Abstract
The Quantum total ankle prosthesis is a newer Food and Drug Administration (FDA)-approved fourth-generation 2-component, fixed-bearing implant in its first-generation design. The purpose of this study was to evaluate early outcome data and present our initial experience with the Quantum implant with a minimum of a 1-year follow-up. A retrospective, single-centered chart and radiographic review was performed on all patients who underwent total ankle arthroplasty with the Quantum implant from December 2021 to August 2023. Implant survivorship, radiographic outcomes, clinical outcomes, and complications were evaluated. The survivorship for the implant was 100% for the tibial component and 91.67% for the talar component, respectively. Pre-operatively, there were 3 ankles with a coronal deformity greater than 10 degrees. Post-operatively, coronal plane deformity was 100% corrected into neutral alignment. This study is the first to report on short-term outcomes for the Quantum total ankle prosthesis. Our findings showed promising results of short-term implant survivorship with good clinical and radiographic outcomes.
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