The relationship between constitutional alignment and varus osteoarthritis of the knee

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Pieter-Jan T K VandekerckhoveBrent A Lanting

Abstract

The role of neutral alignment in total knee arthroplasty (TKA) on short- and long-term outcomes has become controversial. Based on the concept of constitutional varus, it has been suggested that under-correction in TKA in a varus osteoarthritis (OA) population might lead to better clinical outcomes. However, it is still unknown what the relationship between constitutional varus and the development of end-stage OA is. The goal of this study was to analyse the contribution of constitutional varus in a medial OA population and to define a correlation between the constitutional alignment and end-stage varus OA. Based on full-length radiographs, corrected for the intra-articular deformity of the knee, of 315 patients with unilateral end-stage medial OA of the knee (Charnley type A), a correlation in the coronal plane was made between medial end-stage OA and the contralateral non-arthritic side. With increasing varus alignment in the arthritic limb, the physiologic limb alignment also became more varus. The proportion of constitutional varus rose with increasing overall alignment and was found to be continuous for males. Constitutional varus was three times higher in men when the overall arthritic alignment was greater more than 6° v...Continue Reading

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Citations

Aug 11, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Kyohei NishidaMasahiro Kurosaka
Nov 18, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Matthew G TeeterBrent A Lanting
Jul 18, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·A SchneiderE Servien
Aug 20, 2017·Clinical Orthopaedics and Related Research·Zhichang LiTimothy M Wright
Aug 25, 2018·International Orthopaedics·Roberto RossiFederica Rosso
Jun 28, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Gianluca CinottiGiuseppe Giannicola
Oct 30, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·In Jun KohThay Q Lee
Jul 3, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Mehdi MotififardArvin Shahzamani
Jul 23, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lucas BeckersPieter-Jan Vandekerckhove
Aug 12, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Jean-Yves JennyMichael T Hirschmann
Sep 27, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Silvan HessMichael T Hirschmann

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