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Clinical Use of Talar Prostheses
Andrea S Dimitrov1,2, Lindsey Westover3, Nadr M Jomha2
1School of Medicine, College of Medicine, Nursing & Health Sciences, National University of Ireland Galway, Galway, Ireland.
JBJS Reviews
|June 8, 2021
Summary
Talar bone replacement offers a solution for osteonecrosis, preserving ankle function. Long-term studies are needed to compare custom and universal total talar prostheses for effectiveness.
Area of Science:
- Orthopedic surgery
- Biomaterials science
Background:
- The talus bone's delicate blood supply makes it prone to osteonecrosis, a condition with limited treatment options.
- Talar bone replacement emerges as a viable surgical intervention to restore ankle function and preserve limb length.
Purpose of the Study:
- To review the history and current state of talar bone replacement techniques.
- To highlight the need for long-term outcome data on different types of talar prostheses.
Main Methods:
- Review of existing literature on talar prostheses.
- Analysis of variations in talar prosthesis design, fixation, materials, and manufacturing.
Main Results:
- Talar prostheses have been successfully implanted for over 35 years.
- Designs vary from custom partial or total prostheses to universal prefabricated options.
- Total talar prostheses generally show better functional outcomes than partial ones.
Conclusions:
- Talar replacement is an established procedure for talar osteonecrosis.
- Further long-term research is essential to evaluate the efficacy of custom-made total talar prostheses versus universal prefabricated talar prostheses.
