Effect of Low-Temperature Argon Plasma and Ultrasonic Cavitation on the Course of Burn Wound Healing

Background: Various physical phenomena come into use in medicine; however, to date, universal physical methods have not been developed to optimize the course of the wound healing at all treatment stages. In combustiology, the first stage of burn treatment is debridement; then it is important to create an optimal biological environment, normalize blood circulation, suppress pathogenic flora, and stimulate proliferative processes in the wound.

Objective: To determine the effectiveness of low-temperature argon plasma (LTAP) and ultrasonic cavitation in deep burn wound treatment based on clinical observations and cytological findings.

Materials and methods: We studied impression smears from burn wounds of 36 patients with deep burns of various etiologies who were treated using LTAP and ultrasonic cavitation in the Thermal Injuries Unit at the Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine (Saint Petersburg, Russian Federation) between 2022 and 2023.

Results: We found that cytogram findings in the study area changed from the inflammatory type to the regenerative-inflammatory one on day 3-7 when LTAP and ultrasonic cavitation were used, while such change in the control area was observed only after 10 days of treatment. Thanks to the use of LTAP and ultrasound after necrosectomy for deep dermal burns, the wound preparation for autologous skin grafting takes less time than it does with standard methods of local burn wound care. Ultrasonic cavitation should be used in cases of severe exudation and slough, whereas LTAP should be used when reparative processes in a burn wound slow down.

Conclusions: Burn wound treatment using ultrasonic cavitation and LTAP enables to prepare the wound surface for autologous skin grafting with a high engraftment rate. The procedure allows to effectively and atraumatically debride the wound and suppress pathogenic microflora. Further research is planned in patients with large deep burn wounds. 

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