The Filament Union Sign: Prevalence and Clinical Outcomes of Incomplete Bone Remodeling Following Percutaneous Hallux Valgus Surgery
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Le résumé fourni par la source
BACKGROUND: Minimally invasive hallux valgus surgery can rarely result in a distinct radiologic finding termed the "Filament Union sign," characterized by a thin, filamentous bone bridge at the osteotomy site <25% of the metatarsal head width and associated with minimal medial, lateral, or central remodeling. This study aimed to determine its prevalence and identify potential contributing factors. METHODS: A retrospective radiographic cohort study analyzed 726 feet that underwent percutaneous fourth-generation transverse osteotomy for hallux valgus correction between November 2017 and January 2023. Primary outcome was presence of the filament union sign. Secondary outcomes included patient-reported outcome measures and radiographic deformity analysis. RESULTS: = .006). All cases in the filament union group achieved bony union, with 1 case of nonunion observed in the nonfilament group. No instances of fracture or metalwork failure were observed in the filament union group. CONCLUSION: The filament union sign is an uncommon radiographic finding following percutaneous hallux valgus surgery, occurring in 3% of cases. Although its presence was associated with statistically significant decreased functional outcomes, this difference did not meet the threshold for clinical significance and was also not associated with an increased rate of mechanical failure/fracture or revision surgery rate. Further research is needed to fully understand the mechanical and biological factors contributing to this pattern of bone healing.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- The Filament Union Sign: Prevalence and Clinical Outcomes of Incomplete Bone Remodeling Following Percutaneous Hallux Valgus Surgery
- Date Crossref
- 29/06/2025
- Éditeur
- SAGE Publications
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Arthritis Australia pays non établi dans la noticeOrganisation à but non lucratif
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Kantonsspital St. Gallen pays non établi dans la noticeÉtablissement de santé
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Southmead Hospital Avon Orthopaedic Centre pays non établi dans la noticeÉtablissement de santé
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King's College Hospital NHS Foundation Trust King’s Foot and Ankle Unit pays non établi dans la noticeÉtablissement de santé
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Orthopaedics and Arthritis Specialist Centre pays non établi dans la noticeInstitution
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Orthopaedics and Traumatology Unit pays non établi dans la noticeInstitution
Arthritis Australia, Kantonsspital St. Gallen et Avon Orthopaedic Centre — Southmead Hospital, avec 3 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.