Principles of Revision Total Ankle Arthroplasty

Area of Science:

• Orthopedic Surgery
• Biomedical Engineering
• Reconstructive Surgery

Background:

• Total ankle arthroplasty (TAA) is a recognized treatment for end-stage ankle arthritis.
• Despite advancements, long-term implant survivorship and failure data for TAA are limited.
• Expanding indications for TAA, including complex deformities, may increase revision surgery rates.

Purpose of the Study:

• To highlight the need for better understanding of long-term total ankle arthroplasty survivorship.
• To emphasize the deficiency in published data on TAA failure rates and causes.
• To underscore the importance of revision surgery principles for managing TAA failures.

Main Methods:

• Literature review on total ankle arthroplasty outcomes and revision strategies.
• Analysis of current trends in TAA indications and potential failure modes.
• Synthesis of principles for managing failed total ankle arthroplasties.

Main Results:

• Long-term survivorship data for total ankle arthroplasty remains ill-defined.
• There is a notable lack of published data on the specific causes of TAA implant failures.
• The incidence of revision surgeries is expected to rise with broader TAA indications.

Conclusions:

• Surgeons must be familiar with total joint revision principles to manage TAA failures effectively.
• Successful management of TAA failures can help avoid amputation or conversion to ankle fusion.
• Further research is needed to define long-term TAA outcomes and failure mechanisms.