重庆医科大学：《护理学基础》课程教学资源（PPT课件）12-2 Prevention and Care of Pressure Ulcer（压疮）

evention and Care of Pressure Ulcer Shen Jun Nursing College at Chongqing Medical University

Shen Jun Nursing College at Chongqing Medical University Prevention and Care of Pressure Ulcer

Learning Objectives 1.Discuss the reasons why people develop pressure ulcer. 2.Define the term pressure ulcer. 3.Identify stages of pressure ulcer 4.List preventive measures. 5.Explain how to care pressure ulcer

Learning Objectives 1. Discuss the reasons why people develop pressure ulcer. 2. Define the term pressure ulcer. 3. Identify stages of pressure ulcer 4. List preventive measures. 5. Explain how to care pressure ulcer

What is a pressure ulcer(压力性溃疡)？ *Pressure ulcer is defined as any lesion caused by unrelieved pressure that results in damage to underlying tissue. Pressure ulcer is a damage area of skin which occurs when,over time,pressure reduces or cuts off the blood supply to a particular part of the body

What is a pressure ulcer(压力性溃疡)? ❖ Pressure ulcer is defined as any lesion caused by unrelieved pressure that results in damage to underlying tissue. Pressure ulcer is a damage area of skin which occurs when,over time, pressure reduces or cuts off the blood supply to a particular part of the body

Pressure on Blood Vessels

The change of the term Old name:decubitus ulcer,bed sore 疮) New name:pressure sore(压疮)， pressure ulcer(压力性溃疡)

❖ Old name: decubitus ulcer, bed sore (褥 疮) ❖ New name: pressure sore (压疮), pressure ulcer (压力性溃疡) The change of the term

Are pressure ulcers serious? They can be serious,depending on how much the skin and tissues have been damaged. Mild damage only causes the skin to be discolored and feel warmer than the surrounding skin. Deep ulcer go down into the muscle,or even to the bone (osteomyelitis(骨髓炎)，even death)

Are pressure ulcers serious? They can be serious, depending on how much the skin and tissues have been damaged. ❖ Mild damage only causes the skin to be discolored and feel warmer than the surrounding skin. ❖ Deep ulcer go down into the muscle, or even to the bone (osteomyelitis（骨髓炎）, even death)

How pressure ulcer are caused ÷1.Pressure(压力) Ex.sitting or lying in one position for too long ÷2.Friction(摩擦力) Ex.sliding up and down the bed ?3.Shearing(剪切力) Ex.patient's skin sticks to the sheets on the bed but his/her body slides down the bed

How pressure ulcer are caused ❖ 1.Pressure（压力） Ex. sitting or lying in one position for too long ❖ 2.Friction（摩擦力） Ex. sliding up and down the bed ❖ 3.Shearing（剪切力） Ex. patient’s skin sticks to the sheets on the bed but his/her body slides down the bed

剪切力的 作用范围 摩擦力 图2压力、剪切力和摩擦力作用于机体致PU示意图 [引自：Gebhardt K.Nursing Times,2002;98(11):42]

Where the pressure ulcer are most likely to develop pressure ulcer are most likely to develop on the body where the bone is close to the skin surface

Where the pressure ulcer are most likely to develop ❖ pressure ulcer are most likely to develop on the body where the bone is close to the skin surface

pressure ulcer are most likely to develop on the parts of body that take the weight

❖ pressure ulcer are most likely to develop on the parts of body that take the weight