基于视觉VR显示的全膝关节置换术患者爬楼梯训练系统

Y. Kurita, Takumi Okumura, R. Imai, Tomohiko Nishigami, So Tanaka, Takanori Taniguchi
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引用次数: 0

摘要

全膝关节置换术(TKA)是膝关节骨关节炎的主要治疗方法。然而,TKA极有可能导致长期的术后慢性疼痛。一脚一步的走路方式很可能会因为疼痛而引起对运动的恐惧,导致对实际活动的灾难性思考,从而限制了运动。本研究的目的是开发一个系统,通过视觉和运动感官的相互作用来诱导爬楼梯的感觉。通过控制足部的移动量和虚拟空间中的视角,即使患者在固定位置行走,系统也能呈现出爬楼梯的视觉图像。该系统使运动意象干预变得简单,甚至对术后早期有爬楼梯困难的患者也是如此。临床干预实验证实,通过对TKA患者上下楼梯运动意象的干预,可改善患者下楼梯时膝关节运动的平稳性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stair-Climbing Training System Using Visual VR Display for Total Knee Arthroplasty Patients
Total knee arthroplasty (TKA) is the primary treatment for knee osteoarthritis. However, TKA is highly likely to result in prolonged chronic postoperative pain. The one-foot-one-step walking style is likely to induce fear of movement because of pain, leading to catastrophic thinking about the actual activity and consequently limiting movement. The aim of this study is to develop a system to induce the sensation of stair climbing through the interaction of the visual and kinesthetic senses. By controlling the amount of movement of the foot and the point of view in virtual space, the system can present a visual image of stair climbing even when the patient steps in a fixed position. This system enables easy motor imagery intervention even for early postoperative patients who have difficulty with the actual stair climbing movement. The clinical intervention experiment confirmed that the smoothness of the knee joint motion during descent was improved by intervening with motor imagery during stair ascent and descent for TKA patients.
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