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Objective <p>This study’s aim was: (1) introduce the digital drying oven as a reproducible, controllable, and accurate heating device for burn model creation. (2) Define the heating temperature appropriate for developing consistent second and third-degree burn injuries in rats.</p> Results <p>Burns appeared deeper with more distinct borders in groups (B) and (C) than in group (A). The stainless-steel rod at 100 ºC created burn injuries of the second degree, evidenced by the sloughing of the epidermis and necrosis in the epithelium and upper part of the dermis. Heating at 150 and 200 ºC created third-degree burn injuries, where necrosis involved the epidermis and dermis and extended to the subcutaneous fat and muscles. The depth of the burn wound in the group (B) (371.2 ± 41.3&#xa0;μm) and (C) (385.2 ± 38.0&#xa0;μm) was significantly deeper compared with the group (A) (178 ± 46.6&#xa0;μm) (<i>P</i> &lt; 0.001). The digital drying oven is a reliable, reproducible, and controllable heating device for creating burn models. The stainless-steel rod (63&#xa0;g and 8&#xa0;mm) heated at 100 and 150 ºC with a contact time of 30&#xa0;s is adequate for creating consistent second and third-degree burn injuries in rats, respectively.</p>

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New burn model for developing consistent second- and third-degree burn injuries in rats

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月16日

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  • Ahmed Ibrahim,
  • Khaled M. A. Hassanein,
  • Mahmoud Soliman,
  • Abdelnaby M. Elshahawy

摘要

Objective

This study’s aim was: (1) introduce the digital drying oven as a reproducible, controllable, and accurate heating device for burn model creation. (2) Define the heating temperature appropriate for developing consistent second and third-degree burn injuries in rats.

Results

Burns appeared deeper with more distinct borders in groups (B) and (C) than in group (A). The stainless-steel rod at 100 ºC created burn injuries of the second degree, evidenced by the sloughing of the epidermis and necrosis in the epithelium and upper part of the dermis. Heating at 150 and 200 ºC created third-degree burn injuries, where necrosis involved the epidermis and dermis and extended to the subcutaneous fat and muscles. The depth of the burn wound in the group (B) (371.2 ± 41.3 μm) and (C) (385.2 ± 38.0 μm) was significantly deeper compared with the group (A) (178 ± 46.6 μm) (P < 0.001). The digital drying oven is a reliable, reproducible, and controllable heating device for creating burn models. The stainless-steel rod (63 g and 8 mm) heated at 100 and 150 ºC with a contact time of 30 s is adequate for creating consistent second and third-degree burn injuries in rats, respectively.