Experimental model of the burn wound topical treatment

AIM Despite a wide variety of models found in literature, choosing the right one can be difficult as many of them are lacking precise methodology. This study aims to analyze and compare original burn models in terms of burn device and technique, parameters, and wound depth assessment. METHODS A systematic search was performed according to PRISMA guidelines on studies describing original experimental burn models in rats. The adapted PICO formula and ARRIVE checklist were followed for inclusion and assessment of quality of studies. Characteristics of animals, burn technique, burn parameters and method of histological confirmation of burn depth were recorded. RESULTS Twenty-seven studies were included in the final analysis. Most studies used direct contact with skin for burn infliction (n=20). The rat’s dorsum was the most common site (n=18). Ten studies used manually controlled burn devices, while ten designed automatic burn devices with control over temperature (n=10), exposure time (n=5), and pressure (n=5). Most studies (n=7) used a single biopsy taken from the center of the wound to confirm burn depth immediately after burn infliction. CONCLUSION From the wide variety of burn models in current literature, our study provides an overview of the most relevant experimental burn models in rats aiding researchers to understand what needs to be addressed when designing their burn protocol. Models cannot be compared as burn parameters variate significantly. Assessment of burn depth should be done in a standardized, sequential fashion in future burn studies to increase reproducibility.

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Experimental Models for Controlled Burn Injuries in Rats: A Systematic Analysis of Original Methods and Burn Devices

Morărașu

Morarasu

Gheţu

et al. 2021

Journal of Burn Care &Amp; Research

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Experimental model of the burn wound topical treatment

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Experimental Models for Controlled Burn Injuries in Rats: A Systematic Analysis of Original Methods and Burn Devices

Experimental Models for Controlled Burn Injuries in Rats: A Systematic Analysis of Original Methods and Burn Devices

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