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Abstract
Resveratrol is an antioxidant agent with multiple positive impacts on the body. It is known to have anti-diabetic, anti-inflammatory, anti-carcinogenic, and neuroprotective effects. The goal of this study is to demonstrate the antioxidant and anti-diabetic effects of resveratrol on flap survival in diabetic rats. Streptozotocin-induced diabetic Sprague-Dawley albino rats were treated with 10 mg/kg resveratrol following a flap surgery. Histological findings regarding polymorphonuclear leukocyte (PMNL) density, vascular proliferation, fibroblast density, and tissue necrosis were compared between resveratrol-treated and control rats. Significantly higher PMNL density was found in the control group (p = 0.005); while vascular proliferation and the fibroblast density were higher in the resveratrol group (p = 0.004 and p = 0.021, respectively). Collagen density was also higher in the resveratrol group and the difference has statistical significance (p = 0.024). Lymphocyte density was not significantly different between groups (p = 0.061). When the necrosis in the distal areas was evaluated histologically, 20% of the resveratrol group had epidermal tissue necrosis, thus 90% of the control group had epidermal or full-layer necrosis. Resveratrol improved flap survival significantly in diabetic rats. Therefore, diabetic patients requiring complex reconstructive procedures may benefit from resveratrol; so, clinical trials are required to support this study.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.