Hammer Toe Operation

Overview


A hammertoe is a contracture-or bending-of the toe at the first joint of the digit, called the proximal interphalangeal joint. This bending causes the toe to appear like an upside-down V when looked at from the side. Any toe can be involved, but the condition usually affects the second through fifth toes, known as the lesser digits. Hammertoes are more common to females than males.


Causes


Hammertoe and mallet toe have been linked to certain shoes. High-heeled shoes or footwear that's too tight in the toe box can crowd your toes into a space that's not large enough for them to lie flat. This curled toe position may eventually persist even when you're barefoot. Trauma. An injury in which you stub, jam or break a toe may make it more likely for that digit to develop hammertoe or mallet toe. Nerve injuries or disorders. Hammertoe and mallet toe are more common in people who have nerve damage in their feet, which often occurs with such medical problems as a stroke or diabetes.


Symptoms


For some people, a hammer toe is nothing more than an unsightly deformity that detracts from the appearance of the foot. However, discomfort may develop if a corn or callus develops on the end or top of the toe. If pressure and friction continue on the end or top of the toe, a painful ulcer may develop. Discomfort or pain can lead to difficulty walking.


Diagnosis


Your doctor is very likely to be able to diagnose your hammertoe simply by examining your foot. Even before that, he or she will probably ask about your family and personal medical history and evaluate your gait as you walk and the types of shoes you wear. You'll be asked about your symptoms, when they started and when they occur. You may also be asked to flex your toe so that your doctor can get an idea of your range of motion. He or she may order x-rays in order to better define your deformity.


Non Surgical Treatment


What will a doctor do? Treat any foot complaints such as corns, calluses by periodically reducing the lesion and applying appropriate pads and dressings. Recommend the silicone toe prop. If an infection is present, then anti-septic dressings, antibiotics and pads to redistribute pressure away from the lesion may be necessary. In the case of a mallet toe, trigger toe or claw toe. If a corn occurs at the end of the toe, a silicone or leather prop may be used to straighten the toe. In a hammertoe deformity, a silicone prop to redistribute pressure away from a corn may be necessary. The doctor may give footwear advice. In severe cases, corrective surgery may be necessary. The doctor may recommend orthosis to correct a mechanical complaint of the foot, such as 3/4 length silicone insoles.


Surgical Treatment


Probably the most frequent procedure performed is one called a Post or an Arthroplasty. In this case a small piece of bone is removed from the joint to straighten the toe. The toe is shortened somewhat, but there is still motion within the toe post-operatively. In other cases, an Arthrodesis is performed. This involves fusing the abnormally-contracted joint. The Taylor procedure fuses only the first joint in the toe, whereas the Lambrinudi procedure fuses both joints within the toe. Toes which have had these procedures are usually perfectly straight, but they take longer to heal and don't bend afterwards. A Hibbs procedure is a transfer of the toe's long extensor tendon to the top of the metatarsal bone. The idea of this procedure is to remove the deforming cause of the hammertoes (in this case, extensor substitution), but to preserve the tendon's function in dorsifexing the foot by reattaching it to the metatarsals. Fortunately, the Gotch (or hammertoes Gotch and Kreuz) procedure--the removal of the base of the toe where it attaches to the foot, is done less frequently than in years past. The problem with this procedure is that it doesn't address the problem at the level of the deformity, and it causes the toe to become destabilized, often resulting in a toe that has contracted up and back onto the top of the foot. You can even have an Implant Arthroplasty procedure, where a small, false joint is inserted into place. There are several other procedures, as well.


Prevention


Preventative treatment of hammertoe is directed toward the cause of the deformity. A functional orthotic is a special insert that can be prescribed by your podiatrist to address the abnormal functioning of the foot that causes the hammertoe. Functional orthotics can be thought of as contact lenses for your feet. They correct a number of foot problems that are caused by an abnormally functioning foot. Our feet, much like our eyes, change with time. Functional orthotics slow down or halt this gradual change in the foot. Often when orthotics are used for flexible hammertoes, the toes will overtime straighten out and correct themselves. Calf stretching exercises are also helpful. Calf stretching can help to overcome part of the muscle imbalance that causes the hammertoe.