Other less important local risk factors are localized edema, infection and hypoxia related to poor blood flow, such as with peripheral occlusive disease. Systemic risk factors for decubitus ulcers are malnutrition, both over and under. Immobility, of course. That s probably the biggest. Immobility for one reason or another.
Anemia is a risk factor for decubitus ulcer formation.
Hypotension, hypoxemia of course. Neurologic injury such as hemiplegia, paraplegia, quadriplegia. Diabetes with the impaired wound healing that occurs with diabetes. Skin tears are caused by trauma to thin, fragile skin. They occur typically on transfers of frail elderly people.