If you have diabetic neuropathy and thus reduced sensation in your feet, you are at a high risk for developing Charcot foot.
This abnormality of the foot, characterized by pain, redness, swelling and increased foot temperature, is a degenerative condition whereby the joints of the arch collapse due to impaired sensation to pain. Oftentimes, only minor trauma is present to initiate the sequence of events, so it's extremely important for diabetics to pay extra attention to their feet.
When these minor episodes go untreated, small fractures around the joint pass unrecognized, eventually leading to active bone resorption, or the washing out of mineral from the bone. Bone resorption compromises the area and produces larger fractures and joint damage.
Motor neuropathy, impaired nerves for control of the muscle, causes mechanical deformities and imbalance, and later results in the breakdown of the intrinsic musculature that acts as stabilizers of the foot. It may also affect larger, more proximal muscles, causing muscle imbalance and abnormalities in the feet.
As stated above, Charcot foot causes pain and swelling. For that reason, it is often mistaken for osteoarthritis, a much slower progressive deformity. It's important to talk to your doctor if you notice these symptoms – especially if you have diabetes.
Other signs and symptoms include the following:
Prevention in an at-risk patient is very important. Here are some tips for helping avoid the development of Charcot foot.
Surgical intervention is typically complex, involving arthrodesis (fusion) type procedures and the use of bone grafts and internal fixation devices to stabilize, restore position and function, and prevent further destruction.
Information on foot, leg and lower body health conditions provided by The Podiatry Institute, dedicated to advancing the standard of care in podiatric medicine and its effects on muscoskeletal health.
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