphological data were compared with the dimensions of the chosen component for each patient. The lateral/medial anterior femoral offset was calculated, and the over-/understuffing rates were compared between men and women.

Results

The median ALCH in men was 8.5 mm (6.5, 10.0 mm) versus 7.0 mm (6.0, 9.0 mm) in women. The median AMCH in men was 4.0 mm (2.5, 6.0 mm) versus 3.5 mm (2.5, 6.0 mm) in women. There was a significant difference between the genders with respect to ALCH (p < 0.05). When the dimensions of the component were compared with those of the native knee, the anterior lateral flange height was smaller than the native knees (1.3 mm in male, 0.7 mm in female), but the anterior medial flange height was larger than the corresponding condyle (1.8 mm in male, 1.8 mm in female). A significant difference was observed between the genders with respect to the ideal fit rate of ALCH (p < 0.01).

Conclusion

The results demonstrate that gender differences exist in the anterior lateral condyles of knees. The anterior flange of component is not designed to precisely reproduce normal trochlear anatomy.

Level of evidence

II.
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Metadata
Title
Intraoperative anthropomorphic study of anterior femoral condyles compared with sizing of femoral arthroplasty
Authors
Ai-Bing Huang
Hai-Jun Wang
Bo Yang
Chang-Hui Song
Ji-Ying Zhang
Jia-Kuo Yu
Publication date
01-04-2016
Publisher
Springer Berlin Heidelberg
Published in
Knee Surgery, Sports Traumatology, Arthroscopy / Issue 4/2016
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI
https://doi.org/10.1007/s00167-015-3957-1

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