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Correlation between Surface Area Ratio of Medial to lateral tibial plateau and Knee Alignment in Adults

Current Medical Science 2022年第3期42卷 577-583页

作者： Song GONG Li-zhi HAN Tian-lun GONG Yi-hu YI Ruo-yu WANG Wei-hua XU Department of Orthopaedics Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China

Objective This study aimed to investigate the correlation between the surface area ratio of medial tibial plateau(MTP)to lateral tibial plateau(LTP)and the mechanical tibiofemoral angle(mTFA).Methods Lower limb computed tomography(CT)images were collected at our hospital.Then,the original CT data were analyzed and reconstructed using medical image processing software.The proximal and distal centres of the femur and tibia were marked.The surface areas of MTP and LTP were identified using image processing software.GraphPad Prism 8.0.2 was used to perform the statistical analysis.Results The surface area ratio of MTP to LTP was significantly correlated with the mTFA in all patients(Ptibial plateau prosthesis should be used.For patients whose surface area of MTP is significantly greater than that of the LTP,it is recommended that the osteotomy should be performed in accordance with kinematic alignment standards,and that an anatomical tibial plateau prosthesis should be used.

关键词： knee alignment medial tibial plateau lateral tibial plateau surface area ratio prosthesis types total knee arthroplasty

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A model for potential non-contact ski injuries of the knee

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Sports Medicine and Health Science 2020年第3期2卷 126-131页

作者： Roman Trobec Gregor Kosec Matjaz Veselko Institut Jozef Stefan LjubljanaSlovenia Department of Traumatology University Medical Centre LjubljanaLjubljanaSlovenia

Broadly accepted is that most knee injuries result from increased vertical forces,usually induced by an incidental ski fall,collision,or a high jump.We present a new non-contact knee injury mechanism that can happen during a ski turn.Such an injury is governed by a sudden inward turn of the inner ski and consequent swing of the inner leg followed by a nearly instant stop when locked by hip and knee joints.The model provides predictive results for a lateral tibial plateau compression fracture because several simplifications have been made.We confirmed that the modelled compression stresses at typical skiing conditions and with typical skiing equipment can provoke serious knee injuries.The awareness of skiers and skiing equipment industry of the described knee injury mechanism can act as an important injury-prevention factor.

关键词： Non-contact injury Knee Biomechanical model Compression fracture lateral tibial plateau

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