Abstract
Purpose To analyze changes in the thermal pattern in the skin graft receptor bed, after the use of therapeutic ultrasound through the thermographic images.Methods Eighteen Rattus norvegicus albinus Wistar, separated into two groups: GST groups (without tumor and without treatment with ultrasound) and GT (with tumor and treatment with ultrasound). In the GT group, induction of carcinogenesis was performed by single intradermal application of 0.05 ml DMBA at 0.5%, diluted in acetone. Subsequently, a technique of reconstructive grafting surgery of the mesh type was performed in both groups and treatment with therapeutic ultrasound was performed in the GT group the alternate day protocol at 3, 6, 10 and 15 days after the procedure. The thermographic evaluation occurred on days 3, 6, 10 and 15 after the grafting.Results There was a significant difference between the statistical evaluation of the temperature of the control group when compared to the treated group, on the different evaluation days (p <0.0001).Conclusion The thermographic analysis of the images was effective in evaluating the healing process, being the use of thermography feasible to evaluate changes in the thermal standard in the surgical bed, besides the beneficial effects of the US.
Highlights
Assuming the physical consideration that every living organism produces heat and thereby emits infrared radiation directly proportional to its temperature, thermography consists of the immediate and non-aggressive evaluation of the mapping of this radiation charge, expressing the gradual gradient variation in color pattern in a thermogram[1]
There was a significant difference on days 5, 10 and 15 (p
The temperature decreased at the beginning of the healing phase (p
Summary
Assuming the physical consideration that every living organism produces heat and thereby emits infrared radiation directly proportional to its temperature, thermography consists of the immediate and non-aggressive evaluation of the mapping of this radiation charge, expressing the gradual gradient variation in color pattern in a thermogram[1]. It is necessary to perform data analysis of the thermogram software, which allows the reading of images, inspection, obtaining results and the capture of changes from 0.05°C3. Some factors must be taken into account in order to obtain accurate thermographic analyses, such as environmental factors as temperature, relative air humidity and atmospheric pressure, technical elements as protocols, software and statistical analysis, and individual aspects of animals as weight, age and circadian rhythm[4]. Reconstructive surgery is a branch that has gained prominence within this context due to its importance in the practice of tissue reconstruction involving the use of cutaneous grafts. According to Sun et al.[6], several techniques for implantation can be performed; precautions with the use of accurate technique should be established, reducing complications and ensuring adequate post-surgery
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