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首页> 外文期刊>Clinical biomechanics >Gait analysis in ankle osteoarthritis and total ankle replacement.
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Gait analysis in ankle osteoarthritis and total ankle replacement.

机译：踝骨关节炎和全踝置换的步态分析。

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BACKGROUND: Little information is available about gait changes in ankle osteoarthritis and total ankle replacement, and also about total ankle replacement patients' rehabilitation in the first year after surgery. METHODS: Thirty subjects were included in this study: 15 unilateral post-traumatic ankle osteoarthritis patients and 15 age-/gender-matched control subjects. Patients were followed prospectively: preoperatively, at 3, 6, 9, and 12 months after total ankle replacement. The clinical-functional level was assessed by the American Orthopaedic Foot and Ankle Society ankle and the Short-Form-36 health survey score. 3D ankle-hindfoot kinematic-kinetic analysis was performed using a motion analysis and a two-plate force-platform system. Statistics included repeated measures analysis of variances, independent sample and paired Student's t-tests (significance alpha=0.05). FINDINGS: Compared to normal subjects, ankle osteoarthritis caused significant reduction of the American Orthopaedic Foot and Ankle Society and Short-Form-36 score. In gait analysis, ankle osteoarthritis showed a significant deficiency in six of seven spatiotemporal variables, a decrease of the tri-planar ankle movement, a decrease of the second active maximal vertical and the maximal medial ground reaction force, a reduction of the sagittal and transverse ankle joint moments, a reduction of the ankle joint power. Three months after total ankle replacement surgery patients experienced a worsening of gait. At 12 months follow-up, all spatiotemporal variables were not different from the normal subjects (full rehabilitation); in six of 11 kinematic and kinetic variables there was a partial rehabilitation. INTERPRETATION: This study provides data for the clinical-biomechanical understanding of the normal, arthritic, and total ankle replacement treated ankle during walking and the first year of rehabilitation.
机译：背景：关于踝骨关节炎的步态变化和全踝置换，以及术后第一年全踝置换患者康复的信息很少。方法：该研究共纳入30名受试者：15名单侧创伤后踝关节骨关节炎患者和15名年龄/性别匹配的对照受试者。对患者进行前瞻性随访：术前，全踝置换术后3、6、9和12个月。临床功能水平由美国整形外科足踝学会脚踝和Short-Form-36健康调查得分进行评估。使用运动分析和两板式力平台系统进行了3D踝后脚运动学分析。统计数据包括方差的重复测量分析，独立样本和成对的学生t检验（显着性alpha = 0.05）。结果：与正常受试者相比，踝骨关节炎导致美国骨科足踝学会和Short-Form-36评分显着降低。在步态分析中，踝骨关节炎表现出七个时空变量中的六个明显不足，三平面踝关节运动减少，第二活动最大垂直和最大内侧地面反作用力减小，矢状和横向减小踝关节的力矩，降低了踝关节的力量。全踝置换术后三个月，患者步态恶化。随访12个月时，所有时空变量均与正常人无差异（完全康复）;在11个运动和动力学变量中的6个中，有一部分得到了康复。解释：本研究为步行，康复第一年中正常，关节炎和全踝置换治疗踝关节的临床生物力学理解提供了数据。

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