• Özcan Öcük, Cemal Fırat, Azibe Yıldız, Nigar Vardı, Ahmet Ulu, Samir Abbas Ali Noma, Hakan Parlakpınar, and Onural Özhan.
• Department of Plastic, Reconstruction and Aesthetic Surgery, İnönü Univesity, Medical Faculty, Malatya, Turkey. Electronic address: ozcanocuk@gmail.com.
• Burns. 2022 Dec 1; 48 (8): 185018621850-1862.

BackgroundAmong the zones of coagulation, hyperemia and stasis that occur in the burned area, the most intense metabolic process and the highest sensitivity to recovery with treatment is the zone of stasis.This metabolic process is related to how well the tissues in the zone of stasis can cope with oxidative stress. If the tissues in the zone of stasis are saved, the burn area will potentially heal faster and with less scar. In this study, we examined the effects of taurine amino acids and apocynin molecules on saving the tissues in the burn zone of stasis.MethodsThe study was conducted with 48 rats. The burn zone of stasis was created according to the pattern previously described in the literature as comb burn model. In the 21-day study, biopsies were taken for histological examination on the 3rd, 7th and 21st days of the study. In addition, macroscopic photographic analysis was performed. Biopsies were taken for biochemical analysis on the 21st day. Histologically, inflammation, reepithelialization, and collagenization were evaluated, and the CD34 immunoreactivity was analysed. Biochemically, CAT, SOD, tGSH, TAS, TOS, MDA and PPC values were determined.ResultsIn the histological examination, on the 3rd, 7th and 21st days, inflammation was found to be reduced in the groups given taurine and apocynin on the 3rd day. On the 7th day, better reepithelialization and collagenization were observed in the group given taurine. Significant reepithelialization, collagenization and hair follicle development were observed in the groups given taurine and apocynin on the 21st day. In the biochemical analysis, the effects of apocynin on antioxidant enzymes were determined to be prominent. While we found no significant difference on the 3rd and 7th days in the photographic analysis, taurine and apocynin were observed to act synergistically on the 21st day and significantly reduced the burned areas.ConclusionOn the 3rd day, taurine and apocynin prevented inflammation, the effects of taurine in the zone of stasis in the early period (7th day) are more pronounced, the effect of apocynin on antioxidant enzymes is more pronounced. In the late period (21st day), taurine and apocynin were found to be more effective in saving the zone of stasis by creating a synergistic effect.Copyright © 2022 Elsevier Ltd and International Society of Burns Injuries. All rights reserved.

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