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Ankle Replacement (Arthroplasty)

Other Popular Names

Who does it affect?

Ankle replacement is most often recommended for patients with:

What is Total Ankle Replacement?

In arthroplasty, the damaged ankle joint is replaced with an artificial implant (prosthesis).

Over the last 10 years ankle arthroplasty has been growing in popularity as the implants available for replacement have improved. Current studies indicate about a 90 percent patient satisfaction rate in the first four years after surgery.

In addition to providing pain relief from arthritis and destroyed joint surfaces, ankle replacements offer patients better mobility and movement compared to fusion. By allowing motion at the formerly arthritic joint, less stress is transferred to the adjacent joints. Less stress results in reduced occurance of adjacent joint arthritis.

As in any joint replacement surgery, the ankle implant may loosen over the years or fail. If the implant failure is severe, revision surgery may be necessary.

Implants used in Ankle Replacement Surgery:

Surgery

The skin incision will be primarily in the front of the ankle with smaller incisions on the outside.

The foot bone is replaced with a smooth metal surface and a high-density polyethylene (plastic).

The patient will wake up from surgery in a dressing that is hard in the back and soft in the front  which will protect the foot and ankle and allow swelling.

Length of the surgery:

The surgery itself takes approximately two and a half hours.

Pain control:

Patients are given a combination of intravenous and oral narcotics to control the pain postoperatively. If a patient has the surgery under a block the leg may remain numb for six to 18 hours after surgery.

Post-surgery rehabilitation

Foot and ankle surgery can be painful. Pain relievers in the hospital and for a time period after being released from the hospital may help.

It is important to keep your foot elevated above the level of your heart for one to two weeks following surgery.

Your consultant may recommend physical therapy for several months to help you regain strength in your foot or ankle and to restore range of motion. Ordinary daily activities usually can be resumed in three to four months. You may need special shoes or braces.

In most cases, surgery relieves pain and makes it easier to perform daily activities. Full recovery takes four to nine months, depending on the severity of your condition before surgery, and the complexity of your procedure.

Risks

The vast majority of these surgical procedures move forward without risk.

However  risks include  but are not limited to:

There are also rare cases of pain syndromes reported from any foot  ankle  hand  or arm surgery. There are also risks of anesthesia  which you should discuss with the anesthesia team.

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