Midfoot Fusion for Arthritis: When the Tarsometatarsal Joints Need to Be Fused

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

Understanding the Midfoot and Why Fusion Is Needed

The tarsometatarsal (TMT) joint complex—also called the Lisfranc joint—connects the midfoot (cuneiform and cuboid bones) to the metatarsal bases. These joints provide essential stability for the transverse and longitudinal arches and bear tremendous force during the push-off phase of walking. Unlike the ankle or big toe joint, the TMT joints have minimal normal motion, making them ideal candidates for fusion when arthritis develops.

Post-traumatic arthritis following Lisfranc injuries is the most common indication for midfoot fusion. Even properly treated Lisfranc fracture-dislocations develop symptomatic arthritis in 25-50% of cases within 2-5 years. Primary osteoarthritis, inflammatory arthritis, and progressive flatfoot deformity with midfoot collapse are additional indications.

A 2024 Foot & Ankle International systematic review demonstrated that TMT arthrodesis produces 85-90% patient satisfaction rates and significant improvement in pain scores and functional outcomes at minimum 2-year follow-up, confirming it as the gold standard for end-stage midfoot arthritis.

Who Is a Candidate for Midfoot Fusion?

Surgery is recommended when midfoot arthritis causes persistent pain during weight-bearing activities that hasn’t responded to at least 6 months of conservative treatment including custom orthotics with rigid arch support, activity modification, anti-inflammatory medications, and corticosteroid injections. Weight-bearing CT scans or X-rays showing significant joint space narrowing, osteophyte formation, and deformity confirm the diagnosis.

Patients with Lisfranc injury malunion or nonunion who develop progressive midfoot collapse and abduction deformity benefit from fusion with simultaneous deformity correction. The procedure can address one, two, or all five TMT joints depending on the extent of arthritis and deformity.

Dr. Biernacki evaluates each patient with weight-bearing radiographs, CT imaging, and diagnostic injections to confirm the affected joints and plan the optimal fusion construct. Patients with diabetes, smoking history, or osteoporosis require additional workup to optimize bone healing potential before surgery.

Surgical Technique and Fixation Methods

Midfoot fusion involves removing the damaged cartilage from the affected TMT joint surfaces, correcting any malalignment, and rigidly fixating the bones with hardware to allow bony union (fusion). Joint surfaces are prepared using a combination of osteotomes, curettes, and drilling to expose bleeding cancellous bone that promotes healing.

Modern fixation options include solid cortical screws, locking plates, staples, and nitinol compression implants. Dr. Biernacki selects fixation based on bone quality, number of joints fused, and deformity severity. Locking plate constructs provide superior stability in osteoporotic bone, while compression screws offer excellent fixation for single-joint fusions with good bone quality.

When midfoot collapse or abduction deformity is present, structural bone grafting may be incorporated to restore arch height and correct alignment. Autograft from the calcaneus or allograft wedges provide the structural support needed to maintain correction during healing.

Recovery Timeline After Midfoot Fusion

Weeks 1-2 involve strict non-weight-bearing in a posterior splint with leg elevation and ice therapy. The surgical site is kept clean and dry. Sutures or staples are removed at the 2-week follow-up visit. Pain management includes prescribed medications with transition to over-the-counter options as pain decreases.

Weeks 3-8 continue non-weight-bearing in a removable CAM boot. Radiographs at 6 weeks assess early bone healing. Upper body and core exercises maintain cardiovascular fitness. Knee scooters and hands-free crutches make non-weight-bearing mobility more manageable during this phase.

Weeks 9-14 transition to progressive weight-bearing in the CAM boot as radiographs confirm adequate fusion. Physical therapy begins with gait retraining, ankle mobility, and calf strengthening. Most patients transition to supportive shoes with custom orthotics by week 12-14.

Months 4-6 involve progressive return to full activity with ongoing physical therapy. Custom orthotics with rigid arch support are recommended long-term to protect the fusion construct and support adjacent joints. Full recovery for physically demanding activities takes 5-6 months.

Risks and How We Minimize Complications

Nonunion (failure of bones to fuse) occurs in 5-10% of TMT fusions and is the primary concern. Risk factors include smoking, diabetes, inadequate fixation, premature weight-bearing, and vitamin D deficiency. Dr. Biernacki optimizes these factors preoperatively—smoking cessation is strongly encouraged, HbA1c should be below 8%, and vitamin D levels are checked and supplemented if low.

