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According to the American Diabetes Association, more 29 million people (9.3 percent of the United States population) have diabetes. Nervous system damage (also called neuropathy) affects about 60 to 70 percent of people with diabetes and is a major complication that may cause diabetics to lose feeling in their feet or hands.

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Foot problems are a big risk in diabetics. Diabetics must constantly monitor their feet or face severe consequences, including amputation. 

With a diabetic foot, a wound as small as a blister from wearing a shoe that’s too tight can cause a lot of damage. Diabetes decreases blood flow, so injuries are slow to heal. When your wound is not healing, it’s at risk for infection. As a diabetic, your infections spread quickly. If you have diabetes, you should inspect your feet every day. Look for puncture wounds, bruises, pressure areas, redness, warmth, blisters, ulcers, scratches, cuts and nail problems. Get someone to help you, or use a mirror.

Here’s some basic advice for taking care of your feet:

  • Always keep your feet warm.
  • Don’t get your feet wet in snow or rain.
  • Don’t put your feet on radiators or in front of the fireplace.
  • Don’t smoke or sit cross-legged. Both decrease blood supply to your feet.
  • Don’t soak your feet.
  • Don’t use antiseptic solutions, drugstore medications, heating pads or sharp instruments on your feet.
  • Trim your toenails straight across. Avoid cutting the corners. Use a nail file or emery board. If you find an ingrown toenail, contact our office.
  • Use quality lotion to keep the skin of your feet soft and moist, but don’t put any lotion between your toes.
  • Wash your feet every day with mild soap and warm water.
  • Wear loose socks to bed.
  • Wear warm socks and shoes in winter.
  • When drying your feet, pat each foot with a towel and be careful between your toes.
  • Buy shoes that are comfortable without a “breaking in” period. Check how your shoe fits in width, length, back, bottom of heel, and sole. Avoid pointed-toe styles and high heels. Try to get shoes made with leather upper material and deep toe boxes. Wear new shoes for only two hours or less at a time. Don’t wear the same pair every day. Inspect the inside of each shoe before putting it on. Don’t lace your shoes too tightly or loosely.
  • Choose socks and stockings carefully. Wear clean, dry socks every day. Avoid socks with holes or wrinkles. Thin cotton socks are more absorbent for summer wear. Square-toes socks will not squeeze your toes. Avoid stockings with elastic tops.

When your feet become numb, they are at risk for becoming deformed. One way this happens is through ulcers. Open sores may become infected. Another way is the bone condition Charcot (pronounced “sharko”) foot. This is one of the most serious foot problems you can face. It warps the shape of your foot when your bones fracture and disintegrate, and yet you continue to walk on it because it doesn’t hurt. Diabetic foot ulcers and early phases of Charcot fractures can be treated with a total contact cast.

The shape of your foot molds the cast. It lets your ulcer heal by distributing weight and relieving pressure. If you have Charcot foot, the cast controls your foot’s movement and supports its contours if you don’t put any weight on it. To use a total contact cast, you need good blood flow in your foot. The cast is changed every week or two until your foot heals. A custom-walking boot is another way to treat your Charcot foot. It supports the foot until all the swelling goes down, which can take as long as a year. You should keep from putting your weight on the Charcot foot. Surgery is considered if your deformity is too severe for a brace or shoe.

Individuals with diabetes, are at an increased risk for a vast array of problems in the lower extremity.

Seemingly minor problems in an individual with diabetes can evolve much more rapidly than they would in a healthy individual to become a life threatening condition.  Tinea pedis or athlete ’s foot is four to five times more prevalent in individuals with diabetes versus those without.  This fungal foot injection can break down the skin, especially when it occurs between the toes, to allow bacteria to enter into the deep spaces of the foot and lead to more serious infection.  Lower extremity infection and its sequelae have become the leading cause of hospitalization of diabetic patients.  A variety of factors in diabetes lead to the development of serious infection in the feet.  High blood sugar damages many tissues in the body including nerves, blood vessels and immune cells.  Without healthy nerves, sensation is lost in the foot and wounds develop because the individual cannot feel the pain that healthy nerves would detect.  When blood vessels are damaged, tissues normally supplied with blood and nutrients from these vessels die from lack of oxygen and gangrene occurs.  When the immune cells are damaged, infection cannot be fought off.  It is for all of these reasons that self foot exams and regular lower extremity exams from your podiatrist are critical in stopping diabetic foot infections before they get the chance to progress.

In order to prevent ulcers and life and limb threatening infections, diabetic foot exams should be conducted once per year in an otherwise healthy diabetic individual.  If upon routine exam, a patient is found to have diminished sensation or an absent pulse (indicating nerve and artery damage) a foot assessment should be conducted every three to six months.  When a patient has these signs of nerve and artery damage along with calluses and deformitis of the feet, such as bunions and hammertoes, they are at a higher risk of ulceration and should see their podiatrist every three months.  Along with regular exams, other preventative measures such as custom orthotics or padding may be deemed necessary to reduce the risk of ulceration and possible need for amputation in the future.

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Precision Footcare
133 East 58th Street, Suite 506
Midtown East

New York, NY 10022
Phone: 212-750-8344
Fax: 212-751-1752

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