在糖尿病患者中,在动态的鞋内和赤脚脚脚下压力之间的高压区域映射的量化差异
Dylan Heino1, Scott Telfer2, Avocet Nagle-Christensen3
1VA RRDT Center for Limb Loss and MoBility (CLiMB), VA Puget Sound Health Care System, 1660 S Columbian Way, MS 151, Seattle, WA 98108, United States; Department of Mechanical Engineering, University of Washington, 3900 E Stevens Way NE, Box 352600, Seattle, WA 98195, United States.
Journal of biomechanics
|March 3, 2026
概括
对糖尿病足预防的鞋内和赤脚压力数据进行比较,发现了关键差异. 裸脚数据可能会高估高压区域,这可能会影响定制内设计减少足部压力的有效性.
科学领域:
- 生物力学 生物力学
- 糖尿病足部并发症 糖尿病足部并发症
- 足部医学是一门专业.
背景情况:
- 糖尿病足是一种主要的并发症,通常是由步行时前脚的高压力引起的.
- 定制的适应性内用于降低这些压力,动态压力数据改进了其设计.
- 目前的内设计方法分别使用内和赤脚数据,缺乏对它们的一致性评估.
研究的目的:
- 为了比较鞋履和赤脚行走数据之间的压力分布和高压区域映射.
- 为了评估不同条件下的足部压力测量的一致性,用于内设计.
- 评估设计用于糖尿病患者有效卸载内的含义.
主要方法:
- 脚下压力在25英尺的步行过程中被记录下来,来自16名前脚压力很高的人.
- 收集了鞋内和赤脚压力数据,识别了高压区域,掩盖了它们,并对它们进行了解剖学标签.
- 压力图的平均值,叠加和峰值压力,接触区域和高压区域的中心位置进行了比较.
主要成果:
- 鞋内和赤脚高压区域在很大程度上重叠,但赤脚数据发现了额外的高压区域,特别是在脚上.
- 这些额外的赤脚区域显示较低的峰值压力和更大的接触区域,当在鞋子内测量时.
- 匹配的高压区域的中枢位置差异为0.23-0.60厘米,表明空间变化.
结论:
- 虽然关键的负载区域是一致的,但赤脚数据可能会高估高风险区域,这些区域在鞋内测量中并不明显.
- 仅基于赤脚数据设计内可能会降低特殊性,并限制实际鞋内高压区域的压力降低.
- 调查结果表明,需要完善临床工作流程,以设计基于压力的内,从而更有效地整合这两种数据类型.
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