A new method to measure ligament balancing in total knee arthroplasty: laxity measurements in 100 knees.

Archives of Orthopaedic and Trauma Surgery
Eirik AunanStephan M Röhrl

Abstract

Ligament balancing is considered a prerequisite for good function and survival in total knee arthroplasty (TKA). However, there is no consensus on how to measure ligament balance intra-operatively and the degree of stability obtained after different balancing techniques is not clarified. This study presents a new method to measure ligament balancing in TKA and reports on the results of a try-out of this method and its inter-observer reliability. After the implantation of the prosthesis, spatulas of different thickness were used to measure medial and lateral condylar lift-off in flexion and extension in 70 ligament-balanced knees and in 30 knees were ligament balancing was considered unnecessary. Inter-observer reliability for the new method was estimated and the degree of medial-lateral symmetry in extension and in flexion, and the equality of the extension gaps and flexion gaps were calculated. The method was feasible in all operated knees, and found to be very reliable (intraclass correlation coefficient = 0.88). We found no statistically significant difference in condylar lift-off between the ligament-balanced and the non ligament-balanced group, however, there was a tendency to more outliers in flexion in the ligament-balan...Continue Reading

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Citations

Feb 2, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·C BaierJ Beckmann
Feb 1, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Shigetoshi OkamotoYukihide Iwamoto
Jul 6, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Nicola C HuntDavid J Deehan
Aug 15, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Jerry Yongqiang ChenSeng Jin Yeo
Jun 12, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Eirik AunanStephan M Röhrl
Mar 25, 2015·Der Orthopäde·K-H Widmer, A Zich
Nov 26, 2016·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Yu GuMaury L Hull
Sep 29, 2017·Journal of Orthopaedic Surgery·Michael J McAuliffeRoss Crawford
Dec 5, 2019·Frontiers in Bioengineering and Biotechnology·Seyyed Hamed Hosseini NasabWilliam R Taylor
Apr 10, 2019·Archives of Orthopaedic and Trauma Surgery·Florian VöllnerBenjamin Craiovan
Feb 9, 2017·Archives of Orthopaedic and Trauma Surgery·Eirik AunanStephan M Röhrl
Nov 5, 2020·Journal of Orthopaedic Surgery·Andrea CochettiPier Francesco Indelli
Jan 12, 2021·Computer Methods in Biomechanics and Biomedical Engineering·Bhrigu K LahkarWafa Skalli
Aug 7, 2018·Journal of Biomechanics·Ryan Willing, Peter S Walker
Aug 25, 2021·Archives of Orthopaedic and Trauma Surgery·Cécile BataillerSébastien Lustig
Jan 19, 2021·Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi·Yasushi OshimaTokifumi Majima
Nov 25, 2021·International Orthopaedics·Daniel Hernandez-VaqueroJose Manuel Fernandez-Carreira
Nov 26, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Arun MullajiMurtaza Haidermota

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