Hip-Knee Joint Coordination Patterns are Associated With Patellofemoral Joint Cartilage Composition in Patients With Anterior Cruciate Ligament Reconstruction.
Hip-Knee Joint Coordination Patterns are Associated With Patellofemoral Joint Cartilage Composition in Patients With Anterior Cruciate Ligament Reconstruction.
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DOI：
10.1123/jab.2021-0111
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发表时间：
2022-02-01
影响因子：
1.4
通讯作者：
Li X
中科院分区：
文献类型：
--
作者：
Samaan MA;Pedoia V;Tanaka MS;Souza RB;Benjamin Ma C;Li X
前交叉韧带重建后髌股关节软骨退变与行走时关节协调性的变化还不清楚。本研究的目的是评估关节协调变异性的肢体间差异，并确定协调变异性与术后髌股关节软骨成分的关系。35例患者在前交叉韧带重建术后6个月接受双侧步态分析和重建膝关节的磁共振检查。矢量编码用于评估早期（1%-33%）、中期（34%-66%）和晚期（67%-100%）站立阶段的协调变异性。T1ρ/T2标测用于评价髌骨和股骨转子软骨的糖胺聚糖-胶原基质。与未受伤的肢体相比，重建肢体在站立中期表现出更高的髋关节矢状面/膝关节矢状面协调变异性，以及在站立中期和晚期表现出更高的膝关节矢状面/踝关节矢状面协调变异性。站立中期的髋关节矢状面/膝关节矢状面协调变异预测了重建肢体内髌骨软骨T1ρ值的14.6%的变异。此外，参与者的性别能够分别预测股骨滑车T1ρ和T2值方差的32.4%和13.7%。研究结果表明，多关节机制可能与前交叉韧带重建后6个月的早期髌股关节软骨退变有关。
Joint coordination variability during walking that is associated with patellofemoral joint cartilage degeneration after anterior cruciate ligament reconstruction are not well understood. The purpose of this study was to assess between-limb differences in joint coordination variability and to determine the relationship of coordination variability with postoperative patellofemoral joint cartilage composition. Thirty-five patients underwent bilateral gait analysis and a magnetic resonance exam of the reconstructed knee joint at 6 months post anterior cruciate ligament reconstruction. Vector coding was used to assess coordination variability during the early (1%–33%), mid (34%–66%), and late (67%–100%) stance phase. The T1ρ/T2 mapping was used to evaluate the glycosaminoglycan–collagen matrix of the patellar and femoral trochlear cartilage. Compared with the uninjured limb, the reconstructed limb exhibited higher hip sagittal/knee sagittal plane coordination variability during midstance as well as higher knee sagittal/ankle sagittal plane coordination variability during both mid and late stance. The hip sagittal/knee sagittal plane coordination variability during midstance predicted 14.6% of the variance in patellar cartilage T1ρ values within the reconstructed limb. In addition, sex of participants was able to predict 32.4% and 13.7% of the variance in femoral trochlea T1ρ and T2 values, respectively. The study results demonstrate that a multijoint mechanism may be associated with early patellofemoral joint cartilage degeneration at 6 months after anterior cruciate ligament reconstruction.
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