Abstract
Aim: Tramadol is a weak centrally acting opioid analgesic with µ-opioid receptor agonist effects. It has been explored for its analgesic efficacy through various in-vitro and in-vivo studies. The skin, as the body’s largest organ and the protector barrier, is vulnerable to injuries and wounds that can cause significant challenges due to pain, economic burdens and psychological implications. Successful healing of wound involves complex processes and it is influenced by factors such as angiogenesis and nitric oxide levels. This study investigates the effects of tramadol on wound healing in experimental ischemic wound models in rats. Material and Methods: Two 6 mm ischemic wound models were created on the backs of 30 male Wistar Albino rats, with wound areas cut along the long edges and a sterile silicone material placed between the panniculus carnosus fascia and paraspinosus muscle. Rats were randomized into Tramadol, Control, and Sham groups. The wounds were imaged using a "SONY ILCE-7" camera on days 0, 3, 6, 10, and 14. Wound areas and healing percentages were calculated from the images and recorded for statistical purposes. After 14 days, the animals were sacrificed under general anesthesia for histopathological examination of tissue samples. CD31 and VEGF antibodies were used to evaluate the density and morphology of vascular structures. Results: Tramadol administration accelerated the healing of wound surface area. Significant differences were found between groups in terms of inflammation, and data recorded in CD34, CD31, and VEGF-stained preparations. Conclusion: The study found that tramadol positively contributes to wound healing in the acute phase of ischemic wounds by affecting various processes.
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