[Vacuum assisted closure. Wound healing by negative pressure]

"Vacuum Assisted Closure" (VAC) is a noninvasive negative pressure healing process indicated in the treatment of chronic wounds associated with unfavourable local or systemic factors. It is indicated for the treatment of traumatic and/or surgical skin defects in order to accelerate the healing process. VAC is based on a simple technology of controlled depression of the lesion which healing process. It exerts a mechanical force on the tissues and attracts the wound edges centripetally. It induces an increased peripheral blood flow, improved local oxygenation and promotes angiogenesis and proliferation of good quality granulation tissue. Wound healing in a humid medium is complete or may require secondary surgical management (skin graft, flaps). The preferential indications for Vacuum Assisted Closure include pressure sores, leg ulcer, wounds with skin defects, burns, complications of surgical wounds and delayed healing.