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Updated: Jul 6, 2026

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An Anatomical Study of Nerves at Risk During Minimally Invasive Hallux Valgus Surgery
Published on: February 17, 2018
Post-surgical hallux varus. A case report
Giovanni Andrea Ruiu1, Paolo Sanna
1U.O. di Ortopedia e Traumatologia, Ospedale "S. Martino", Via Rockefeller, Oristano, Italy. ruan.ort@tiscali.it
La Chirurgia Degli Organi Di Movimento
|March 6, 2008
Summary
Hallux varus can occur after hallux valgus surgery due to muscle imbalance. A novel surgical technique using a split extensor hallucis longus transfer effectively corrects this complication.
Area of Science:
- Orthopedic Surgery
- Foot and Ankle Surgery
Background:
- Hallux valgus is a common foot deformity.
- Hallux varus can be an iatrogenic complication following hallux valgus surgery.
- This complication significantly impacts patient quality of life.
Observation:
- A clinical case of hallux varus following hallux valgus treatment is presented.
- The condition results from an imbalance in the musculo-ligamentous structures of the first metatarsophalangeal joint.
- Existing surgical corrections involve bone and soft tissue procedures.
Findings:
- A novel surgical technique utilizing a split extensor hallucis longus transfer is described.
- The tendon is routed under the deep transverse intermetatarsal ligament as a pulley.
- It is then passed through a bone tunnel at the proximal-lateral base of the proximal phalanx and sutured medially.
Implications:
- This technique offers a potential solution for correcting iatrogenic hallux varus.
- Successful tendon transfer can restore first metatarsophalangeal joint balance.
- Further studies are needed to evaluate the long-term efficacy and patient outcomes.