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Related Concept Videos

Ankle Joint01:10

Ankle Joint

3.2K
The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Related Experiment Video

Updated: Feb 28, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
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Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

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Total Talar Prosthesis Replacement after Talar Extrusion.

Sébastien Ruatti1, Clémentine Corbet2, Mehdi Boudissa3

  • 1Orthopaedic Surgeon, Department of Orthopaedic and Traumatologic Surgery, Michallon Hospital, Grenoble University Hospital, Grenoble, France.

The Journal of Foot and Ankle Surgery : Official Publication of the American College of Foot and Ankle Surgeons
|June 22, 2017
PubMed
Summary

Total talar dislocation is rare. A custom total talar prosthesis provided encouraging 2-year results for foot function and health, offering an alternative to tibiotalar arthrodesis.

Keywords:
arthroplastyextrusionreplacementtalar

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Biomaterials Engineering

Background:

  • Total talar dislocation is an extremely rare and severe injury.
  • Standard management involves talar replacement, but avascular necrosis risk is high, often leading to tibiotalar arthrodesis.

Purpose of the Study:

  • To present a case of total talar dislocation treated with a custom total talar prosthesis.
  • To evaluate the preliminary efficacy of this novel treatment approach.

Main Methods:

  • A custom total talar prosthesis was designed and implanted, affixed directly to the tibial cartilage.
  • The patient underwent a 2-year follow-up evaluation.

Main Results:

  • The patient demonstrated well-functioning activity at the 2-year follow-up.
  • Significant improvements were observed in the American Orthopaedic Foot and Ankle Society (AOFAS) foot function score (11 to 77) and the Short-Form 36-item Health Survey (SF-36) score (17 to 82).

Conclusions:

  • A custom total talar prosthesis may offer a viable alternative to tibiotalar arthrodesis for total talar dislocation.
  • Preliminary 2-year outcomes are encouraging, but longer-term follow-up is required to assess durability and long-term trends.