Ankle Replacement vs. Fusion in Michigan | Which Is Right for You?

Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Township, MI. Last updated April 2026.

End-stage ankle arthritis — characterized by severe joint space narrowing, osteophyte formation, and debilitating pain with walking — that has failed comprehensive conservative management (bracing, injections, activity modification) ultimately requires surgical treatment. Two options exist: ankle fusion (arthrodesis) and total ankle replacement (TAR). Each has distinct advantages, limitations, and appropriate patient profiles. At Balance Foot & Ankle in Southeast Michigan, Dr. Tom Biernacki provides thorough pre-surgical evaluation and honest guidance on which procedure best fits each patient’s age, activity level, deformity, and overall health.

Ankle Fusion (Arthrodesis)

Ankle fusion eliminates motion at the tibiotalar joint by surgically removing the remaining cartilage and fusing the tibia to the talus with screws or plates. The resulting bone bridge eliminates pain from the arthritic joint. Advantages: highly durable — fusions can last a lifetime; technically reproducible with low reoperation rates; appropriate for patients with significant deformity, bone loss, avascular necrosis, infection history, or neuromuscular disease. Limitations: loss of tibiotalar motion causes compensatory stress on the subtalar and midtarsal joints, leading to adjacent joint arthritis in 20–40% of patients over 10–15 years; the altered gait from ankle stiffness increases energy expenditure; not easily reversible. Best candidates for fusion: younger (under 50–55), high-demand patients who place the durability requirement over mobility; patients with significant malalignment requiring correction; and patients who have risk factors that increase ankle replacement failure rates (obesity, prior infection, avascular necrosis, neuromuscular disease).

Total Ankle Replacement (TAR)

Modern third-generation total ankle replacement devices (STAR, Infinity, Salto Talaris, Zimmer Trabecular Metal) preserve tibiotalar motion by replacing the arthritic joint surfaces with a cobalt-chrome and polyethylene implant. Advantages: preserved ankle motion allows more natural gait; reduces adjacent joint stress compared to fusion; improved patient satisfaction in appropriately selected patients. Limitations: higher revision rates than fusion (10–15% at 10 years in modern series vs. 5–8% for fusion); technically demanding with a steeper learning curve; not appropriate for patients with significant deformity (>10° varus or valgus), significant bone loss, avascular necrosis, or poor bone quality. Best candidates for TAR: patients over 55–60 with lower activity demands, healthy bone stock, minimal deformity, and a primary goal of preserved motion and natural gait. Current evidence (TARVA trial, multiple registry studies) shows TAR provides comparable functional outcomes to fusion at 5 years with better gait mechanics, but higher revision rates remain a concern.

Frequently Asked Questions

Ankle arthritis doesn’t mean you must choose between pain and surgery blindly. Contact Balance Foot & Ankle in Southeast Michigan for a thorough ankle arthritis evaluation with Dr. Biernacki.

In-Office Treatment at Balance Foot & Ankle

If home treatment isn’t providing relief for your ankle conditions, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.

Frequently Asked Questions

Which is better for plantar fasciitis?

The shoe with more cushioning and a stronger rocker typically wins for plantar fasciitis. See full comparison for our specific verdict.

Which lasts longer?

Both options typically last 300-500 miles for runners or 9-12 months for daily walkers. Material durability varies; check our detailed comparison.

Which is better for flat feet?

Flat feet need stability or motion control. The neutral option is not ideal unless paired with a custom orthotic.