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Exp Clin Endocrinol Diabetes 2021; 129(02): 93-98
DOI: 10.1055/a-0838-5209
Article

Thermographic Characteristics of the Diabetic Foot With Peripheral Arterial Disease Using the Angiosome Concept

Matthew Carabott
1   Podiatry Department, Faculty of Health Sciences, University of Malta, Msida, Malta
,
Cynthia Formosa
1   Podiatry Department, Faculty of Health Sciences, University of Malta, Msida, Malta
,
Anabelle Mizzi
1   Podiatry Department, Faculty of Health Sciences, University of Malta, Msida, Malta
,
Nikolaos Papanas
2   Diabetes Centre-Diabetic Foot Clinic, Second Department of Internal Medicine, Democritus University of Thrace, Alexandroupolis, Greece
,
Alfred Gatt
1   Podiatry Department, Faculty of Health Sciences, University of Malta, Msida, Malta
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Abstract

Aim To compare temperature changes following a challenge of limb elevation, in 3 forefoot angiosomes between type 2 diabetes mellitus patients with and without peripheral arterial disease (PAD).

Methods Participans were categorized in a no PAD, mild PAD or severe PAD group. All underwent thermal imaging, then successive thermal images were taken at 1 min intervals after the lower limbs were elevated for 5 min. Thereafter, the lower limbs were lowered to the original position and imaged after 1 min. Mean temperatures of the hallux, medial and lateral forefoot were analysed by the angiosome concept.

Results Forty-two limbs were analysed. Mean resting temperatures of all angiosomes of participants with PAD were higher than those with no peripheral arterial disease. A significant difference in the mean initial temperature between the groups was found in the medial and lateral forefoot angiosomes (p=0.048, p=0.049 respectively), whilst at the hallux these temperatures were not significant (p=0.165). After limb elevation, the only significant difference was seen in the lateral foot area at 1 min (p=0.021).

Conclusions These results confirm that patients with PAD exhibit significantly higher forefoot temperatures, according to the angiosome concept. The challenge by foot elevation did not affect the thermal pattern significantly.

Key words

diabetic foot - thermography - peripheral arterial disease


Publication History

Received: 15 November 2018
Received: 02 January 2019

Accepted: 17 January 2019

Article published online:
14 March 2019

© 2021. Thieme. All rights reserved.

Georg Thieme Verlag KG
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