R Geleit, G Nunes, P Lam, R Ray, G F Ferreira, T L Lewis
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A systematic review of biomechanical studies utilising finite element analysis in hallux valgus deformity.
Background: Hallux valgus (HV) is a common foot deformity affecting around 19 % of adults. Finite element analysis (FEA) is a valuable computational tool for investigating the complex biomechanics of foot deformities. This systematic review evaluates FEA studies investigating HV biomechanics, surgical correction techniques and fixation methods.
Methods: Medline, EMBASE, PubMed, and Cochrane Library databases were searched from inception to 2025. Included studies employed FEA to investigate HV biomechanics, with or without surgical intervention. An adaption of the ROBFEAD tool was used to assess bias.
Results: 19 studies met inclusion criteria (12 surgical, 7 biomechanical). All studies demonstrated moderate to high risk of bias. Biomechanical analyses revealed increased lateral metatarsal loading (40-55 % higher stress) and medial shift of peak pressures at the MTPJ. Surgical technique analyses demonstrated metatarsal shortening up to 6 mm could be accommodated before significantly altering foot loading patterns. Fixation studies showed superiority of dual fixation methods in minimally invasive surgery.
Conclusions: FEA provides valuable insights into HV biomechanics and surgical optimization. The data supports dual fixation approaches, precise osteotomy parameters, and caution regarding post-operative protocols.
期刊介绍：
Foot and Ankle Surgery is essential reading for everyone interested in the foot and ankle and its disorders. The approach is broad and includes all aspects of the subject from basic science to clinical management. Problems of both children and adults are included, as is trauma and chronic disease. Foot and Ankle Surgery is the official journal of European Foot and Ankle Society.
The aims of this journal are to promote the art and science of ankle and foot surgery, to publish peer-reviewed research articles, to provide regular reviews by acknowledged experts on common problems, and to provide a forum for discussion with letters to the Editors. Reviews of books are also published. Papers are invited for possible publication in Foot and Ankle Surgery on the understanding that the material has not been published elsewhere or accepted for publication in another journal and does not infringe prior copyright.
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