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General Orthopaedics

OUTCOME OF SINGLE-STAGE ANKLE AND HINDFOOT DEFORMITY CORRECTION AND FUSION IN CHARCOT ARTHROPATHY

The Indian Orthopaedic Society (UK) (IOSUK)



Abstract

We reported the outcomes of patients with Charcot neuropathy who underwent hind foot deformity correction using retrograde intramedullary nail arthrodesis. Twenty one feet in 20 patients, aged 45 to 83 years, with a mean BMI of 32.7 and a median ASA score of 3, were included in this study.

All patients presented with severe hindfoot deformities and 15 had recurrent ulceration. All patients were treated with hindfoot corrective fusion and seven patients also underwent simultaneous mid foot fusion using a bolt or locking plate. After a mean follow up of 26 months, none of the cases required any form of amputation. Eighty percent of patients with ulceration achieved healing and all but one patient returned to independent ambulation. One nail fracture and three mid foot metal work failure resulted in fixation failure requiring revision surgery. Distal locking screw displacement occurred only with standard screws but not with hydroxyapatite-coated screws. The AAOS-FAO score improved from 50.7 to 65.2 (p=0.015). The EQ-5D-5L improved from 0.63 to 0.67 (p=0.012) and the SF-36 PCS from 25.2 to 29.8 (p=0.003). Single stage deformity correction with intramedullary hindfoot arthrodesis nail is a viable treatment option for severe Charcot hindfoot deformity with ulceration and instability.