Rev. Esp. Pod. 2021; 32(2): 93-98 / DOI: 10.20986/revesppod.2021.1620/2021
Antonio Gómez-Bernal, Ismael Fernández-Cuevas, Javier Alfaro-Santafé, Aitor Pérez-Morcillo, Alejandro Jesús Almenar-Arasanz
ABSTRACT
Introduction: Infrared thermography is a safe, non-invasive and low-cost technique that allows for the fast recording of skin temperature. Plantar fasciopathy is the result of degenerative irritation of the plantar fascia and one of the most common musculoskeletal disorders. The aim of the study was to determine if plantar fasciopathy patients have a specific foot sole thermal profile that might be detect by infrared thermography.
Patients and methods: 32 feet of 16 subjects with unilateral plantar fasciitis were analyzed. The nonsymptomatic foot was taken as control. Foot sole temperatures were divided in 9 regions of interest and extracted by specific software to obtain thermal asymmetries between right and left foot sole regions. T-student test was used to determine significant statistical differences between feet and regions.
Results: Subjects with plantar fasciopathy showed significantly higher temperatures in the injured sole of the foot, mainly in the arch and heel regions (with asymmetries ranging from 0.28 °C to 0.55 °C [p < 0.05]).
Conclusions: Patients with plantar fasciopathy present a specific thermal profile with significant hyperthermia in the sole of the injured foot. Such asymmetry can be effectively detected by using infrared thermography to evaluate and diagnose this pathology.
RESUMEN
Introducción: La termografía infrarroja es una técnica segura, no invasiva y de bajo coste que permite registrar rápidamente la temperatura de la piel. La fasciopatía plantar es el resultado de la irritación degenerativa de la fascia plantar y uno de los trastornos musculoesqueléticos más comunes. El objetivo de este estudio es determinar si los pacientes con fasciopatía plantar tienen un perfil térmico específico de la planta del pie que podría detectarse mediante termografía infrarroja.
Pacientes y métodos: Se analizaron 32 pies en 16 sujetos con fasciopatía plantar unilateral,tomando el miembro sano como control. Las temperaturas de la planta del pie se dividieron en 9 regiones de interés y se extrajeron mediante un software específico para obtener asimetrías térmicas entre las regiones del pie derecho e izquierdo. El test de t de Student fue utilizado para determinar diferencias estadísticas significativas entre ambos pies y regiones.
Resultados: Los sujetos con fasciopatía plantar mostraron temperaturas significativamente superiores en la planta del pie lesionada, principalmente en las regiones del arco y el talón (con asimetrías de entre 0.28 °C a 0.55 °C [p < 0.05]).
Conclusiones: Los pacientes con fasciopatía plantar presentan un perfil térmico específico con una hipertermia significativa en la planta del pie lesionado. Dicha asimetría puede detectarse de manera efectiva mediante el uso de termografía infrarroja para evaluar y diagnosticar esta patología.
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