Abstract：
OBJECTIVE: Idiopathic clubfoot (ICF) involves structural abnormalities in the lower extremities. Approximately half of patients have unilateral ICF, which could be due to differences in limb formation. The contralateral unaffected foot may have subclinical ICF. The objectives were to compare ankle and foot kinematics and pedobarography findings between the unaffected foot of patients with unilateral ICF and controls.
METHODS: Eleven children with unilateral ICF (11 unaffected feet, 11.7 ± 3.8 years) and 15 age-matched controls (30 control feet, 11.1 ± 3.0 years) were enroled. Five complete gait trials were performed. Data were collected using ten cameras and a two m long Footscan system and compared between groups using the Wilcoxon rank sum test.
RESULTS: All children with ICF underwent the selective soft tissue release procedure. The unaffected feet showed limited ranges in inversion-eversion and dorsiflexion-plantar flexion on kinematic analysis. There was a delay in landing time in all regions of the foot during heel rise and propulsion. The peak time was achieved significantly later in the unaffected feet compared to the controls. Although plantar pressure parameters were comparable, unaffected feet showed a larger contact area in the midfoot region.
CONCLUSIONS: Gait data on the unaffected foot in unilateral ICF patients do not correspond to those of controls despite an indistinguishable clinical appearance. This could be due to the effect of treatment, the process of foot development, or a combination. The relationship between genetics and gait deviation in patients with unilateral ICF needs further evaluation. The unaffected foot should receive similar attention during follow-up.
METHODS: Eleven children with unilateral ICF (11 unaffected feet, 11.7 ± 3.8 years) and 15 age-matched controls (30 control feet, 11.1 ± 3.0 years) were enroled. Five complete gait trials were performed. Data were collected using ten cameras and a two m long Footscan system and compared between groups using the Wilcoxon rank sum test.
RESULTS: All children with ICF underwent the selective soft tissue release procedure. The unaffected feet showed limited ranges in inversion-eversion and dorsiflexion-plantar flexion on kinematic analysis. There was a delay in landing time in all regions of the foot during heel rise and propulsion. The peak time was achieved significantly later in the unaffected feet compared to the controls. Although plantar pressure parameters were comparable, unaffected feet showed a larger contact area in the midfoot region.
CONCLUSIONS: Gait data on the unaffected foot in unilateral ICF patients do not correspond to those of controls despite an indistinguishable clinical appearance. This could be due to the effect of treatment, the process of foot development, or a combination. The relationship between genetics and gait deviation in patients with unilateral ICF needs further evaluation. The unaffected foot should receive similar attention during follow-up.
摘要：
目的：特发性马蹄内翻足（ICF）涉及下肢结构异常。大约一半的患者患有单侧ICF，这可能是由于肢体形成的差异。对侧未受影响的足部可能有亚临床ICF。目的是比较单侧ICF患者和对照组未受影响的足部之间的踝关节和足部运动学和足动脉造影结果。
方法：11名单侧ICF患儿（11只未受影响的脚，11.7±3.8岁）和15个年龄匹配的对照（30个对照脚，11.1±3.0年）。进行了五次完整的步态试验。使用10台摄像机和2m长的Footscan系统收集数据，并使用Wilcoxon秩和检验进行组间比较。
结果：所有ICF患儿均接受选择性软组织松解术。在运动学分析中，未受影响的脚在内翻-外翻和背屈-足底屈曲中显示出有限的范围。在脚跟上升和推进期间，脚的所有区域的着陆时间都有所延迟。与对照组相比，未受影响的脚达到峰值时间明显晚。虽然足底压力参数相当，未受影响的脚在中足区域显示出更大的接触面积。
结论：单侧ICF患者未受影响的足步态数据与对照组不一致，尽管临床表现难以区分。这可能是由于治疗的效果，脚的发育过程,或组合。单侧ICF患者的遗传学与步态偏离之间的关系需要进一步评估。在随访期间，未受影响的脚应受到类似的关注。
方法：11名单侧ICF患儿（11只未受影响的脚，11.7±3.8岁）和15个年龄匹配的对照（30个对照脚，11.1±3.0年）。进行了五次完整的步态试验。使用10台摄像机和2m长的Footscan系统收集数据，并使用Wilcoxon秩和检验进行组间比较。
结果：所有ICF患儿均接受选择性软组织松解术。在运动学分析中，未受影响的脚在内翻-外翻和背屈-足底屈曲中显示出有限的范围。在脚跟上升和推进期间，脚的所有区域的着陆时间都有所延迟。与对照组相比，未受影响的脚达到峰值时间明显晚。虽然足底压力参数相当，未受影响的脚在中足区域显示出更大的接触面积。
结论：单侧ICF患者未受影响的足步态数据与对照组不一致，尽管临床表现难以区分。这可能是由于治疗的效果，脚的发育过程,或组合。单侧ICF患者的遗传学与步态偏离之间的关系需要进一步评估。在随访期间，未受影响的脚应受到类似的关注。
