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  • Title: Efficacy of hydrosurgical excision combined with skin grafting in the treatment of deep partial-thickness and full-thickness burns: A two-year retrospective study.
    Author: Cao YL, Liu ZC, Chen XL.
    Journal: Burns; 2023 Aug; 49(5):1087-1095. PubMed ID: 35941025.
    Abstract:
    INTRODUCTION: Deep partial-thickness and full-thickness burn wounds often undergo tangential excision or escharectomy to expose healthy tissue, combined with skin grafting to promote wound healing. However, conventional tangential excision with the humby knife leads to inevitable damage to the dermis while excising burn tissue due to the lack of precision. Indeed, the preservation of dermal tissue is a key factor in determining wound healing and scar quality. The precision and tissue selectivity of the Versajet Hydrosurgical System has been established for excising burn tissue while preserving dermal tissue. In this study, we retrospectively compared the efficacy of "Hydrosurgical excision combined with skin grafting" and "Conventional tangential excision combined with skin grafting" in treating deep partial-thickness and full-thickness burn wounds to demonstrate that hydrosurgery improved the treatment of deep partial-thickness and full-thickness burns. METHODS: A total of 86 patients with deep partial-thickness and/or full-thickness burns with a total burn surface area (TBSA) ≤ 25% from July 2018 to July 2020 were included in this study and were divided into experimental (hydrosurgical excision combined with skin grafting, n = 43) and control (conventional tangential excision combined with skin grafting, n = 43) groups. Parameters were analyzed, including the intraoperative blood loss volume per unit area of grafted skin, surgery duration, wound healing time, skin graft survival, and the treatment costs per unit of burned area. Scar assessment was performed at 1 year with the modified Vancouver Scar Scale linked with TBSA (mVSS-TBSA). RESULT: No significant difference was found in male to female ratio, age, weight, TBSA, burn depth, skin grafting area (SKA), skin grafting methods, cases treated with carbon dioxide fractional laser or incidence of inhalation injury, and the incidence of hypovolemic shock between two groups(p > 0.05). Compared with the control group, patients treated with hydrosurgical excision combined with skin grafting experienced less intraoperative blood loss volume per unit area of grafted skin (p < 0.05). The mVSS-TBSA of patients that underwent hydrosurgical excision combined with skin grafting was significantly improved in comparison to the control group (p < 0.01). No significant difference was found in surgery duration, wound healing time, skin graft survival and treatment costs per unit of burned area between the two groups (p > 0.05). CONCLUSION: Hydrosurgical excision combined with skin grafting reduced intraoperative blood loss volume per unit area of grafted skin, improved scarring 1-year after injury, and did not increase the treatment costs per unit of burned area. This technique provides a novel alternative for managing deep partial-thickness and full-thickness burn wounds.
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