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- Title
Is there a tolerance for extension of the first metatarsal after the Lapidus procedure? A clinical, functional, and hindfoot radiographic analysis.
- Authors
Nishikawa, Danilo Ryuko Cândido; Duarte, Fernando Aires; Saito, Guilherme Honda; da Silva, Daniel Araújo; Mann, Tânia Szejnfeld; de Miranda, Bruno Rodrigues; Mendes, Alberto Abussamra Moreira; Prado, Marcelo Pires
- Abstract
Purpose: Based on the tripod concept of load distribution, our study aimed to evaluate whether a slight extension of first metatarsal (M1) that may occur after the Lapidus procedure (LP) could alter the radiographic measurements of the hindfoot and influence clinical and functional outcomes. Methods: Twenty-five patients (27 feet) were reviewed. Hindfoot radiographic analysis was based on seven measurements. Clinical and functional outcomes were evaluated with self-reported questionnaires. Transfer metatarsalgia was also assessed. Correlation analysis was performed according to variations of the studied variables. Results: The average extension of the M1 was 4.26 degrees (p < 0.001). None of the hindfoot radiographic measurements changed significantly (p = 0.13, p = 0.50, p = 0.19, p = 0.70, p = 0.11, p = 0.36, p = 0.83). Patients improved on most questionnaires (p < 0.001). None presented transfer metatarsalgia. No correlation between M1 extension and clinical and functional outcomes was found. Conclusion: Possibly there is a tolerance of M1 extension in which it does not alter the radiographic measurements of the hindfoot, overload the lesser metatarsals, or compromise clinical and functional outcomes.
- Subjects
METATARSALGIA; TREATMENT effectiveness; FUNCTIONAL status; HALLUX valgus; STATISTICAL correlation
- Publication
International Orthopaedics, 2024, Vol 48, Issue 1, p103
- ISSN
0341-2695
- Publication type
Article
- DOI
10.1007/s00264-023-05932-5