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HOW CAN DIABETES AFFECT THE FEET?

People with diabetes are prone to foot problems that develop due to prolonged periods of high blood sugar levels. Diabetic neuropathy and peripheral vascular disease are the two main foot problems that occur, and both can have serious complications.

SYMPTOMS OF DIABETIC FOOT INFECTION

If an infection develops, a person may also experience some of the following Below

When to See a Doctor

Wound Care

DIABETIC FOOT ULCER

PERIPHERAL NEUROPATHY

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Diabetic Foot Infection Treatment

DIABETIC FOOT Infection FAQ’s


What Is a Diabetic Foot Ulcer?

A diabetic foot ulcer is an open sore or wound that occurs in approximately 15 percent of patients with diabetes, and is commonly located on the bottom of the foot. Of those who develop a foot ulcer, six percent will be hospitalized due to infection or other ulcer-related complication. Diabetes is the leading cause of nontraumatic lower extremity amputations, and approximately 14 to 24 percent of patients with diabetes who develop a foot ulcer have an amputation. Research, however, has shown that the development of a foot ulcer is preventable.

Who Can Get a Diabetic Foot Ulcer?

Anyone who has diabetes can develop a foot ulcer. Native Americans, African Americans, Hispanics and older men are more likely to develop ulcers. People who use insulin are at a higher risk of developing a foot ulcer, as are patients with diabetes-related kidney, eye, and heart disease. Being overweight and using alcohol and tobacco also play a role in the development of foot ulcers.

What Is the Value of Treating a Diabetic Foot Ulcer?

Once an ulcer is noticed, seek podiatric medical care immediately. Foot ulcers in patients with diabetes should be treated for several reasons:

  • To reduce the risk of infection and amputation
  • To improve function and quality of life
  • To reduce health care costs

How Should a Diabetic Foot Ulcer Be Treated?

The primary goal in the treatment of foot ulcers is to obtain healing as soon as possible. The faster the healing of the wound, the less chance for an infection.

There are several key factors in the appropriate treatment of a diabetic foot ulcer:

  • Prevention of infection
  • Taking the pressure off the area, called “off-loading”
  • Removing dead skin and tissue, called “debridement”
  • Applying medication or dressings to the ulcer
  • Managing blood glucose and other health problems

Not all ulcers are infected; however, if your podiatric physician diagnoses an infection, a treatment program of antibiotics, wound care, and possibly hospitalization will be necessary.

Preventing Infection

There are several important factors to keep an ulcer from becoming infected:

  • Keep blood glucose levels under tight control
  • Keep the ulcer clean and bandaged
  • Cleanse the wound daily, using a wound dressing or bandage
  • Do not walk barefoot

Off-Loading

For optimum healing, ulcers, especially those on the bottom of the foot, must be “off-loaded.” Patients may be asked to wear special footgear, or a brace, specialized castings, or use a wheelchair or crutches. These devices will reduce the pressure and irritation to the ulcer area and help to speed the healing process.

The science of wound care has advanced significantly over the past ten years. The old thought of “let the air get at it” is now known to be harmful to healing. We know that wounds and ulcers heal faster, with a lower risk of infection, if they are kept covered and moist. The use of full-strength betadine, peroxide, whirlpools and soaking are not recommended, as this could lead to further complications.

Applying Medication and Dressings

Appropriate wound management includes the use of dressings and topically-applied medications. These range from normal saline to advanced products, such as growth factors, ulcer dressings, and skin substitutes that have been shown to be highly effective in healing foot ulcers.

For a wound to heal there must be adequate circulation to the ulcerated area. Your podiatrist may order evaluation test such as noninvasive studies and or consult a vascular surgeon.

Managing Blood Glucose

Tightly controlling blood glucose is of the utmost importance during the treatment of a diabetic foot ulcer. Working closely with a medical doctor or endocrinologist to accomplish this will enhance healing and reduce the risk of complications.

Surgical Options

A majority of noninfected foot ulcers are treated without surgery; however, when this fails, surgical management may be appropriate. Examples of surgical care to remove pressure on the affected area include shaving or excision of bone(s) and the correction of various deformities, such as hammertoes, bunions, or bony “bumps.”

Healing Factors

Healing time depends on a variety of factors, such as wound size and location, pressure on the wound from walking or standing, swelling, circulation, blood glucose levels, wound care, and what is being applied to the wound. Healing may occur within weeks or require several months.

How Can a Foot Ulcer Be Prevented?

The best way to treat a diabetic foot ulcer is to prevent its development in the first place. Recommended guidelines include seeing a podiatrist on a regular basis. He or she can determine if you are at high risk for developing a foot ulcer and implement strategies for prevention.

You are at high risk if you:

  • Have neuropathy
  • Have poor circulation
  • Have a foot deformity (i.e. bunion, hammer toe)
  • Wear inappropriate shoes
  • Have uncontrolled blood sugar

Reducing additional risk factors, such as smoking, drinking alcohol, high cholesterol, and elevated blood glucose are important in the prevention and treatment of a diabetic foot ulcer. Wearing the appropriate shoes and socks will go a long way in reducing risks. Your podiatric physician can provide guidance in selecting the proper shoes.

Learning how to check your feet is crucial in noticing a potential problem as early as possible. Inspect your feet every day—especially between the toes and the sole—for cuts, bruises, cracks, blisters, redness, ulcers, and any sign of abnormality. Each time you visit a health care provider, remove your shoes and socks so your feet can be examined. Any problems that are discovered should be reported to your podiatrist or a medical professional as soon as possible, no matter how “simple” it may seem to you.

The key to successful wound healing is regular podiatric medical care to ensure the following “gold standard” of care:

  • Lowering blood sugar
  • Appropriate debridement of wounds
  • Treating any infection
  • Reducing friction and pressure
  • Restoring adequate blood flow
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