The review presents the follow key learning points: (1) introduction to the integument system and the wound-healing process (2) classification of burns according to severity and clinical appearance (3) available dressings currently used for second-degree burns (4) introduction to hydrogels and their preparation and characterization techniques and (5) pre-clinical hydrogel burn wound dressings currently being developed.īurn, Wound, Hydrogel, Dressing, Second-degree Background Anatomy of the skin and wound healing This review briefly describes the burn level classification and common, commercially available dressings used to treat second-degree burns, and then focuses on new polymeric hydrogel burn dressings under preclinical development analyzing their design, structure and performance. Polymeric hydrogels are a class of burn wound dressings that adhere to tissue, absorb wound exudate, protect from the environment, can be transparent facilitating serial wound evaluation and, in some cases, enable facile removal for dressing changes. As our understanding of wound healing advances, treatment options and technologies for second-degree burn management also evolve. Injury progression is of particular pertinence to second-degree burns, which are the most common form of thermal burn. Rapid assessment of burn depth and accurate wound management in the outpatient setting is critical to prevent injury progression into deeper layers of the dermis. Wound severity ranges from first-degree injury, which is superficial, to fourth-degree injury, which exposes bone, tendons and muscles. Burn wounds result from exposure to hot liquids, chemicals, fire, electric discharge or radiation.
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