Minimally invasive chevron akin: locking the metatarsal-cuneiform joint

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dc.creatorGustavo Araujonunes
dc.creatorGabriel Ferraz Ferreira
dc.creatorTiago Baumfeld
dc.creatorMiguel Viana Pereira Filho
dc.creatorDaniel Soares Baumfeld
dc.creatorPeter Lam
dc.date.accessioned2023-10-09T21:47:47Z
dc.date.accessioned2025-09-08T23:28:28Z
dc.date.available2023-10-09T21:47:47Z
dc.date.issued2022
dc.format.mimetypepdf
dc.identifier.doi10.1177/19386400221079155
dc.identifier.issn19386400
dc.identifier.urihttps://hdl.handle.net/1843/59308
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofFoot & Ankle Specialist
dc.rightsAcesso Restrito
dc.subjectHallux valgus
dc.subjectJoint Instability
dc.subjectRecurrence
dc.subject.otherHallux valgu
dc.subject.otherFirst metatarsocuneiform joint
dc.subject.otherHypermobility
dc.subject.otherRecurrence
dc.subject.otherMinimally invasive hallux valgus
dc.titleMinimally invasive chevron akin: locking the metatarsal-cuneiform joint
dc.typeArtigo de periódico
local.citation.epage7
local.citation.issue5
local.citation.spage1
local.citation.volume20
local.description.resumoIntroduction. Minimally Invasive Chevron Akin (MICA) can be used to treat hallux valgus (HV) associated with a hypermobility of the first metatarsal-cuneiform joint (1MTCJ). The aim of this study was to perform a radiographic analysis of the MICA, focused to evaluating the 1MTCJ. Methods. Forty patients (50 feet) with moderate to severe HV underwent a MICA procedure. Radiographic analysis included hallux valgus angle (HVA), intermetatarsal angles between the first and second rays (IMA), the intermetatarsal angle between the proximal fragment of the osteotomy and the second ray (IAPF) and the distance between a point 3 cm distal from the base of the second metatarsal and a point located at the same height for the first metatarsal base (Dist 1-2). The IAPF was compared with the preoperative IMA, and the other parameters were compared preoperatively and postoperatively. The radiographic complications were also recorded. Results. Most patients were female (92%). The mean age was 50.4 years (SD = 16.1) and the mean follow-up was 16.1 months (SD = 3.5). The average HVA improved from 32.5° to 7.3°, and the average IMA from 14.2° to 4.2°. The IAPF and Dist1-2 values showed an increase of 4.8° and 4.0 mm respectively. There were no radiographic complications. Conclusion. Minimally invasive Chevron Akin promotes a great correction of the moderate to severe HV conventional parameters and increase the transversal stability of the 1MTCJ fixing this joint as medial as possible.
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE ANATOMIA E IMAGEM
local.publisher.departmentMED - DEPARTAMENTO DE APARELHO LOCOMOTOR
local.publisher.initialsUFMG
local.url.externahttps://journals.sagepub.com/doi/10.1177/19386400221079155

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