The National Pressure Advisory Panel updated its definition of the four “stages” used to diagnose pressure ulcers or decubitus ulcers (often referred to as bed sores). It also added two new stages on deep-tissue injury and ulcers that cannot be staged. The updated stages of pressure ulcers were released at the conclusion of its 2007 annual conference held in San Antonio, Texas.
A pressure ulcer or bed sore is a localized injury to the skin and/or underlying tissue, usually over a bony prominence as a result of pressure, or pressure in combination with shear and/or friction. In elderly or disabled patients, sores can begin on the skin of the tailbone, back, buttocks, heels, back of the head, or elbows. Poor nutrition or dehydration can weaken the skin and make it more vulnerable.
The new staging definitions are as follows: