Resumo

BEREBICHEZ-FRIDMAN, R; AVILA-SALGADO, A  e  HERMIDA-GALINDO, LF. Interposition hemiarthroplasty using extensor hallucis brevis for the treatment of hallux rigidus with lateral unicompartmental involvement: a case report. Acta ortop. mex [online]. 2022, vol.36, n.5, pp.318-323.  Epub 15-Jan-2024. ISSN 2306-4102.  https://doi.org/10.35366/111167.

Hallux rigidus is the degenerative pathology of the metatarsophalangeal joint of the hallux. This pathology causes pain and decreased movement. There are multiple surgical treatments for this pathology, all with their respective indications. We present the case of a 54-year-old patient diagnosed with hallux rigidus who had only the lateral aspect of the metatarsal head affected. This patient was treated with a novel surgical procedure, performing an interposition hemiarthroplasty using the hallucis brevis extender associated with a cheilectomy and exostectomy. The patient had a favorable clinical evolution with improvement evidenced by clinical scales, with resolution of the symptoms and without complications. Interposition hemiarthroplasty using the extensor hallucis brevis is a successful joint and movement preservation treatment for hallux rigidus in young patients with lateral unicompartmental involvement of the metatarsal head, in whom it is important to preserve movement.

Palavras-chave : hallux rigidus; hemiarthroplasty; interposition; extensor hallucis brevis; arthrosis.

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