Hardware irritation occurs in approximately 15-20% of patients due to the minimal soft tissue coverage over the dorsal midfoot. Symptomatic hardware is removed after confirmed fusion, typically at 12-18 months. Low-profile locking plates and countersunk screw heads reduce this risk.

Adjacent joint arthritis may develop in joints next to the fusion over time due to altered biomechanics. Custom orthotics and activity modification help protect adjacent joints. Overall, the risk of adjacent joint problems is lower in midfoot fusion than in other foot fusions because the TMT joints have minimal natural motion.

Midfoot Fusion vs. Other Treatment Options

Conservative management with rigid-soled shoes, custom orthotics with carbon fiber plates, corticosteroid injections, and activity modification is always tried first. These measures manage symptoms effectively in many patients, particularly those with mild-to-moderate arthritis and minimal deformity.

Joint debridement (cleaning out bone spurs and inflamed tissue) without fusion provides temporary relief but has high recurrence rates because the underlying cartilage damage remains. Cheilectomy (spur removal) is most useful when dorsal osteophytes are the primary pain source rather than diffuse joint arthritis.

For patients who are poor surgical candidates due to medical comorbidities, rocker-bottom shoe modifications and Arizona-style ankle braces provide external stability that compensates for the arthritic midfoot. These bracing solutions don’t eliminate pain but significantly improve function and walking tolerance.

The Most Common Mistake We See

The most common mistake is delaying evaluation of post-traumatic midfoot pain. Patients who sustained a Lisfranc injury often expect residual discomfort, but progressive pain and arch collapse indicate developing arthritis that benefits from early intervention. Custom orthotics and bracing can slow progression, while timely surgical fusion before severe deformity develops produces better outcomes with simpler reconstruction.

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In-Office Treatment at Balance Foot & Ankle

Our team provides sport-specific evaluation and treatment to get you back to your activity safely. We offer same-day X-ray, in-office ultrasound, and custom orthotic fabrication.

Same-day appointments available. Call (810) 206-1402 or book online.

Frequently Asked Questions

How long does midfoot fusion surgery take?

Midfoot fusion takes 1.5-3 hours depending on the number of joints fused and whether deformity correction is needed. Single-joint fusions are shorter, while multi-joint reconstructions with bone grafting take longer. Surgery is performed under general or regional anesthesia as an outpatient procedure.

Will I walk normally after midfoot fusion?

Yes. Because the TMT joints have minimal normal motion, fusing them has little impact on walking mechanics. Most patients walk with a normal gait pattern after full recovery. Custom orthotics optimize foot function and protect the fusion long-term.

How long before I can drive after midfoot fusion?

Patients undergoing left foot fusion can drive an automatic transmission vehicle once comfortable and off narcotic pain medications, typically at 2-3 weeks. Right foot fusion patients must wait until cleared for full weight-bearing in a shoe, usually at 10-14 weeks.

What is the success rate of midfoot fusion?

TMT arthrodesis has a 90-95% fusion rate with modern fixation techniques. Patient satisfaction rates of 85-90% are consistently reported in the literature. Non-smoking patients with well-controlled diabetes have the best outcomes.

The Bottom Line

Midfoot fusion surgery is a reliable solution for end-stage tarsometatarsal arthritis that hasn’t responded to conservative treatment. Modern fixation techniques produce 90-95% fusion rates with excellent pain relief and functional outcomes. Because the midfoot joints have minimal natural motion, fusion restores stable weight-bearing without significantly altering walking mechanics.

Sources

1. Foot & Ankle International 2024 — Systematic review of tarsometatarsal arthrodesis outcomes
2. Journal of Bone and Joint Surgery 2025 — Modern fixation strategies for midfoot fusion
3. Clinical Orthopaedics and Related Research 2024 — Post-traumatic Lisfranc arthritis management

Midfoot Fusion Surgery at Balance Foot & Ankle

Midfoot arthritis causing chronic pain and difficulty walking may benefit from tarsometatarsal fusion. Dr. Tom Biernacki performs midfoot fusion procedures to eliminate arthritic pain while maintaining functional foot mechanics.

Learn About Foot Surgery Options → | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Sangeorzan BJ, et al. “Displaced intra-articular fractures of the tarsal navicular.” J Bone Joint Surg Am. 1989;71(10):1504-1510.
2. Jung HG, et al. “Results of first tarsometatarsal joint arthrodesis.” Foot Ankle Int. 2009;30(8):722-726.
3. Komenda GA, et al. “Results of arthrodesis of the tarsometatarsal joints after traumatic injury.” J Bone Joint Surg Am. 1996;78(11):1665-1676.