Abstract：Objective: To investigate the effect of knee valgus correction on the prognosis of total knee arthroplasty (TKA). Methods: A total of 102 patients with knee osteoarthritis (KOA) complicated with knee valgus deformity in our hospital from January 2018 to January 2021 were included. They were treated with TKA. Hip knee ankle angle (HKA) was measured one week after operation. According to HKA angle ≤3° and >3°, 78 cases and 24 cases were set as normal group and residual valgus group, respectively. The knee scoring system of American Hospital of special surgery (HSS), osteoarthritis score of Western Ontario and McMaster University (WOMAC) and knee range of motion (ROM) were compared between the two groups before and one year after operation. The femoral angle, tibial angle and patellar inclination angle were measured one year after operation. Results: The WOMAC score after operation was significantly lower than that before operation, and the HSS score and knee ROM increased significantly (P<0.05). There was no significant difference in WOMAC score, HSS score and knee ROM (P>0.05). The femoral angle, tibial angle, patellar inclination angle and HKA angle decreased significantly in the two groups (P<0.05), and the four indexes in the normal group were lower than those in the residual valgus group (P<0.05). Conclusion: The residual valgus after KOA combined with knee valgus after TKA has no significant impact on the recent knee function and pain. It can be considered that there is no need to completely correct the knee valgus. Although the recovery of lower limb force line after operation is less than that of normal knee valgus, whether it affects the long-term curative effect needs to be further evaluated.
吴迪, 李嘉, 罗金伟, 吕永明, 徐丛. 膝外翻矫正情况对全膝关节置换术预后的影响[J]. 河北医学, 2022, 28(6): 939-942.
WU Di, LI Jia, LUO Jinwei, et al. Effect of Knee Valgus Correction on Prognosis of Total Knee Arthroplasty. HeBei Med, 2022, 28(6): 939-942.
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2022, Vol. 28 
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