Diagnosed With Arthritic Ankles? What You Can Expect From Treatment

It's best to proceed first with conservative management
Diagnosed With Arthritic Ankles? What You Can Expect from Treatment

Contributor: Alan Davis, MD

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Arthritis in your ankles has many causes. You might develop ankle arthritis after a fracture, as a consequence of rheumatoid arthritis, psoriasis or other cause. Or you might have degenerative arthritis due to a cause that may never be known.

Regardless of the cause, the end result is thinning of the protective joint surface cartilage, which produces bone-on-bone friction. This leads to inflammation, which causes pain.

The pain from arthritis causes stiffness, swelling and difficulty walking. You may have problems getting up from a seated position, or moving around first thing in the morning. You also may have difficulty trying to walk on steps, ramps or uneven surfaces.

Treating arthritic ankles

Treatment for ankle arthritis depends on the extent of your symptoms.

Initial treatment begins with modifying your activities, strengthening the muscles around your ankles, practicing balance exercises and taking anti-inflammatory medicines.

If you’re carrying some extra pounds, losing weight can help. You also might try a cane for the hand opposite the hurting ankle to alleviate pressure on the affected joint. Shoes that have a rocker or convex sole can decrease forces on your ankle.

If you’ve been diagnosed with inflammatory arthritis, medication management is essential. Compression sleeves and braces that you can purchase at the drugstore also may help.

Custom braces that eliminate motion and take pressure off the ankle often are the next step in treatment.

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Lastly, injections of cortisone, stem cells — or more recently — platelet-rich plasma may be an option.

If all of these conservative approaches are unsuccessful, surgery may be the best option.

There are two types of surgery for ankle arthritis; ankle fusion (arthrodesis), and total ankle replacement.

Ankle fusion

Ankle fusion, also called arthrodesis, is the most time-tested method of surgery.

This procedure involves removing what is left of the cartilage, aligning the ankle at 90 degrees, and placing screws or a plate to hold the joint in place so the body can grow a bone bridge across the joint.

The hardware is rarely removed, but only necessary until the fusion is solid. The concept is that once the fusion is solid, the pain is gone.

This procedure sacrifices motion for pain relief. You can walk quite normally with fusion surgery. Rocker shoes can sometimes make this even easier.

The surgery is ideally suited for the patient who has significant deformity, excessive bone loss, poor ligaments, poor bone quality, previous infection, marked obesity, or nerve damage indicated by poor muscle strength or lack of sensation.

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The results from ankle fusion are good, with more than 90 percent of patients reporting they are satisfied.

Total ankle replacement

Total ankle replacement (TAR) involves resurfacing the weight bearing parts of the ankle joint where bones come together.

A metal component is placed on the ankle’s upper bone and a matching metal component is secured to the lower bone. Between these components is a polyethylene liner that helps the ankle glide through its range of motion.

The advantage of TAR is that you can move your ankle after the procedure and enjoy more normal ankle function.

If you has arthritis at adjacent joints in the foot, TAR also can be helpful to alleviate stress on these joints, as opposed to a fusion which may increase these stresses.

The ideal candidate for TAR is someone with good bone quality, normal tendons and ligaments, reasonable alignment and normal neurologic function.

What we don’t know about TAR is how long the benefits last. Studies at 10 years post-procedure look good right now. If an ankle replacement fails, you may be able to have a corrective surgery, or you may have the opportunity for a fusion procedure.

If you have ankle arthritis, it’s best to proceed with conservative management first. If this fails and your quality of life is compromised, make an appointment with a foot and ankle specialist who performs both surgical procedures so you fully understand your options.

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