Exploratory study of the lateral body sway predictability as frame of reference for gait rehabilitation following a total knee arthroplasty

IF 1.6 4区医学 Q3 ORTHOPEDICS Knee Pub Date : 2024-08-01 DOI:10.1016/j.knee.2024.07.008

Werner A.F. van de Ven , Jurjen Bosga , Wim Hullegie , Wiebe C. Verra , Ruud G.J. Meulenbroek

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Abstract

Aims

The aim of the present study was to investigate whether the predictability of fronto-parallel trunk rotations (lateral body sway) could serve as a frame of reference to monitor recovery after total knee arthroplasty (TKA).

Methods

Before surgery, 11 TKA patients were asked to perform a treadmill walking task at three different speeds. In addition, their gait abilities were scored on three standard clinical walking tests. The treadmill walking task was repeated at three different timepoints following surgery, i.e., at 3, 6 and 12 months post-TKA. The movements of the trunk were digitized with an inertial sensor to capture the amplitude and the sample entropy (SEn) of the lateral body sway that were evaluated in separate ANOVAs.

Results

Before surgery the TKA group showed larger body sway (P = 0.025) with smaller SEn values (P = 0.038), which both restored to levels of healthy adults in the 12 months following surgery. Systematic correlations between the SEn values and the clinical test scores were found.

Conclusions

The current findings show that movement behavior of the trunk in the fronto-parallel plane was affected by knee osteoarthritis and suggest that the predictability of the lateral body sway may serve as an index of recovery after TKA.

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将体侧摇摆可预测性作为全膝关节置换术后步态康复参考框架的探索性研究。

目的：本研究旨在探讨前平行躯干旋转（侧身摇摆）的可预测性是否可作为监测全膝关节置换术（TKA）术后恢复情况的参照基准：方法：手术前，要求 11 名 TKA 患者以三种不同的速度在跑步机上行走。方法：手术前，要求 11 名 TKA 患者以三种不同的速度在跑步机上行走，并通过三种标准临床行走测试对他们的步态能力进行评分。术后在三个不同的时间点，即 TKA 术后 3 个月、6 个月和 12 个月，重复进行跑步机行走任务。用惯性传感器对躯干的运动进行数字化处理，以捕捉身体横向摇摆的振幅和样本熵（SEn），并分别进行方差分析：结果：手术前，TKA 组的身体摇摆幅度较大（P = 0.025），SEn 值较小（P = 0.038），手术后 12 个月，两者均恢复到健康成人的水平。SEn值与临床测试评分之间存在系统相关性：目前的研究结果表明，躯干在前平行面的运动行为受到膝关节骨关节炎的影响，并表明体侧摇摆的可预测性可作为 TKA 术后恢复的指标。

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

Knee 医学-外科

CiteScore

3.80

自引率

5.30%

发文量

171

审稿时长

6 months

期刊介绍： The Knee is an international journal publishing studies on the clinical treatment and fundamental biomechanical characteristics of this joint. The aim of the journal is to provide a vehicle relevant to surgeons, biomedical engineers, imaging specialists, materials scientists, rehabilitation personnel and all those with an interest in the knee. The topics covered include, but are not limited to: • Anatomy, physiology, morphology and biochemistry; • Biomechanical studies; • Advances in the development of prosthetic, orthotic and augmentation devices; • Imaging and diagnostic techniques; • Pathology; • Trauma; • Surgery; • Rehabilitation.