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Cirugía Plástica Ibero-Latinoamericana
versão On-line ISSN 1989-2055versão impressa ISSN 0376-7892
Resumo
FERNANDEZ GARCIA, A.; FERNANDEZ PASCUAL, C.; SANTOYO GIL-LOPEZ, F. e AZNAR VICENTE, J.. Digital colorimetric evaluation of pathologic scars: A comparative study between silicon gel and photoprotector. Cir. plást. iberolatinoam. [online]. 2010, vol.36, n.2, pp.167-174. ISSN 1989-2055.
The authors present a reproducible and simple method to evaluate scars from a cosmetic point of view. The use of digital photographs processed by means of computer programs enables us to carry out colorimetric measurements on the scar and adjacent healthy skin. Results can be expressed with mathematical formulae that make it possible to quantify the chromatic differences between both surfaces. The results obtained in 20 patients with pathological scars divided into 2 therapeutic series for 9 months were compared with this system. Ten patients received treatment with silicone gel and another 10 received photoprotector treatment. Colorimetry revealed in the independent study that statistically significant differences found between healthy and scar skin before treatment were maintained in the group treated with the photoprotector gel while they did not appear after administration of the silicone gel. The relativised colorimetric study (Scar-score) showed a significant recession in both groups but this was greater in the group treated with silicone gel. Both the bivariant and multivariant analysis revealed a significantly higher therapeutic benefit in the group treated with silicone gel compared to the photoprotector treatment.
Palavras-chave : Scaring; Colorimetry; Silicone gel; Photoprotector.