Gap configuration and anteroposterior leg axis after sequential medial ligament release in rotating-platform total knee arthroplasty

Acta Orthopaedica
C LuringJ Grifka

Abstract

Soft tissue management is a major issue in total knee replacement. There have been very few papers dealing with its effect on leg axis and tibiofemoral gap. In a cadaver specimen study, we analyzed this effect by performing a sequential medial soft tissue release after a mobile-bearing total knee arthroplasty. Measurements were obtained using a CT-free navigation system (Ci navigation system). We found the highest increase in leg axis and medial gap when releasing the anteromedial tibial sleeve of the capsule 6 cm below the joint line, in extension, and after dividing the medial collateral ligament, in flexion, when releasing the medial half of the posterior cruciate ligament. There were differences in amount of change between extension and flexion, especially when releasing the medial half of the posterior cruciate ligament. In extension, the lateral gap remained the same as in flexion. Implementation of computer-assisted surgery has allowed this first navigation-controlled study investigating the effect of soft tissue release in TKR with rotating platform. Each sequential release step has the desired effect on a.p. leg axis and tibiofemoral gaps. It is important that the differences between the effects in extension and flexio...Continue Reading

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Citations

Jul 6, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Nicola C HuntDavid J Deehan
Oct 8, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Dai-Soon KwakIn Jun Koh
Aug 25, 2018·International Orthopaedics·Roberto RossiFederica Rosso
Sep 14, 2011·The Journal of Bone and Joint Surgery. British Volume·H MitsuyasuY Iwamoto
Apr 10, 2019·Archives of Orthopaedic and Trauma Surgery·Florian VöllnerBenjamin Craiovan

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