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Exploring Revision Total Ankle Arthroplasty Failures: A Comparison Between Failed and Successful Revision Cases
Kevin A Wu1, Albert T Anastasio1, James K DeOrio1
1Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, North Carolina.
Foot & Ankle Specialist
|September 21, 2024
Summary
Revision total ankle arthroplasty (TAA) failure occurred in 13.8% of patients, with higher rates of comorbidities like smoking and diabetes. Limb salvage was successful in most cases, with revision arthroplasty being a viable option.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Revision total ankle arthroplasty (TAA) is a complex procedure with varying success rates.
- Understanding factors associated with revision TAA failure is crucial for improving patient outcomes.
Purpose of the Study:
- To assess comorbidities associated with failed revision TAA.
- To explore outcomes following failed revision TAA.
Main Methods:
- Retrospective analysis of patients undergoing revision TAA between 2008 and 2022.
- Failure defined by explantation, below-knee amputation (BKA), or metal component revision.
- Statistical analysis to identify significant differences and outcomes.
Main Results:
- The revision TAA failure rate was 13.8% (12 out of 87 patients).
- Higher rates of former smokers (58.3%) and diabetes (33.3%) were observed in the failure cohort, though not statistically significant.
- Limb salvage was achieved in 91.7% of cases, with arthrodesis, further revision arthroplasty, or amputation as treatment approaches.
Conclusions:
- Revision TAA failure is associated with certain comorbidities, though not always statistically significant.
- A second revision arthroplasty is a viable and successful option for many patients, aligning with patient preferences.
- Effective limb salvage strategies exist for failed revision TAA cases.
