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Ankle Joint Replacement

What is Ankle Arthritis?

The ankle joint connects the leg with the foot and provides free movement to the foot. It is formed by connecting the bones of the lower leg, tibia, and fibula, with the talus, or ankle bone. 

The surfaces of the ankle bones are covered with articular cartilage. Damage to this leads to a condition called arthritis, which results in pain and impaired movement of the ankle. 

Infection, bone fracture, connective tissue disorder, excessive stress, and certain disease conditions such as rheumatoid arthritis and osteoarthritis can cause ankle arthritis.

How is Ankle Arthritis Diagnosed?

Ankle arthritis is diagnosed by your physician after reviewing your history and performing an examination of the symptomatic ankle. Imaging studies such as X-ray and MRI may be ordered to confirm the diagnosis.

What are the Treatment Options for Ankle Arthritis?

Conservative treatment of ankle arthritis involves oral medications and joint injections. However, if you are unresponsive to these treatments, ankle joint replacement surgery is recommended. 

What is Ankle Joint Replacement Surgery?

Ankle joint replacement, also known as total ankle arthroplasty, is a surgical procedure performed to relieve pain and immobility due to severe end-stage arthritis that has not responded to non-surgical treatments. The goal of ankle joint replacement surgery is to eliminate your pain and increase the mobility of your ankle joint.

Ankle joint replacement is also recommended for the elderly with a severe fracture from osteoporosis, or presence of a tumor in the ankle joint. 

How is an Ankle Joint Replacement Performed?

Ankle joint replacement surgery is performed under general anesthesia. Your surgeon makes an incision over the front of the ankle. The muscles are retracted, and tendons and ligaments moved away to expose the ankle joint. The damaged regions of the tibia, fibula and talus bone are then removed using special instruments, and the remaining healthy bones are reshaped to fit an artificial joint or prosthesis. A bone graft is inserted between the tibia and fibula to create a fusion of the two bones and prevent loosening of the prosthesis. The prosthetics are kept in position with special bone cement and instrumentation such as screws to support the artificial ankle. At the end of the surgery, tendons and other structures are positioned back to cover the new joint. The wound is sutured closed and covered with a sterile dressing.

What is the Postoperative Care for an Ankle Joint Replacement?

Following ankle joint replacement, you may need to stay in the hospital for 2-3 days and will be advised on certain precautionary measures to be followed for a successful recovery.

Swelling and discomfort can be managed with prescription pain medicines, applying ice packs, and by elevating your ankle above heart level while resting. 

The treated ankle will be immobilized with the help of splints and a bulky dressing. You are advised not to bear weight on the ankle for at least 6 weeks and use crutches for walking. Usually, a drain tube is inserted into the joint during surgery to drain blood from the incision, which is removed within 1-2 days after the surgery. Sutures are removed after 10-15 days and you should take care that the incision is kept clean and dry.

You will be referred to physical therapy soon after surgery to regain range of motion of the new ankle. 

You should avoid smoking, alcohol consumption, and should eat a healthy diet for the best outcome.

What are the Risks and Complications of Ankle Joint Replacement?

As with any major surgery, there are potential risks involved. The possible complications associated with ankle joint replacement include infection, fracture of the tibia or fibula, dislocation of the ankle, damage to nerves or blood vessels, blood clots (DVT or deep venous thrombosis), loosening of artificial components, failure to relieve pain, instability, and stiffness.

  • University of Notre Dame
  • Saint Joseph Health System
  • Beacon Health System
  •  American Academy of Orthopaedic Surgeons
  • The American Osteopathic Academy of Orthopedics
  • American Association of Hip and Knee Surgeons
  • American Board of Medical Specialties
  • American Board of Medical Specialties
  • American Board of Foot and Ankle Surgery
  • American Orthopaedic Foot & Ankle Society
  • American Orthopaedic Society for Sports Medicine
  • North American Spine Society
  • American Society for Surgery of the Hand
  • American Academy of Physician Assistants
  • Zimmer Biomet
  • Stryker Corporation
  • Arthrex
  • Breg
  • Smith+Nephew
  • DePuy Synthes