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JAMA Patient Page |

Pressure Ulcers FREE

JAMA. 2003;289(2):254. doi:10.1001/jama.289.2.254.
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Pressure ulcers, also known as bed sores or pressure sores, often occur in persons who cannot move around easily. The skin and tissue underneath break down from continued pressure and poor circulation. When the skin breaks down, it becomes red. Open sores develop after the skin changes. In severe cases, the pressure ulcer causes destruction of muscle or even bone underneath the skin.

Pressure ulcers usually occur in persons who have predisposing risk factors, such as poor nutrition, continued moisture (especially from urine or feces), confinement to a bed or wheelchair, and other medical problems (especially spinal cord injury, hip fracture, or dementia). Because older people are more likely to need a wheelchair or to spend more time sitting in a chair or being confined to bed, they need special attention to prevent formation of a pressure ulcer. It is important for anyone with risk factors to discuss pressure ulcer formation with his or her doctor. Even mild skin redness may be the start of a pressure ulcer. The January 8,2003,issue of JAMA includes an article about pressure ulcers.


Continued pressure on the skin from sitting or lying in one position causes poor circulation. Blood and lymphatic fluid have difficulty going to and leaving the pressurized area, causing both a lack of oxygen and swelling. In persons with poor nutrition or inability to move themselves, this lack of blood flow may cause the skin to break down. It becomes reddened and may tear away from the supporting tissue underneath. If the conditions leading to the pressure ulcer are not rapidly corrected, the skin damage may spread to the tissue, muscle, and even bone underneath. Pressure ulcers can become infected. This may make treatment more difficult.


  • Keep skin free of moisture

  • Improve nutrition

  • Frequently turn or reposition someone who is confined to bed or to a wheelchair

  • Air mattresses may be used for high-risk persons

  • Correct or treat incontinence

  • Special dressings may be used

  • Debridement (cutting away dead tissue)or surgery may be required for severe pressure ulcers



To find this and previous JAMA Patient Pages, go to the Patient Page Index on JAMA's Web site at www.jama.com. They are available in English and Spanish.

The JAMA Patient Page is a public service of JAMA .The information and recommendations appearing on this page are appropriate in most instances, but they are not a substitute for medical diagnosis. For specific information concerning your personal medical condition, JAMA suggests that you consult your physician. This page may be photocopied noncommercially by physicians and other health care professionals to share with patients. Any other print or online reproduction is subject to AMA approval. To purchase bulk reprints, call 718/946-7424.

Sources: American Academy of Family Physicians, National Institutes of Health, National Pressure Ulcer Advisory Panel




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