Gender differences in knee morphology and the prospects for implant design in total knee replacement

The Knee
Malte AsselnKlaus Radermacher

Abstract

Morphological differences between female and male knees have been reported in the literature, which led to the development of so-called gender-specific implants. However, detailed morphological descriptions covering the entire joint are rare and little is known regarding whether gender differences are real sexual dimorphisms or can be explained by overall differences in size. We comprehensively analysed knee morphology using 33 features of the femur and 21 features of the tibia to quantify knee shape. The landmark recognition and feature extraction based on three-dimensional surface data were fully automatically applied to 412 pathological (248 female and 164 male) knees undergoing total knee arthroplasty. Subsequently, an exploratory statistical analysis was performed and linear correlation analysis was used to investigate normalization factors and gender-specific differences. Statistically significant differences between genders were observed. These were pronounced for distance measurements and negligible for angular (relative) measurements. Female knees were significantly narrower at the same depth compared to male knees. The correlation analysis showed that linear correlations were higher for distance measurements defined i...Continue Reading

Citations

Dec 4, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Wouter PeetersPeter Verdonk
Sep 19, 2019·Scientific Reports·Maximilian C M FischerKlaus Radermacher
Nov 5, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yong-Gon KohKyoung-Tak Kang
Jan 30, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lucas BeckersMichel P Bonnin
Feb 23, 2021·Arthroplasty Today·Samuel W CarlsonRobert T Trousdale
Mar 7, 2021·Journal of Biomechanics·Malte AsselnKlaus Radermacher
Jul 3, 2021·Journal of Personalized Medicine·Sonja A G A Grothues, Klaus Radermacher
Jul 23, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Ilya BorukhovPeter McEwen
Aug 19, 2021·Archives of Orthopaedic and Trauma Surgery·Jaehyun KimJi Hyun Ahn

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