<unk>  <unk> , also known as a vacuum assisted closure (VAC), is a<unk> utic technique using a suction pump, tubing and a dressing to remove excess exudate and promote healing in acute or chronic<unk> s and second- and third-degree burns. The<unk>  involves the controlled application of subatmospheric<unk>  to the local<unk>  environment, using a sealed<unk>  dressing connected to a vacuum pump. The use of this technique in<unk>  management increased dramatically over the 1990s and 2000s and a large number of studies have been published examining<unk> .<unk>  has many indications for use including: * Dehisced surgical<unk> s * Closed surgical<unk> s *<unk>  injuries or<unk>  ulcers * Diabetic foot ulcers (DFUs) * Venous insufficiency ulcers * Skin flaps and grafts * Management of the open abdomen (laparotomy)
Negative-pressure wound therapy
Alginate dressing
Occlusive dressing
Non-contact normothermic wound therapy
Hydrogel dressing
Hydrocolloid dressing
Cohesive bandage
Adhesive bandage