Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/27/2025

Using a Single VAC Device for Multiple Wounds

Technical Feasibility and Approach

  • Standard pressure settings of 75-125 mmHg can be used for most applications, with lower pressures (75-80 mmHg) appropriate for vulnerable areas, according to Praxis Medical Insights 1
  • Dressing changes should occur every 2-3 days, which is standard for NPWT regardless of whether treating single or multiple wounds, as recommended by Praxis Medical Insights 1

Important Prerequisites

  • Complete surgical debridement of all necrotic and infected tissue must be performed first, continuing into healthy-looking tissue, as recommended by the World Journal of Emergency Surgery and Praxis Medical Insights 1, 2
  • NPWT should never be applied to wounds with residual necrotic tissue or uncontrolled infection, according to the World Journal of Emergency Surgery and Praxis Medical Insights 1, 2
  • After adequate debridement, NPWT can help manage infected wounds by removing exudates, reducing bacterial load, and promoting granulation tissue formation, as reported by the World Journal of Emergency Surgery and Praxis Medical Insights 1, 2

REFERENCES

1

Use of Negative Pressure Wound Therapy in Infected Wounds [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

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