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Stage 1 Pressure Injury: Partial Thickness, intact skin with a localized area of non-blanchable erythema, which may appear differently in darkly pigmented skin. Presence of blanchable erythema or changes in sensation, temperature, or firmness may precede visual changes. Colour changes do not include purple or maroon discoloration; these may indicate deep tissue pressure injury. [6]

Stage 2 Pressure Injury: Partial-thickness loss of skin with exposed dermis. The wound bed is viable, pink, or red, moist and may also present as an intact or ruptured serum-filled blister. Adipose (fat), is not visible and deeper tissues are not visible. Granulation tissue, slough and eschar are not present. These injuries commonly result from adverse microclimate and shear in the skin over the pelvis and shear in the heel. [6] The most important aspect of the plan of care is protection of at-risk areas; regular turning and repositioning and the use of pressure reducing support surfaces is important to the success of a protection program.

A diabetic foot ulcer is associated with a loss of sensation and/or peripheral arterial and/or structural changes in the lower limb as a result of diabetes.  It may be associated with pressure from ill-fitting footwear and these injuries are often on the tips of the toes or on the plantar surface of the head of the first metatarsal.  [3, 4]

A leg ulcer is the breakdown in tissue on a leg or foot resulting from alterations in either the arterial or venous vessels, or both, in the lower leg.   Venous leg ulcers are the most common type of leg ulcers and are the result of poor venous return to the heart resulting in sustained venous hypertension, causing swelling and tissue damage in the lower leg. [5]

In-closed wounds, primary closure, the skin edges are re-approximated by stitches, staples, tissue adhesives or adhesive strips and left to heal by primary intention. [7]

A burn is an injury to tissue that may be caused by dry heat, such as fire or contact with a hot surface, or moist heat, such as steam or hot liquids, chemicals, electricity, lightning, or radiation from either the sun or radiotherapy. Burns vary in severity depending on the extent of tissue damage: superficial, superficial -partial thickness, deep partial thickness, or full thickness. They are classified according to the total body surface area effected by the damage and sometimes classified by first, second, or third degree depending on the depth of the burn. Third degree burns are full thickness. Control of bacteria and reduction of pain associated with dressing changes is very important with burns and antimicrobial dressings can address these concerns. ConvaTec offers dressings that are helpful with burn care both for the burn, and the graft harvest area when skin grafts are required. [1,2]