Multi-segment foot kinematics after total ankle replacement and ankle arthrodesis during relatively long-distance gait.
Multi-segment foot kinematics after total ankle replacement and ankle arthrodesis during relatively long-distance gait.
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DOI：
10.1016/j.gaitpost.2012.05.010
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发表时间：
2012-07
期刊：
影响因子：
2.4
通讯作者：
Hossein Rouhani;Julien Favre;K. Aminian;X. Crevoisier
中科院分区：
文献类型：
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作者：
Hossein Rouhani;Julien Favre;K. Aminian;X. Crevoisier
本研究旨在探讨踝关节骨性关节炎（AOA）治疗，即踝关节融合术（AA）和全踝关节置换术（TAR）对相对长距离步态中多节段足踝关节复合物运动学的影响。四组（AOA、AA、TAR和对照组）45名受试者在胫骨、跟骨和内侧跖骨上安装了由惯性传感器组成的可穿戴系统。受试者步行50米两次，同时系统测量其多节段足的运动学参数：胫骨、跟骨和内侧跖骨之间的关节在三个解剖平面上的运动范围，以及这些节段在矢状面上的角速度峰值。然后将这些参数在四组之间进行比较。观察到，TAR后运动范围和角速度峰值普遍改善，与对照组相似。然而，与AOA和TAR不同的是，AA对胫骨-跟骨关节和胫骨-跖骨关节的冠状面活动范围造成损害。总的来说，运动学参数与已建立的临床量表（FFI和AOFAS）具有显著相关性，表明其收敛有效性。根据50米步态中多节段足部的运动学参数，本研究显示TAR后足部活动性有显著改善，但AA后仍存在一些明显的损伤。
This study aimed to investigate the influence of ankle osteoarthritis (AOA) treatments, i.e., ankle arthrodesis (AA) and total ankle replacement (TAR), on the kinematics of multi-segment foot and ankle complex during relatively long-distance gait. Forty-five subjects in four groups (AOA, AA, TAR, and control) were equipped with a wearable system consisting of inertial sensors installed on the tibia, calcaneus, and medial metatarsals. The subjects walked 50-m twice while the system measured the kinematic parameters of their multi-segment foot: the range of motion of joints between tibia, calcaneus, and medial metatarsals in three anatomical planes, and the peaks of angular velocity of these segments in the sagittal plane. These parameters were then compared among the four groups. It was observed that the range of motion and peak of angular velocities generally improved after TAR and were similar to the control subjects. However, unlike AOA and TAR, AA imposed impairments in the range of motion in the coronal plane for both the tibia–calcaneus and tibia–metatarsals joints. In general, the kinematic parameters showed significant correlation with established clinical scales (FFI and AOFAS), which shows their convergent validity. Based on the kinematic parameters of multi-segment foot during 50-m gait, this study showed significant improvements in foot mobility after TAR, but several significant impairments remained after AA.