ArticleFoot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons2022
The use of three-dimensional biometric Foot and Ankle Offset to predict additional realignment procedures in total ankle replacement.
Article in Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 19 citations in OpenAlex.
- The Battleship technique: A reliable method to quantify intraarticular distance maps patterns and correlate hindfoot alignment.Journal of experimental orthopaedics · 2025Article
- An evaluation of the total ankle replacement in the modern era: a narrative review.Annals of translational medicine · 2024Review
- Weight-Bearing CT for Diseases around the Ankle Joint.Diagnostics (Basel, Switzerland) · 2024Review
- Reliability of Cone Beam Weightbearing Computed Tomography Analysis of Total Ankle Arthroplasty Positioning and Comparison to Weightbearing X-Ray Measurements.Foot & ankle international · 2023Article
- Development and validation of a clinical tool to semi-automatic measure three-dimensional TAR alignment on two-dimensional radiographs.Journal of foot and ankle research · 2023Article
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8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDecision to perform associated corrective alignment procedures in patients undergoing total ankle replacement (TAR) is commonly made intraoperatively. The Foot and Ankle Offset (FAO) can evaluate multiplanar deformity and be an effective instrument in surgical planning. This study objective was to assess the ability of this tool to predict the need for additional realignment procedures at the time of TAR.
methodsIn this retrospective study, we enrolled 21 patients who underwent TAR and had preoperative WBCT studies. Two independent and blinded observers calculated the preoperative FAO using dedicated software. FAO measurements were compared between the different alignment groups (physiological alignment, valgus and varus). A multivariate regression analysis was used to assess the correlation between performed realignment procedures and FAO values.
resultsMean preoperative FAO was 4.4% (95%CI = 1.4-7.5). The number of osseous realignment procedures needed was found to correlate positively and significantly with FAO (p = .001). The number of osseus procedures needed was significantly higher in patients with valgus malalignment (p = .009). Patients with valgus malalignment needing a medial column procedure had a relative risk of 6.3 when compared to varus malalignment patients (p = .02).
conclusionThe number of additional bony realignment procedures performed at the time of TAR significantly correlated with preoperative FAO and that the number of osseus procedures needed was significantly higher in patients with valgus malalignment. Such biometric tools may enhance the preoperative assessment and surgical planning for patients undergoing TAR, with the potential to optimize surgical outcomes.
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