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Areas where bedsores occur
Areas where bedsores occur


Progression of a decubitis ulcer
Progression of a decubitis ulcer


Definition:

A pressure ulcer is an area of skin that breaks down when you stay in one position for too long without shifting your weight. This often happens if you use a wheelchair or you are bedridden, even for a short period of time (for example, after surgery or an injury). The constant pressure against the skin reduces the blood supply to that area, and the affected tissue dies.

A pressure ulcer starts as reddened skin but gets progressively worse, forming a blister, then an open sore, and finally a crater. The most common places for pressure ulcers are over bony prominences (bones close to the skin) like the elbow, heels, hips, ankles, shoulders, back, and the back of the head.



Alternative Names:

Bedsore; Decubitus ulcer



Considerations:



Causes: These factors increase the risk for pressure ulcers:
  • Being bedridden or in a wheelchair
  • Fragile skin
  • Having a chronic condition, such as diabetes or vascular disease, that prevents areas of the body from receiving proper blood flow
  • Inability to move certain parts of your body without assistance, such as after spinal or brain injury or if you have a neuromuscular disease (like multiple sclerosis)
  • Malnourishment
  • Mental disability from conditions such as Alzheimer's disease -- the patient may not be able to properly prevent or treat pressure ulcers
  • Older age
  • Urinary incontinence or bowel incontinence


Symptoms: Pressure sores are categorized by severity, from Stage I (earliest signs) to Stage IV (worst):
  • Stage I: A reddened area on the skin that, when pressed, is "non-blanchable" (does not turn white). This indicates that a pressure ulcer is starting to develop.
  • Stage II: The skin blisters or forms an open sore. The area around the sore may be red and irritated.
  • Stage III: The skin breakdown now looks like a crater where there is damage to the tissue below the skin.
  • Stage IV: The pressure ulcer has become so deep that there is damage to the muscle and bone, and sometimes tendons and joints.


First Aid: Once a pressure ulcer is identified, steps must be taken immediately:
  • Relieve the pressure on that area. Use pillows, special foam cushions, and sheepskin to reduce the pressure.
  • Treat the sore based on the stage of the ulcer. Your health care provider will give you specific treatment and care instructions.
  • Avoid further trauma or friction. Powder the sheets lightly to decrease friction in bed. (There are many items made specifically for this purpose -- check a medical supplies store.)
  • Improve nutrition and other underlying problems that may affect the healing process.
  • If the pressure ulcer is at Stage II or worse, your health care provider will give you specific instructions on how to clean and care for open ulcers. It is very important to do this properly to prevent infection.
  • Keep the area clean and free of dead tissue. Your health care provider will give you specific care directions. Generally, pressure ulcers are rinsed with a salt-water rinse to remove loose, dead tissue. The sore should be covered with special gauze dressing made for pressure ulcers.
  • New medicines that promote skin healing are now available and may be prescribed by your doctor.


Do Not:
  • Do NOT massage the area of the ulcer. Massage can damage tissue under the skin.
  • Donut-shaped or ring-shaped cushions are NOT recommended. They interfere with blood flow to that area and cause complications.


Call immediately for emergency medical assistance if:

Contact your health care provider if an area of the skin blisters or forms an open sore. Contact the provider immediately if there are any signs of an infection. An infection can spread to the rest of the body and cause serious problems. Signs of an infected ulcer include:

  • A foul odor from the ulcer
  • Redness and tenderness around the ulcer
  • Skin close to the ulcer is warm and swollen

Fever, weakness, and confusion are signs that the infection may have spread to the blood or elsewhere in the body.



Prevention:

If bedridden or immobile with diabetes, circulation problems, incontinence, or mental disabilities, you should be checked for pressure sores every day. Look for reddened areas that, when pressed, do not turn white. Also look for blisters, sores, or craters. In addition, take the following steps:

  • Change position at least every two hours to relieve pressure.
  • Use items that can help reduce pressure -- pillows, sheepskin, foam padding, and powders from medical supply stores.
  • Eat healthy, well-balanced meals.
  • Exercise daily, including range-of-motion exercises for immobile patients.
  • Keep skin clean and dry. Persons with incontinence need to take extra steps to limit moisture.


References:

Garcia AD, Thomas DR. Assessment and Management of Chronic Pressure Ulcers in the Elderly. Med Clin North Am. 2006 Sep;90(5):925-44.

Fonder MA, Lazarus GS, Cowan DA, Aronson-Cook B, Kohli AR, Mamelak AJ. Treating the chronic wound: A practical approach to the care of nonhealing wounds and wound care dressings. J Am Acad Dermatol. 2008 Feb;58(2):185-206.




Review Date: 7/11/2008
Reviewed By: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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