Dbride for Skin Ulcer or Cellulitis with CC

pressure ulcer is an irregularly shaped, depressed area that resulted from necrosis of the epidermis and/or dermis layers of the skin. Prolonged pressure causes inadequate circulation, ischemic ulceration, and tissue breakdown. Muscle tissue seems particularly susceptible to ischemia. Pressure ulcers may occur in any area of the body but occur mostly over bony prominences that can include the occiput, thoracic and lumbar vertebrae, scapula, coccyx, sacrum, greater trochanter, ischial tuberosity, lateral knee, medial and lateral malleolus, metatarsals, and calcaneus. Some 96% of pressure ulcers develop in the lower part of the body, with the hip and buttock region accounting for almost 70% of all pressure sores.

Pressure ulcers are the direct cause of death in 7% to 8% of all patients with paraplegia, and of those developing pressure ulcers in the hospital, more than half will die within a year. Pressure ulcers have been staged by the National Ulcer Advisory Panel, but the stages serve as a description only and do not necessarily provide an order for progression (Table 4).

• TABLE 4 Staging of Pressure Ulcers
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