The influence of posterior tibial slope changes on joint gap and range of motion in unicompartmental knee arthroplasty

The Knee
Koji TakayamaMasahiro Kurosaka

Abstract

The effect of posterior slope on joint gap in unicompartmental knee arthroplasty (UKA) has yet to be quantified. The purpose of this study was to quantify the effect of the tibial slope on the joint component gap and postoperative range of motion in UKA. Forty consecutive patients were prospectively enrolled. The correlation between the tibial slope changes and the component gap, the component gap difference between flexion angles, the postoperative extension or flexion angles was examined. The correlation of joint looseness with tibial slope changes and postoperative extension angle was also examined. Increased tibial slope positively correlated with the differences between the component gap at 90° and 10°, 120° and 10°, or 135° and 10° knee flexion angle. Although tibial slope change did not affect postoperative flexion angle, increased tibial slope reduced postoperative extension angle. Moreover, increased tibial slope resulted in decreased joint looseness during 10° of knee flexion and decreased joint looseness during 10° of knee flexion resulted in reduced postoperative extension angle. Increased tibial slope resulted in tight component gap at knee extension compared with that at knee flexion. Furthermore, tight component ...Continue Reading

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Citations

Nov 11, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Koji TakayamaTomoyuki Matsumoto
Aug 28, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yoshihito SudaTomoyuki Matsumoto
Aug 21, 2020·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Mitsuru HanadaYukihiro Matsuyama
Feb 12, 2019·Bio-medical Materials and Engineering·Kyoung-Tak KangKwan Kyu Park
Jul 28, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Hyuck Min KwonKwan Kyu Park
Apr 19, 2018·Biomedical Engineering Online·M MarieswaranDinesh Kalyanasundaram
Jan 30, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yong Zhi KhowSeng Jin Yeo
Jan 23, 2021·The Journal of Arthroplasty·Enejd VeiziKasım Kılıçarslan
Aug 31, 2021·Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology·Takaaki HiranakaToshifumi Ozaki

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