A pressure sore or ulcer is caused due to pressure that is exerted on the patient support interfaces for an extended period of time. Persistent pressure reduces blood flow to the area of interfaces causing the skin to breakdown. Two variables that play a critical role in the development of pressure ulcers are the presence of acute pressure for a prolonged period of time [1,2].

Approximately 5–30% of all hospitalized patients develop pressure ulcers depending on their condition [3]; 28.9% patients in communities and 27% in nursing homes develop pressure ulcers [2]. It is most common among patients with spinal cord injuries or elderly patients with physical disabilities. Seventy percent of all pressure ulcers are among the elderly [4]. Pressure ulcers cause discomfort, pain, and reduced mobility leading to loss of independence in addition to various medical complications such as...

You do not currently have access to this content.