Effect of Lower Limb Alignment in Medial Meniscus-Deficient Knees on Tibiofemoral Contact Pressure

Orthopaedic Journal of Sports Medicine
Lukas WillingerRainer Burgkart

Abstract

Degenerative medial meniscal tears and subsequent partial meniscal resection compromise meniscal function and lead to an overload of the medial compartment. In addition, lower limb alignment plays a key role in load distribution between the medial and lateral knee compartments, and varus alignment is a potential risk factor for medial osteoarthritis. The purpose of this biomechanical study was to investigate the effect of valgus and varus alignment on peak pressure and contact area in knees with concomitant horizontal medial meniscal tears and subsequent leaflet resection. It was hypothesized that varus alignment in combination with meniscal loss leads to the highest peak pressure within the medial compartment. Controlled laboratory study. Six fresh-frozen human cadaveric knees were axially loaded using a 1000-N compressive load in full extension with the mechanical axis rotated to intersect the tibial plateau at 40%, 45%, 50%, 55%, and 60% of its width (TPW) to simulate varus and valgus alignment. Tibiofemoral peak contact pressure and contact area of the medial and lateral compartments were determined using pressure-sensitive foils in each of 4 different meniscal conditions: intact, 15-mm horizontal tear of the posterior horn...Continue Reading

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Citations

Sep 7, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lukas WillingerAndrea Achtnich
Aug 5, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lukas WillingerConstantin von Deimling
Jul 28, 2020·Journal of Experimental Orthopaedics·Philipp W WinklerVolker Musahl
Feb 2, 2021·The American Journal of Sports Medicine·Fuji RenQian Zhao
May 25, 2021·Frontiers in Bioengineering and Biotechnology·Andreas M SeitzLutz Dürselen
Jun 15, 2021·The American Journal of Sports Medicine·Dong WangAndrew A Amis
Jul 28, 2021·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Yuji KohnoIchiro Sekiya
Dec 21, 2021·Frontiers in Bioengineering and Biotechnology·Matthias SukoppAndreas M Seitz

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