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KMID : 1144520220340010042
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Knee Surgery & Related Research
2022 Volume.34 No. 1 p.42 ~ p.42
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Effect of medial open wedge high tibial osteotomy on progression of patellofemoral osteoarthritis
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Na Bo-Ram
Yang Hong-Yeol
Seo Jae-Woong
Lee Chang-Hyun
Seon Jong-Keun
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Abstract
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Purpose: This study aimed to investigate the effect of medial open wedge high tibial osteotomy (MOWHTO) on patellofemoral joint osteoarthritis (PF OA) progression and its outcome according to the degree of preexisting PF OA.
Materials and methods: Patients who underwent biplane MOWHTO between January 2006 and December 2018 were retrospectively reviewed. The patients were divided into two groups according to the degree of PF OA: non-PF OA [Kellgren?Lawrence (K?L) grade 0?1] and PF OA (K?L grade 2?3). Propensity score matching was performed between the two groups, and comparative analysis was performed on clinical scores and radiographic parameters and grade.
Results: After propensity score matching, 83 patients were selected for each group. At postoperative follow-up, clinical scores were improved significantly compared with preoperative scores in both groups; however, there were no significant differences between the groups. There were also no significant differences between the two groups in radiographic parameters. The radiographic grade of PF OA indicated a slight progression in osteoarthritis in both groups; however, PF OA tended to progress further in the PF OA group.
Conclusions: MOWHTO did not result in significant differences in outcomes at postoperative follow-up; however, preexisting PF OA contributed to PF OA progression after MOWHTO.
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KEYWORD
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Knee, High tibial osteotomy, Patellofemoral joint, Cartilage lesion
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