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Module 5.2: MASD
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Periwound and Peristomal Moisture Associated Dermatitis

Periwound moisture associated dermatitis

  • Erythema (redness) and inflammation of the skin within approximately 4cm of the wound edge, sometimes accompanied by erosions or denudation (loss of the epidermis). (Dowsett, 2013)
  • Excessive amounts of exudate can cause maceration and breakdown of periwound skin.
  • Exudate from chronic wounds has been found to contain a higher concentration of proteolytic enzymes as compared to exudate from acute wounds. (Romanelli et al., 2010)
  • Accurate wound and patient assessment must take place so that appropriate treatment can be planned.

The skin surrounding a wound that is macerated is vulnerable and can easily break down, leading to a potential increase in wound size.

Peristomal moisture associated dermatitis

  • Erythema (redness) and inflammation of the skin around the stoma, at times accompanied by denudation (loss of epidermis). (Dowsett, 2013)
  • MASD that begins at the stoma/skin junction and can extend outwards in a 10cm radius. (Colwell et al., 2011)