Decubitus Ulcer Formation
- Pressure ulcers are a localized injury to the skin and/or underlying tissue, usually over a bony prominence, that occur as a result of pressure, shear, and/or friction.
- Stage I decubitus ulcers manifest as a non-blanchable area of skin redness, which then progresses to a partial thickness wound in Stage II, and further to full thickness skin loss in Stage III. Stage IV decubiti involve full thickness tissue loss with exposed bone, tendon, or muscle with sloughing, undermining, and tunneling. These ulcers can extend into muscle and/or supporting structures making osteomyelitis and sepsis a concern.
- Decubitus ulcers are associated with an increased morbidity and mortality, and healing can be difficult as debilitated patients who form them usually have widespread vascular disease, nutritional de cits, and/or oxygenation/perfusion difficulties.