Lower extremity thermographic profile of individuals undergoing ulcerative wound treatment: a qualitative exploration of images
DOI:
https://doi.org/10.1590/1809-2950/e19029723ptKeywords:
Thermography, Wounds and Injuries, Diabetes MellitusAbstract
Thermography proves to be a new concept
in measuring the thermogenesis of biological systems,
a valuable method for confirming clinical diagnosis
discarding subjective analysis and personal criteria.
The result of the thermographic evaluation is the subject
of qualitative and quantitative analyses. This study aimed
to identify the thermal profile of the lower extremities of
individuals diagnosed with cardiovascular and endocrine
and metabolic diseases in the treatment of ulcerative
wounds. A thermographic evaluation was performed from 19 dorsal, plantar, lateral, and medial extremities. In the
qualitative analysis, images with and without a wound were
divided according to diagnosis. After the division, a checklist was
elaborated for the qualitative evaluation of the images. A total
of 100 individuals (49 women and 51 men) participated, 65 with
cardiovascular disease and 35 with endocrine and metabolic
disease. There was a difference in the thermal pattern between
the extremities in both diagnoses. The groups presented similar
thermographic characteristics with signs of more radiation
in the wounds, predominantly with red and white stains.
More regions of interest with lesions on the medial foot, lateral,
and medial ankle border were observed in individuals with chronic
cardiovascular disease. Those with endocrine and metabolic
disease presented more regions with lesions in the plantar
(forefoot), dorsal, and medial ankle regions. The profile showed
a discrepancy in the thermal pattern in the regions of interest
of wounded and without wound extremities according to the
diagnoses. Signs of wounds emitting high levels of radiation
were similar in both groups, but the physiology of the disease
and treatment differed.
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