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Charcot’s Neuroarthropathy (CN)


 

Overview

This condition, which most often occurs as a complication of long-term diabetes, is a progressive degenerative condition that affects the foot. It is characterized by nerve damage in the foot along with severely weakened foot bones. This combination can result in a person fracturing the foot, but continuing to walk on the broken bones, which leads to debilitating foot deformity.

Causes

This condition is almost always caused by nerve damage that results from diabetes, but it can result as a complication of any disease, syndrome or injury that damages the nerves of the feet. The loss of sensation in these nerves causes problems with the muscles that support the foot. A person with this type of nerve damage may adopt an improper stance or gait, placing harmful stress on the bones and joints of the foot. The bones begin to degenerate and fracture easily, leading to deformity.

Progression

There are three stages of the condition. During the first stage, the foot joint and surrounding bones break down, and the foot becomes unstable. The bones and joint can shift, causing foot deformity. During the second stage, the destructive process slows down and the foot begins to heal. The third stage of the condition results in the bones hardening in their new position, causing lasting foot deformity.

Symptoms

Most symptoms occur in the first stage of the condition, and may include warmness, redness and swelling of the skin of the foot, usually only in one foot but sometimes in both feet. As the condition progresses, the foot may collapse, and bony deformities may push outward from the bottom or the sides of the feet. Ulcers may form at the sites of these deformities, and the person may experience deep aching in the foot.

Treatment

Treatment options depend on the severity of the degeneration. If the foot is not yet deformed, it is typically placed in a cast for several months to allow it to rest and heal. Afterwards, orthotics and specialized footwear may be needed to minimize the chance of developing ulcers. If the foot has already become severely deformed, surgery may be needed to correct the deformity.

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Location

Schofield, Hand and Bright Orthopaedics
1950 Arlington Street, Suite #111
Sarasota, FL 34239
Phone: 941-921-2600
Fax: 941-925-8672

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941-921-2600