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A PROSPECTIVE STUDY OF PATIENTS UNDERGOING DORSAL CHEILECTOMY AND SESAMOID RELEASE FOR HALLUX RIGIDUS OF THE GREAT TOE METATARSAL PHALANGEAL JOINT



Abstract

The main surgical options for hallux rigidus include dorsal cheilectomy, arthroplasty and fusion. Compared to other surgical procedures dorsal cheilectomy involves relatively less bone loss, maintains joint motion and still leaves the potential for a further salvage procedure such as arthrodesis. The Manchester – Oxford Foot and Ankle Questionnaire (MOXFQ) has been endorsed by the British Foot and Ankle Society and recommended as a tool to measure surgical outcome.

The aim of this study was to prospectively follow-up patients following dorsal cheilectomy for hallux rigidus using the patient-reported outcome measure, the MOXFQ. Patients were deemed suitable for dorsal cheilectomy if they had symptoms of dorsal impingement (painful restriction of terminal dorsiflexion of the hallux), with absence of pain in the mid-range of passive movement (indicative of end stage arthritis), and dorsal osteophytes on radiographs.

Twenty five patients with a mean age of 62 years (range: 39 – 80 years) and comprising 17 females underwent dorsal cheilectomy for hallux rigidus. At a mean follow-up of 17 months (range 9–27 months), the mean MOXFQ score improved from 33/64 (95% CI: 27 – 38) pre-operatively to 9/64 (95% CI: 6 – 13) post-operatively. Eighty-four percent of patients had a clinically significant improvement in their walking domain, 68% in the social domain, and 59% in the pain domain of the MOXFQ. Four patients were deemed failures: three patients underwent subsequent arthrodesis for persisting pain, and one patient had no improvement in any domain of the MOXFQ.

In conclusion, this study has provided further evidence of the success of dorsal cheilectomy as a reliable treatment option for hallux rigidus. It has also demonstrated the sensitivity of the patient focused reporting instrument the MOXFQ in assessing surgical outcomes in foot surgery.

Correspondence should be addressed to Editorial Secretary Mr ML Costa or Assistant Editorial Secretary Mr B.J. Ollivere at BOA, 35–43 Lincoln’s Inn Fields, London WC2A 3PE, England; Email: mattcosta@hotmail.com or ben@ollivere.co.uk