Abstract
Purpose
Management of bone loss around the ankle is a challenging condition. This retrospective study describes the design process, the surgical technique, and the preliminary results of custom-made total ankle arthroplasties (TAA) with patient-specific instrumentation (PSI) for different severe bone loss conditions.
Methods
Consecutive patients that underwent custom-made TAA for severe bone loss conditions were included. The primary outcome was to describe the implant design in relation to the bone defect. Moreover, pre-operative and final follow-up clinical scores were compared.
Results
Seven patients were included. Post-operative radiographs showed good correspondence between the pre-operative planning and the prosthesis alignment in all patients. Improvement in clinical scores was observed in all patients at the final follow-up. One patient developed a deep infection.
Conclusion
Short-term results reported herein are encouraging suggesting that custom-made TAA implants with PSI may represent an effective solution for ankle bone loss conditions.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by LL, AA, SB, and SOZ. The first draft of the manuscript was written by AM and EA, and all authors commented on previous versions of the manuscript. Conception and supervision were executed by CF. All authors read and approved the final manuscript.
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This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of the University of Bologna (04/01/22-N° 0000084).
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Faldini, C., Mazzotti, A., Langone, L. et al. Custom-made total ankle arthroplasty with patient-specific instrumentation for severe bone loss conditions: a case series. Eur J Orthop Surg Traumatol 34, 379–387 (2024). https://doi.org/10.1007/s00590-023-03658-z
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DOI: https://doi.org/10.1007/s00590-023-03658-z