Dr. Dharmapal G. K. The Best Orthopaedic Surgeon in Bengaluru

Treatment for Arthritis of Foot and Ankle

Arthritis of foot and ankle

TREATMENT

There is no cure for arthritis but there are a number of treatments that may help relieve the pain and disability it can cause.

Nonsurgical Treatment

Initial treatment of arthritis of the foot and ankle is usually nonsurgical. Your doctor may recommend a range of treatment options.

Lifestyle modifications. Some changes in your daily life can help relieve the pain of arthritis and slow the progression of the disease. These changes include:

  • Minimizing activities that aggravate the condition.
  • Switching from high-impact activities (like jogging or tennis) to lower impact activities (like swimming or cycling) to lessen the stress on your foot and ankle.
  • Losing weight to reduce stress on the joints, resulting in less pain and increased function.

Physical therapy. Specific exercises can help increase range of motion and flexibility, as well as help strengthen the muscles in your foot and ankle. Your doctor or a physical therapist can help develop an individualized exercise program that meets your needs and lifestyle.

Although physical therapy often helps relieve stress on the arthritic joints, in some cases it may intensify joint pain. This occurs when movement creates increasing friction between the arthritic joints. If your joint pain is aggravated by physical therapy, your doctor will stop this form of treatment.

 
A custom-molded leather brace for ankle and hindfoot arthritis

A custom-molded leather brace can be effective in minimizing the pain and discomfort from ankle and hindfoot arthritis.

Assistive devices. Using a cane or wearing a brace—such as an ankle-foot orthosis (AFO)-may help improve mobility. In addition, wearing shoe inserts (orthotics) or custom-made shoes with stiff soles and rocker bottoms can help minimize pressure on the foot and decrease pain. In addition, if deformity is present, a shoe insert may tilt the foot of ankle back straight, creating less pain in the joint.

Medications. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen and naproxen, can help reduce swelling and relieve pain. In addition, cortisone is a very effective anti-inflammatory agent that can be injected into an arthritic joint. Although an injection of cortisone can provide pain relief and reduce inflammation, the effects are temporary.

Surgical Treatment

Your doctor may recommend surgery if your pain causes disability and is not relieved with nonsurgical treatment. The type of surgery will depend on the type and location of the arthritis and the impact of the disease on your joints. In some cases, your doctor may recommend more than one type of surgery.

Arthroscopic debridement. This surgery may be helpful in the early stages of arthritis. Debridement (cleansing) is a procedure to remove loose cartilage, inflamed synovial tissue, and bone spurs from around the joint.

 
arthroscopic ankle surgery

The surgeon holds the arthroscope in his left hand and uses a thin instrument with his right hand to create another small incision.

Reproduced with permission from van Dijk CN, van Bergen JA: Advancements in ankle arthroscopy. J Am Acad Orthop Surg November 2008; 16: 635-646.

During arthroscopy, your surgeon inserts a small camera, called an arthroscope, into your foot or ankle joint. The camera displays pictures on a television screen, and your surgeon uses these images to guide miniature surgical instruments. Because the arthroscope and surgical instruments are thin, your surgeon can use very small incisions (cuts), rather than the larger incision needed for a traditional, open surgery.

Arthroscopic surgery is most effective when pain is due to contact between bone spurs and the arthritis has not yet caused significant narrowing of the joint space between the bones. Arthroscopy can make an arthritic joint deteriorate more rapidly. Removing bone spurs may increase motion in the joint, causing the cartilage to wear away quicker.

Arthrodesis (fusion). Arthrodesis fuses the bones of the joint completely, making one continuous bone out of two or more bones. The goal of the procedure is to reduce pain by eliminating motion in the arthritic joint.

During arthrodesis, the doctor removes the damaged cartilage and then uses pins, plates and screws, or rods to fix the joint in a permanent position. Over time, the bones fuse or grow together, just like two ends of a broken bone grow together as it heals. By removing the joint, the pain disappears.

 
screws used in fusion of hindfoot
Screws are used to fuse the bones of the hindfoot and prevent painful motion.
Reproduced with permission from Abdo RV, Iorio LJ: Rheumatoid Arthritis of the Foot and Ankle J Am Acad Orthop Surg 1994;2:326-332.

Arthrodesis is typically quite successful, although there can be complications. In some cases, the joint does not fuse together (nonunion), and the hardware may break. This may happen if you put weight on your foot before the fusion is complete. While the broken hardware does not cause pain, the nonunion of the fusion can lead to pain and swelling. If nonunion occurs, a second operation to place bone graft in the ankle and place new hardware may be needed. However, repeated fusions are not as likely to be successful, so it is best to closely follow your doctor’s guidelines during the recovery period of your original operation.

A small percentage of patients have problems with wound healing, but these problems can usually be addressed by bracing or by an additional surgery. In some cases, loss of motion in the ankle after a fusion causes the joints adjacent to the one fused to bear more stress than they did before the surgery. This can lead to arthritis in the adjacent joints years after the surgery.

Total ankle replacement (arthroplasty). In total ankle replacement, your doctor removes the damaged cartilage and bone, and then positions new metal or plastic joint surfaces to restore the function of the joint.

Although total ankle replacement is not as common as total hip or total knee replacement, advances in implant design have made it a viable option for many people.

 
An x-ray of a total ankle replacement (arthroplasty)

An x-ray of a total ankle replacement (arthroplasty).

Reproduced with permission from Ishikawa SN, Gause LN: Immunologic rheumatic disorders of the foot and ankle. Orthopaedic Knowledge Online Journal 2012;Volume 10 Number 8. Accessed February 2015.

Ankle replacement is most often recommended for patients who have:

  • Advanced arthritis of the ankle
  • Arthritis that has destroyed the ankle joint surfaces
  • Ankle pain that interferes with daily activities

Ankle replacement relieves the pain of arthritis and offers patients more mobility and movement than fusion. In addition, being able to move the formerly arthritic joint means that less stress is transferred to the adjacent joints. This lessens the chance of developing adjacent joint arthritis.

As in any type of joint replacement, an ankle implant may loosen or fail over the years. If the implant failure is severe, the replaced joint can be exchanged for a new implant — this procedure is called a revision surgery.

Another option is to remove the implant and fuse the joint. This type of fusion is more difficult than when fusion is done as the initial procedure. When the implant is removed, there is space in the bone that must be filled with bone graft to maintain the length of the leg. Because the new bone may not be as strong, the risk of nonunion is greater.

Recovery

In most cases, surgery relieves the pain of arthritis and makes it easier to perform daily activities. Full recovery can take from 4 to 9 months, depending on the severity of your condition before surgery and the complexity of your procedure.

Foot and ankle surgery can be painful. While you should expect to feel some discomfort, advancements in pain control now make it easier for your doctor to manage and relieve pain. Immediately after surgery, you will be given medication for pain relief. If needed, your doctor will provide you with a pain reliever that you can take for a short time while you are home.

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