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Bedsores

What are bedsores?

Bedsores can occur when a person is bedridden or otherwise immobile, unconscious, or unable to sense pain. Bedsores are ulcers that occur on areas of the skin that are under pressure from lying in bed, sitting in a wheelchair, or wearing a cast for a prolonged time. Bedsores are also called pressure sores or decubitus ulcers. 

Bedsores can be a serious problem among frail older adults. They can be related to the quality of care the person receives. If an immobile or bedridden person is not turned, positioned correctly, and given good nutrition and skin care, bedsores can develop. People with diabetes, circulation problems, and poor nutrition are at higher risk. 

What causes bedsores?

A bedsore develops when blood supply to the skin is cut off for more than 2 to 3 hours. As the skin dies, the bedsore first starts as a red, painful area, which eventually turns purple. Left untreated, the skin can break open and become infected.

A bedsore can become deep. It can extend into the muscle and bone. Once a bedsore develops, it is often very slow to heal. Depending on the severity of the bedsore, the person's physical condition, and the presence of other diseases (such as diabetes), bedsores can take days, months, or even years to heal. 

Bedsores often occur on the:

  • Buttocks area (on the tailbone or hips)
  • Heels of the feet
  • Shoulder blades
  • Back of the head
  • Backs and sides of the knees

What are the risk factors for bedsores?

Being bedridden, unconscious, unable to sense pain, or immobile increases the risk that a bedsore will develop. The risk increases if the person is not turned, positioned correctly, or provided with proper nutrition and skin care. People with diabetes, circulation problems and malnutrition are at higher risk.

What are the symptoms of bedsores?

Bedsores are divided into 4 stages, from least severe to most severe. These are:

  • Stage 1. The area looks red and feels warm to the touch. With darker skin, the area may have a blue or purple tint. The person may also complain that it burns, hurts, or itches.
  • Stage 2. The area looks more damaged and may have an open sore, scrape, or blister. The person complains of significant pain and the skin around the wound may be discolored.
  • Stage 3. The area has a crater-like appearance due to damage below the skin's surface.
  • Stage 4. The area is severely damaged and a large wound is present. Muscles, tendons, bones, and  joints can be involved. Infection is a significant risk at this stage. 

A wound is not assigned a stage when there is full-thickness tissue loss and the base of the ulcer is covered by slough or eschar is found in the wound bed. Slough may be tan, grey, green, brown, or yellow in color. Eschar is usually tan, brown or black. 

How are bedsores diagnosed?

Doctors diagnose bedsores by inspecting the skin of those at risk for them. They are staged according to their appearance.

How are bedsores treated?

Specific treatment of a bedsore is determined by your health care provider and wound care team and based on the severity of the condition. Treatment may be more difficult once the skin is broken, and may include the following:

  • Removing pressure on the affected area
  • Protecting the wound with medicated gauze or other special dressings
  • Keeping the wound clean
  • Ensuring good nutrition
  • Removing the damaged, infected, or dead tissue (debridement)
  • Transplanting healthy skin to the wound area (skin grafts)
  • Negative pressure wound therapy
  • Medication (such as antibiotics to treat infections)

Health care professionals will watch the bedsore closely. They will document size, depth, and response to treatment

What are the complications of bedsores?

Once a bedsore develops, it can take days, months, or even years to heal. It can also become infected, causing fever and chills. An infected bedsore can take a long time to clear up. As the infection spreads through your body, it can also cause mental confusion, a fast heartbeat, and generalized weakness.

Can bedsores be prevented?

Bedsores can be prevented by inspecting the skin for areas of redness (the first sign of skin breakdown) every day with particular attention to bony areas.  Other methods of preventing bedsores and preventing existing sores from getting worse include:

  • Turning and repositioning every 2 hours
  • Sitting upright and straight in a wheelchair, changing position every 15 minutes
  • Providing soft padding in wheelchairs and beds to reduce pressure
  • Providing good skin care by keeping the skin clean and dry
  • Providing good nutrition because without enough calories, vitamins, minerals, fluids, and protein, bed sores can’t heal, no matter how well you care for the sore

Key points

  • Bedsores are ulcers that occur on areas of the skin that are under pressure from lying in bed, sitting in a wheelchair, and/or wearing a cast for a prolonged period.
  • Bedsores can occur when a person is bedridden, unconscious, unable to sense pain, or immobile.
  • Bedsores can be prevented by inspecting the skin for areas of redness (the first sign of skin breakdown) every day with particular attention to bony areas.

Next steps

Tips to help you get the most from a visit to your health care provider:

  • Before your visit, write down questions you want answered.
  • Bring someone with you to help you ask questions and remember what your provider tells you.
  • At the visit, write down the names of new medicines, treatments, or tests, and any new instructions your provider gives you.
  • If you have a follow-up appointment, write down the date, time, and purpose for that visit.
  • Know how you can contact your provider if you have questions.
Bedsores - WellSpan Health

Online Medical Reviewer: Foster, Sara, RN, MPH
Online Medical Reviewer: Freeborn, Donna, PhD, CNM, FNP
Last Review Date: 2013-11-08T00:00:00
Last Modified Date: 2016-07-28T00:00:00
Published Date: 2016-07-28T00:00:00
Last Review Date: 2007-03-30T00:00:00
© 2016 WellSpan Health. All Rights Reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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