Analysis of tibial osteotomy in varus knee patients with lateral collateral ligament relaxation during TKA

doi:10.13418/j.issn.1001-165x.2021.04.018

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Chinese Journal of Clinical Anatomy ›› 2021, Vol. 39 ›› Issue (4) : 460-464. DOI: 10.13418/j.issn.1001-165x.2021.04.018

Analysis of tibial osteotomy in varus knee patients with lateral collateral ligament relaxation during TKA

Dai Zhangsheng, Lin Xiaocong, Fang Kaibin, Shi Shaojian

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Abstract

Objective　To investigate whether osteotomy of varus knee patients with lateral collateral ligament relaxation is affected.　Methods　Ninety-two patients with varus knee joint replacement went to our hospital from 2016 to 2018 were selected, among which 25 patients with lateral collateral ligament relaxation were as an observation group and the rest were as a control group. Both groups were treated with equal osteotomy. The osteotomy of the distal femoral condyle, the posterior femoral condyle and the lateral tibial plateau were measured during the operation. Anatomic tibiofemoral angle (ATFA), patellar tilt angle (PTA) and posterior condylar offset (PCO) were measured during the follow-up. The joint function was evaluated by the American Knee association score (AKS), the American Special Surgery Hospital (HSS) score and joint mobility.　Results　There was no significant difference in the osteotomy of the distal femoral condyle between the two groups (P>0.05). The osteotomy of the lateral tibial plateau in the observation group was lower than that in the control group (P<0.05). There was no statistical difference in ATFA, PTA, PCO, AKS, HSS and knee activity at 6 weeks, 6 months and 12 months after operation between the two groups (P>0.05).　Conclusions　The patients with varus knee combined with lateral collateral ligament relaxation had less osteotomy volume of the lateral tibial plateau .

Key words

Lateral collateral ligament relaxation / 　Varus knee / 　Knee replacement

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Dai Zhangsheng, Lin Xiaocong, Fang Kaibin, Shi Shaojian. Analysis of tibial osteotomy in varus knee patients with lateral collateral ligament relaxation during TKA[J]. Chinese Journal of Clinical Anatomy. 2021, 39(4): 460-464 https://doi.org/10.13418/j.issn.1001-165x.2021.04.018

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