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Debridement is the medical removal of dead, damaged, or infected tissue to improve the healing potential of the remaining healthy tissue. [ 2 ] [ 3 ] Removal may be surgical , mechanical, chemical, autolytic (self-digestion), or by maggot therapy .
Timing is important to wound healing. Critically, the timing of wound re-epithelialization can decide the outcome of the healing. [11] If the epithelization of tissue over a denuded area is slow, a scar will form over many weeks, or months; [12] [13] If the epithelization of a wounded area is fast, the healing will result in regeneration.
Maggot therapy (also known as larval therapy) is a type of biotherapy involving the introduction of live, disinfected maggots (fly larvae) into non-healing skin and soft-tissue wounds of a human or other animal for the purpose of cleaning out the necrotic (dead) tissue within a wound (debridement), and disinfection. There is evidence that ...
After a wound is irrigated, debrided, and, if possible, closed, it should be dressed appropriately. The goals of a wound dressing are to act as a barrier to the outside environment, facilitate wound healing, promote hemostasis, and act as a form of mechanical debridement during dressing changes. [39]
Biofilm occurs rapidly in wounds and stalls healing by keeping the wound inflamed. Frequent debridement and antimicrobial dressings are needed to control the biofilm. Infection prevents the healing of pressure ulcers. Signs of pressure ulcer infection include slow or delayed healing and pale granulation tissue.
When proper blood flow is established, debridement is performed. If the wound is plantar (on walking surface of foot), patient is advised to give rest to foot to avoid enlargement of the ulcer. Proper glycemic control in diabetics is important. Smoking should be avoided to aid wound healing. [6]
A week after the injury, the edges of the wound are pulled together by contraction. Contraction is an important part of the healing process when damage has been extensive, and involves shrinking in size of underlying contractile connective tissue, which brings the wound margins toward one another. [1]
However, more studies are needed to examine whether SSd actually accelerates the healing process after surgery. [23] Fournier gangrene and subsequent VSD. After the wound debridement, adequate dressings should be applied to promote wound healing. [2] Wounds are generally packed with wet-to-dry dressings and left open to heal. [3]