利用惯性传感器对银屑病关节炎儿童步态的仪器分析

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详细

背景。仪器步态分析(Instrumental gait analysis, IGA)提供了一种客观且定量的方式来评估人体运动模式的特征。

研究目的。 研究患有银屑病关节炎(Psoriatic Arthritis, PsA)儿童的步态定量参数,利用惯性传感器识别早期诊断标志物,并评估其在医学康复中的应用潜力。

材料与方法。本研究纳入 34 名年龄在 11 至 17 岁之间的儿童。其中,研究组包括 17 名确诊为银屑病及银屑病关节炎的儿童(n=17);对照组包括 17 名无明显神经系统障碍及无影响步态生物力学的肌肉骨骼疾病的儿童(n=17)。 步态参数的记录采用 “Stedis” 训练系统,使用 8 个生物传感器,分别固定于双下肢的足部、小腿远端、大腿近端、骶骨以及第 12 胸椎水平处。在实验过程中,记录步态的时空参数和运动学参数。

结果。本研究对比分析了两组儿童的步态特征:对照组为无明显神经系统损伤或影响步态生物力学的肌肉骨骼疾病的儿童,研究组为确诊银屑病关节炎(PsA)的儿童。研究结果显示,与对照组相比,PsA 组儿童受累下肢的支撑期和单支撑期时间均有所延长。受累下肢的摆动期时间比健侧缩短约 1.5%。此外,受累下肢的足部抬升高度比健侧高出 5 cm。与对照组相比,健康儿童的健侧单支撑相时间高出近 4%。统计学差异具有显著性(p=0.009)。 PsA 组儿童受累下肢的摆动相时间比对照组儿童高 2.3%。统计学差异具有显著性(p=0.019)。 整体来看,对照组儿童的摆动相时间比 PsA 组儿童高近 4%。统计学差异具有显著性(p=0.019)。

结论。具有 PsA 特征的步态模式由特定的发病机制决定,其发展机制不同于其他类型的关节炎。

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作者简介

Ulyana M. Kan

N.I. Pirogov Russian National Research Medical University

Email: polt2795@gmail.com
ORCID iD: 0009-0002-7445-9626

postgraduate student

俄罗斯联邦, 1 Ostrovityanova str, Moscow, 117997

Olga A. Laisheva

N.I. Pirogov Russian National Research Medical University

编辑信件的主要联系方式.
Email: olgalaisheva@mail.ru
ORCID iD: 0000-0002-8084-1277
SPIN 代码: 8188-2819

MD, Dr. Sci. (Medicine), Professor

俄罗斯联邦, 1 Ostrovityanova str, Moscow, 117997

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补充文件

附件文件
动作
1. JATS XML
2. Fig. 1. Comparative analysis of the "Healthy lower limb" data in patients with diagnoses of psoriasis, psoriatic arthritis and a control group. M_K — arithmetic mean of children in the control group; m_K — standard deviation; M_PsA — arithmetic mean. Children with PsA; m_PsA — standard deviation.

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3. Fig. 2. Comparative analysis of the "Affected lower limb" data in patients with diagnoses of psoriasis, psoriatic arthritis and a control group. M_K — arithmetic mean of children in the control group; m_K — standard deviation; M_PsA — arithmetic mean. Children with PsA; m_PsA — standard deviation.

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4. Fig. 3. Kinematic changes in gait parameters in the hip joint.

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5. Fig. 4. Kinematic changes in gait parameters in the knee joint.

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6. Fig. 5. Kinematic changes in gait parameters in the ankle joint.

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