In vivo kinematic measurement of transfibular total ankle arthroplasty and natural ankles using bi-plane fluoroscopy.

IF 1.9 3区医学 Q2 ORTHOPEDICS

Foot and Ankle Surgery Pub Date : 2025-05-17 DOI:10.1016/j.fas.2025.05.004

Yukio Mikami, Satoshi Yamaguchi, Seiji Kimura, Yoshimasa Ono, Hideo Umekita, Manato Horii, Shotaro Watanabe, Takahisa Sasho, Seiji Ohtori, Scott A Banks

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引用次数: 0

Abstract

Background: We aimed to evaluate the in vivo kinematics of transfibular fixed-bearing total ankle arthroplasty (TAA) and compared them with those of natural ankles.

Methods: Eleven TAA patients and 11 participants with natural ankles performed weightbearing and nonweightbearing dorsi-plantarflexion, deep squats, and kneeling. The activities were recorded using bi-plane fluoroscopy. The joint angles for each activity were estimated utilizing the model-image registration technique.

Results: TAA restored physiological kinematic patterns, with consistent inversion and internal rotation during plantarflexion. However, the range of motion in the TAA group was significantly reduced compared to those of the natural ankles group. In deep squat and kneeling postures, joint angles in the TAA group were only 30-40 % of those in natural ankles.

Conclusion: Despite restoring physiological motion patterns, TAA demonstrated substantial limitations in mobility, emphasizing the need for advancements in surgical techniques and implant design.

Level of evidence: IV.

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利用双平面透视技术测量经腓骨全踝关节置换术和自然踝关节的体内运动学。

背景：我们旨在评估经腓骨固定式全踝关节置换术（TAA）的体内运动学，并将其与自然踝关节置换术进行比较。方法：11名TAA患者和11名踝关节自然的参与者进行负重和非负重背跖屈、深蹲和跪。活动记录采用双平面透视。利用模型-图像配准技术估计每个活动的关节角度。结果：TAA恢复了生理运动模式，在跖屈曲期间具有一致的内翻和内旋。然而，与自然踝关节组相比，TAA组的活动范围明显减小。在深蹲和跪姿中，TAA组的关节角度仅为自然踝关节的30-40 %。结论：尽管恢复了生理运动模式，但TAA在活动方面表现出实质性的局限性，强调了手术技术和植入物设计的进步。证据等级：四级。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Foot and Ankle Surgery ORTHOPEDICS-

CiteScore

4.60

自引率

16.00%

发文量

202

期刊介绍： Foot and Ankle Surgery is essential reading for everyone interested in the foot and ankle and its disorders. The approach is broad and includes all aspects of the subject from basic science to clinical management. Problems of both children and adults are included, as is trauma and chronic disease. Foot and Ankle Surgery is the official journal of European Foot and Ankle Society. The aims of this journal are to promote the art and science of ankle and foot surgery, to publish peer-reviewed research articles, to provide regular reviews by acknowledged experts on common problems, and to provide a forum for discussion with letters to the Editors. Reviews of books are also published. Papers are invited for possible publication in Foot and Ankle Surgery on the understanding that the material has not been published elsewhere or accepted for publication in another journal and does not infringe prior copyright.