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Updated: Jun 24, 2025

Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems
Published on: May 2, 2025
The efficient application of instilling negative pressure wound therapy with a hypochlorous acid-preserved wound
Marc R Matthews1, Luis G Fernández2, Michel He Hermans3
1Department of Surgery, Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Banner University of Arizona/University Medical Center, Tucson, AZ.
Background:
The use of negative pressure wound therapy with instillation and dwell time (NPWTi-d) has been shown to be effective in removing nonviable tissue, reducing bioburden, and promoting granulation tissue formation in acute and chronic infected wounds.
Objective:
To illustrate the clinical efficacy of the use of pure hypochlorous acid (pHA) antimicrobially preserved wound cleansing solution as the instillation fluid for NPWTi-d (NPWTi-d/pHA) in wound bed preparation in patients with complex wounds.
Case Report:
The treatment protocol for use of NPWTi-d/pHA in preparing wound beds for final closure is demonstrated in 3 illustrative cases of patients with complex wounds resulting from necrotizing infection and trauma with heavy contamination. All 3 patients developed a healthy-appearing wound bed deemed suitable for primary closure an average of approximately 1 month following initial surgical debridement.
Conclusion:
The cases presented demonstrate the ability of a pHA antimicrobially preserved wound cleansing solution used as the instillation fluid with NPWTi-d to aid in bacterial reduction, mechanical debridement, and promotion of wound healing. Use of NPWTi-d/pHA in these cases of extensive necrotizing infection and posttraumatic injury with heavy contamination allowed for final closure an average of 1 month after initial surgical debridement.
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