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Ankle Joint

Ankle Joint

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

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Total Talus Replacements.

Toby Jennison¹, James Dalgleish², Ian Sharpe¹

¹Royal Devon and Exeter NHS Foundation Trust, Exeter, United Kingdom.

Foot & Ankle Orthopaedics

|February 6, 2023

Summary

This summary is machine-generated.

Total talus replacements offer a promising surgical option for avascular necrosis (AVN) of the talus. While showing potential for improved functional outcomes, further research is needed for widespread adoption.

Keywords:

osteonecrosis talus avascular necrosis tibiotalocalcaneal total talus replacement

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Area of Science:

Orthopedic surgery
Biomaterials science
3D printing in medicine

Background:

Avascular necrosis (AVN) of the talus can necessitate total talus replacement.
Patient-specific implants, utilizing 3D printing, enhance the potential of total talus replacements.
This review synthesizes current literature on total talus replacements.

Purpose of the Study:

To provide a comprehensive review of total talus replacements.
To summarize historical data, indications, and controversies.
To analyze complications, survival rates, and functional outcomes.

Main Methods:

A systematic review of relevant literature was conducted.
Studies reporting survival data for total talus replacements were included.
A critical review and analysis of basic percentages were performed.

Main Results:

Nine articles involving 115 patients were analyzed.
Avascular necrosis was the primary indication in 58% of cases.
Complications ranged from 0% to 33%, with 66.7% of functional outcome scores showing significant improvement.

Conclusions:

Total talus replacement is a potential alternative to tibiotalocalcaneal fusion for talar AVN.
Further studies are essential to validate outcomes before widespread clinical use.
The technology shows promise but requires additional investigation for reliable results.