Factors influencing medial sesamoid arthritis in patients with hallux valgus deformity: Magnetic resonance imaging evaluation |
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| Affiliation: | 1. Department of Orthopedic Surgery, Inje University, Ilsan Paik Hospital, Goyang-si, Gyeonggi-do, South Korea;2. W Institute for Foot and Ankle Disease and Trauma, W Hospital, Daegu, South Korea;3. Department of Radiology, W Hospital, Daegu, South Korea;1. Department of Orthopedics, Hospital da Senhora da Oliveira, Guimarães, Portugal;2. Department of Orthopedics, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal;3. Department of Orthopedics, Hospital de San Juan de Dios, Guatemala City, Guatemala;4. Human Anatomy and Embryology Unit, School of Medicine, University of Barcelona, Spain;5. Department of Orthopedics, Clinica Del Remei, Department of Anatomy and Human Embryology, Faculty of Medicine, University of Barcelona, Barcelona, Spain;1. Orthopedics and Traumatology Unit, Giannina Gaslini Children’s Hospital, Genova, Italy;2. Clinical Orthopedics, Department of Clinical and Molecular Science, School of Medicine, Università Politecnica delle Marche, Ancona, Italy;3. Epidemiology, Biostatistics and Committees Unit, Giannina Gaslini Children’s Hospital, Genova, Italy;1. Orthopedic Department of the Hannover Medical School at Diakovere Annastift, Anna-von-Borries-Strasse 1-7, 30625 Hannover Germany;2. OTC Regensburg, Paracelcusstraße 2, 93053, Regensburg, Germany;3. Orthopedic Department, Spital Uster, Brunnenstrasse 42, 8610 Uster, Switzerland;4. Institute of Anatomy, University of Basel, Anna-von-Borries-Straße 1-7, 30625 Hannover, Switzerland;1. Ain Shams University, 102 Marghany Street, Heliopolis, Cairo, Egypt;2. Ain Shams University, 25 El Khalifa El Mammon Street, Heliopolis, Cairo, Egypt;3. Ain Shams University, Egypt |
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| Abstract: | BackgroundThe importance of preoperative evaluation of the position and degree of arthritic changes of the medial sesamoid bone before hallux valgus correction is emerging. This is an observational study to evaluate the magnetic resonance imaging (MRI) findings of hallux valgus deformity, and assess the severity of and identify the factors that influence the arthritic changes in medial sesamoid-metatarsal (mSM) joints.MethodsWe reviewed weight-bearing anteroposterior radiographs, forefoot axial radiographs and MR images of 514 feet of 405 patients who underwent hallux valgus correction. On MRI, the degrees of the arthritic changes in the first metatarsophalangeal (MTP) and mSM joints were categorized into 5 classes. Binary logistic regression analysis was performed to identify the factors affecting the arthritic changes.ResultsThe binary logistic regression analysis showed that advanced age, more lateralized position of medial sesamoid bone on forefoot axial radiograph, and higher MRI grade of arthritic change of the 1st MTP joint were significant factors contributing to medial sesamoid arthritis (P < 0.001, 0.001. 0.006, respectively).ConclusionsMedial sesamoid arthritis can be assessed using MRI. The position of medial sesamoid bone on forefoot axial radiographs can strongly help predict the possibility of mSM joint arthritis.Level of evidence: III, observational study. |
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| Keywords: | Arthritis Hallux valgus Medial sesamoid bone Magnetic resonance imaging |
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