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Updated: Jul 6, 2026
09:01
Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
Published on: January 24, 2018
["Basketball Foot"--long-time prognosis after peritalar dislocation]
L C Simon1, A P Schulz, M Faschingbauer
1BG Unfallkrankenhaus Hamburg, Unfall- und Wiederherstellungschirurgie, Bergedorfer Strasse 10, Hamburg. l.simon@buk-hamburg.de
Summary
Isolated subtalar dislocations show a better long-term prognosis than those with associated fractures. This study highlights the importance of injury pattern in subtalar dislocation outcomes.
Area of Science:
- Orthopedic Surgery
- Traumatology
- Biomechanics
Background:
- Subtalar dislocation is a rare but severe injury.
- Limited data exists on long-term functional outcomes due to small patient cohorts.
- Associated injuries are common and may impact prognosis.
Purpose of the Study:
- To investigate the long-term functional outcome of subtalar dislocations.
- To compare outcomes between isolated subtalar luxations and those with associated fractures.
- To determine the prognostic factors influencing recovery.
Main Methods:
- Retrospective analysis of 22 subtalar dislocation cases.
- Comparison of 12 isolated luxations versus 10 luxations with associated fractures.
- Functional assessment using the Kitaoka-hind-foot-Score (AOFAS) and dynamic plantar pressure measurement.
- Exclusion of 19 complex, open, high-energy trauma cases.
Main Results:
- Isolated subtalar luxations demonstrated significantly better long-term outcomes (mean AOFAS score 89) compared to those with associated fractures (mean AOFAS score 74).
- Nearly 50% of isolated luxations achieved excellent outcomes.
- Gait analysis revealed lower plantar pressures and longer weight-bearing phases in the isolated group.
Conclusions:
- Isolated subtalar dislocations have a favorable long-term prognosis.
- Associated fractures negatively impact functional outcomes and gait patterns.
- Injury pattern is a critical determinant of subtalar dislocation prognosis.
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