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<p>The aim of this study was to evaluate the usefulness of dynamic thermography combined with controlled foot cooling in detecting changes associated with diabetic foot abnormalities and to investigate the relationship between plantar thermal asymmetry, subjective pain, and body-load distribution. The study included 45 participants: 36 patients with diabetes and 9 healthy controls. Participants were divided into four groups: controls (<i>n</i> = 9), diabetic patients with foot pain (D-pain, <i>n</i> = 8), diabetic patients with neuro-metabolic disorders/neuropathy (D-neuropathy, <i>n</i> = 9), and diabetic patients with other minor comorbidities (D-other, <i>n</i> = 19). Thermograms were acquired before and after controlled cooling of the feet to 17&#xa0;°C using a custom-designed heat pump-based cooling platform. Temperature differences (ΔT) between ten corresponding anatomical points of the left and right foot were analysed. Anatomical point significantly affected ΔT (<i>P</i> &lt; 0.001), and a significant Group × Point interaction was observed (<i>P</i> &lt; 0.001), indicating that the distribution of thermal asymmetry depended on the foot region and clinical group. The D-pain group showed the most pronounced local asymmetry at L9_R9. Pain intensity differed significantly between groups (<i>P</i> = 0.002), whereas body-load asymmetry (ΔL) did not (<i>P</i> = 0.951). The method appears promising as an adjunctive, non-invasive screening approach, but further validation in larger and clinically more homogeneous cohorts is required.</p>

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Dynamic thermography used to support the diagnosis of diabetic foot with the assessment of balance and foot positioning

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月31日

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  • Agnieszka Lisowska-Lis,
  • Katarzyna Wódka,
  • Aneta Grochowska,
  • Agnieszka Jankowicz-Szymańska

摘要

The aim of this study was to evaluate the usefulness of dynamic thermography combined with controlled foot cooling in detecting changes associated with diabetic foot abnormalities and to investigate the relationship between plantar thermal asymmetry, subjective pain, and body-load distribution. The study included 45 participants: 36 patients with diabetes and 9 healthy controls. Participants were divided into four groups: controls (n = 9), diabetic patients with foot pain (D-pain, n = 8), diabetic patients with neuro-metabolic disorders/neuropathy (D-neuropathy, n = 9), and diabetic patients with other minor comorbidities (D-other, n = 19). Thermograms were acquired before and after controlled cooling of the feet to 17 °C using a custom-designed heat pump-based cooling platform. Temperature differences (ΔT) between ten corresponding anatomical points of the left and right foot were analysed. Anatomical point significantly affected ΔT (P < 0.001), and a significant Group × Point interaction was observed (P < 0.001), indicating that the distribution of thermal asymmetry depended on the foot region and clinical group. The D-pain group showed the most pronounced local asymmetry at L9_R9. Pain intensity differed significantly between groups (P = 0.002), whereas body-load asymmetry (ΔL) did not (P = 0.951). The method appears promising as an adjunctive, non-invasive screening approach, but further validation in larger and clinically more homogeneous cohorts is required.