From Citizendium - Reading time: 1 min
Pressure ulcers are "an ulceration caused by prolonged pressure on the skin and tissues when one stay in one position for a long period of time, such as lying in bed. the bony areas of the body are the most frequently affected sites which become ischemic ( ischemia) under sustained and constant pressure."[1]
The treatment of pressure ulcers has been systematically reviewed.[2]