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Ankle Replacement (Total Ankle Arthroplasty)

Ankle replacement is a treatment option for patients who experience severe pain and limited mobility due to advanced ankle joint arthritis. In this surgery, the damaged joint surfaces are removed and replaced with specialized artificial components (prostheses). The goal is to relieve pain while preserving natural ankle motion.

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Why Is It Performed?

Ankle replacement is usually preferred in the following situations:

  • Advanced ankle osteoarthritis

  • Rheumatic diseases (e.g., rheumatoid arthritis)

  • Joint disorders resulting from previous fractures or trauma

  • Long-standing pain and restricted range of motion

  • Patients seeking an alternative to ankle fusion (arthrodesis)

Types of Ankle Replacement

  1. Total Ankle Replacement
    The joint surfaces between the tibia (shin bone) and the talus (ankle bone) are replaced. The prosthesis consists of metal, polyethylene, and ceramic components, allowing preservation of joint mobility.

  2. Revision Ankle Replacement
    This procedure is performed when a previously implanted ankle prosthesis needs to be replaced due to loosening, wear, or infection.

Benefits of Ankle Replacement

  • Relief from severe ankle pain

  • Preservation of natural joint motion

  • Improvement of limping and gait abnormalities

  • More natural walking compared to ankle fusion (arthrodesis)

  • Significant improvement in quality of daily life

Note: Not every patient is a suitable candidate for ankle replacement. Factors such as bone quality, presence of deformity, age, and activity level must be carefully evaluated.

Frequently Asked Questions

  1. Who is not a suitable candidate for ankle replacement?
    Patients with advanced bone loss, severe deformities, active infection, or high physical activity demands may not be suitable candidates.

  2. When can I walk after surgery?
    Walking without weight-bearing is recommended during the first few weeks. Full weight-bearing is usually allowed gradually within 6–8 weeks under medical supervision.

  3. Is physical therapy necessary?
    Yes. Postoperative physical therapy is crucial for restoring ankle motion and increasing muscle strength.

  4. How long does an ankle prosthesis last?
    With proper patient selection and appropriate use, it can last 10–15 years or longer.

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