Ankle and foot fusion surgery consists of procedures that fuse two or more bones together in the ankle or foot. The most common reason an ankle fusion is performed is to correct damage due to degenerative arthritis in the ankle. Degenerative arthritis of the ankle wears down the protective cartilage surrounding the joints in the ankle. The cartilage allows the bones to glide in and out of the joints smoothly, so loss of the cartilage causes the bones to rub against each other painfully.
Loss of cartilage can lead to other problems in the ankle such as bone fractures and bone spurs. A bone spur is a bony growth that usually forms on the edge of an irritated joint. It is caused by the loss of cartilage and is formed as the body attempts to grow more bone to protect the irritated area. Bone spurs can cause further damage to the surrounding tissue and become a very painful symptom of degenerative arthritis in the ankle. Ankle fusion is also performed to correct misalignment of the ankle bone and to repair severe bone damage due to injury.
Foot fusion surgery is also typically performed due to degenerative arthritis or injury in the foot. The joints in the foot most commonly affected by degenerative arthritis are the hindfoot, midfoot and the great toe. In the hindfoot section there are three joints; the subtalar joint, talonavicular joint and the calcaneocubid joint. In extreme cases, all three joints are fused together to correct the problems caused by arthritis in the foot. The joint in the midfoot joins together the smaller midfoot bones to the forefoot bones. The great toe joint is where the great toe bone connects to the first metatarsal (big toe). Each area of the foot works individually to provide balance, support and mobility for the rest of the body. When joints become damaged it can be very painful and debilitating and often will need to be corrected with foot fusion surgery.
Types of Ankle and Foot Fusion Surgery
Surgery is performed different for each area in the lower extremities. Each region in the lower extremities can have more than one type of fusion surgery. Each individual fusion surgery will often utilize bone graft material to cover the joint and surrounding bones in order to augment the fusion process. Categorized by region, types of ankle and foot fusion surgery include:
The multidisciplinary team of orthopaedic experts at North Shore-LIJ Orthopaedic Institute's Foot & Ankle Services in New York performs ankle and foot fusion as well as a broad range of nonsurgical and surgical treatments for conditions that affect the foot and ankle.
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