A hammertoe is a deformity that causes a toe to become bent upward in the middle so it resembles a hammer. This can cause the toe to rub against the top of the shoe or irritate the end of the toe by jamming it into the ground. Hammertoes often occur in conjunction with other toe problems. It is possible to develop corns (calluses) on top of the middle joint of the hammertoe from rubbing against the top of the shoe.
Patients who have hammertoes try to manage them by treating the symptoms. This involves padding the toe and changing or stretching shoes for comfort. If you still experience discomfort from the hammertoe you may consider surgery.
The hammertoe can be flexible or stiff. Depending on the flexibility of the toe and the preference of your orthopaedic foot and ankle surgeon, several different surgeries are used to treat the hammertoe.
Flexible Hammertoe:
This means that the toe can be easily straightened during your examination with a foot and ankle orthopaedic surgeon. If your hammertoe is flexible and your surgeon can straighten the toe, a tendon transfer procedure may be used to correct the problem. This involves rerouting the tendons from the bottom of the toe to the top of the toe where it is sticking up. This helps straighten the joint. Occasionally, a joint at the base of the toe needs to be released as well to allow the toe to lay completely straight.
Fixed Hammertoe:
This means your toe is unable to be straightened by the foot and ankle orthopaedic surgeon during the examination. If your hammertoe has become fixed (stiff), there are two options for treatment. Removing the rigid joint can treat the fixed hammertoe. In this procedure an incision is made over the top of the toe. Ligaments and tendons may be cut to help with straightening the toe. The end of the bone at the fixed joint is removed to allow the toe to straighten completely and pins are used temporarily to hold the toe straight. The pins are usually removed three to four weeks after the surgery.
A fusion also can treat a fixed hammertoe. In this procedure, the ligaments and tendons are cut to help straighten the toe. The ends of the bone at the fixed joint are cut and the toe is straightened. Pins, screws, or other implants are used to keep the toe straight while the bone ends heal together.
Just like the flexible hammertoe treatment, both fixed hammertoe options may require release of the joint at the base of the toe to allow the toe to lay completely flat.
COMPLICATIONS
All surgeries come with possible complications, including the risks associated with anesthesia, infection, damage to nerves and blood vessels, and bleeding or blood clots.
Complications specific to hammertoe surgery include a small chance that the hammertoe may come back after your surgery. There is a risk that after the surgery you may feel like the toe is unstable. This is due to the cutting of ligaments and tendons. The risk is small because pins are used to hold the toe in place for a few weeks while the toe heals. If you have a fusion there is a small risk of the bones not healing. These complications are rare. Discuss the potential complications with your orthopaedic surgeon prior to undergoing hammertoe correction.
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