Effects of measurement methods for tibial rotation axis on the morphometry in Korean populations by gender

Kyoung Tak Kang, Juhyun Son, Oh Ryong Kwon, Changhyun Baek, Dong Beom Heo, Kyoung Mi Park, Ho Joong Kim, Yong Gon Koh

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Background There have been arguments for methodology in tibial rotation axis measurement, which accordingly determines the morphometry of the proximal tibia in total knee arthroplasty. The morphometry of the proximal tibia for the Korean population is determined by gender, based on the anatomical tibial axis and reliable rotational orientation in knee replacements, to evaluate the size suitability of the currently available prostheses in Korea. Methods This study reconstructed the MRI images in three-dimensions for identification and measurement of the mediolateral (ML) and anteroposterior (AP) lengths of the proximal tibia and the tibial aspect ratio (ML/AP) using proximal tibial anthropometric data for 700 osteoarthritic knees (587 females and 113 males). The ML and AP lengths were measured using tibial rotation axis techniques based on the medial one-third tibial tubercle and Cobb's method. Results Significant differences (P < 0.05) in ML, medial anteroposterior (MAP), lateral anteroposterior (LAP) lengths, and aspect ratio (ML/LAP) were observed for males and females with respect to different measurement techniques for the tibial rotation axis. However, the measured aspect ratio (ML/MAP) of tibiae for the Korean population did not show significance. The measured aspect ratio (ML/AP) ratio of tibiae for the Korean population was higher than that of currently available tibial components. Conclusions Results from this study can guide development of gender-specific tibial prosthesis designs with different ML and AP aspect ratios based on the tibial anatomical rotation axis for the Korean population.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalKnee
Volume24
Issue number1
DOIs
StatePublished - 1 Jan 2017

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Tibia
Population
Knee
Prosthesis Design
Knee Replacement Arthroplasties
Korea
Prostheses and Implants

Keywords

  • 3D magnetic resonance imaging
  • Ethnicity
  • Morphometry
  • Tibial component design
  • Total knee arthroplasty

Cite this

Kang, K. T., Son, J., Kwon, O. R., Baek, C., Heo, D. B., Park, K. M., ... Koh, Y. G. (2017). Effects of measurement methods for tibial rotation axis on the morphometry in Korean populations by gender. Knee, 24(1), 23-30. https://doi.org/10.1016/j.knee.2016.09.012
Kang, Kyoung Tak ; Son, Juhyun ; Kwon, Oh Ryong ; Baek, Changhyun ; Heo, Dong Beom ; Park, Kyoung Mi ; Kim, Ho Joong ; Koh, Yong Gon. / Effects of measurement methods for tibial rotation axis on the morphometry in Korean populations by gender. In: Knee. 2017 ; Vol. 24, No. 1. pp. 23-30.
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Effects of measurement methods for tibial rotation axis on the morphometry in Korean populations by gender. / Kang, Kyoung Tak; Son, Juhyun; Kwon, Oh Ryong; Baek, Changhyun; Heo, Dong Beom; Park, Kyoung Mi; Kim, Ho Joong; Koh, Yong Gon.

In: Knee, Vol. 24, No. 1, 01.01.2017, p. 23-30.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effects of measurement methods for tibial rotation axis on the morphometry in Korean populations by gender

AU - Kang, Kyoung Tak

AU - Son, Juhyun

AU - Kwon, Oh Ryong

AU - Baek, Changhyun

AU - Heo, Dong Beom

AU - Park, Kyoung Mi

AU - Kim, Ho Joong

AU - Koh, Yong Gon

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AB - Background There have been arguments for methodology in tibial rotation axis measurement, which accordingly determines the morphometry of the proximal tibia in total knee arthroplasty. The morphometry of the proximal tibia for the Korean population is determined by gender, based on the anatomical tibial axis and reliable rotational orientation in knee replacements, to evaluate the size suitability of the currently available prostheses in Korea. Methods This study reconstructed the MRI images in three-dimensions for identification and measurement of the mediolateral (ML) and anteroposterior (AP) lengths of the proximal tibia and the tibial aspect ratio (ML/AP) using proximal tibial anthropometric data for 700 osteoarthritic knees (587 females and 113 males). The ML and AP lengths were measured using tibial rotation axis techniques based on the medial one-third tibial tubercle and Cobb's method. Results Significant differences (P < 0.05) in ML, medial anteroposterior (MAP), lateral anteroposterior (LAP) lengths, and aspect ratio (ML/LAP) were observed for males and females with respect to different measurement techniques for the tibial rotation axis. However, the measured aspect ratio (ML/MAP) of tibiae for the Korean population did not show significance. The measured aspect ratio (ML/AP) ratio of tibiae for the Korean population was higher than that of currently available tibial components. Conclusions Results from this study can guide development of gender-specific tibial prosthesis designs with different ML and AP aspect ratios based on the tibial anatomical rotation axis for the Korean population.

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KW - Ethnicity

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