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Categories: Abstracts, 2024, Podium

Ultrasound-guided infiltration with hyaluronic acid versus corticosteroid for the treatment of Morton’s neuroma: a randomised controlled trial

T. Lewis, G.F. Ferreira, G. Nunes, R. Ray

¹King’s College Hospital NHS Foundation Trust, Trauma and Orthopaedics, London, United Kingdom

²Prevent Senior, Trauma and Orthopaedics, Sao Paulo, Brazil 3COTE Brasilia Clinic, Foot and Ankle Unit, Brasilia, Brazil

Background: Infiltration is considered the first treatment option for symptomatic Morton’s neuroma and can be performed with various medications. The aim of this study was to compare the effects of hyaluronic acid infiltration versus corticosteroid injection in the treatment of Morton’s neuroma.

Methods: A randomised clinical trial was conducted with 46 patients (50 feet) diagnosed with Morton’s neuroma. After randomisation, the control group (CG) received three injections (one per week) of triamcinolone (Triancil®) guided by ultrasound, while the study group (SG) received three applications of hyaluronic acid (Osteonil Plus®). Patients were followed up for six months after the intervention. The primary outcome measure used was the Visual Pain Analog Scale (VAS). Secondary endpoints included patient-reported outcome measures using the American Orthopaedic Foot & Ankle Society (AOFAS) score and complications.

Results: Both groups showed significant improvement in VAS and AOFAS scores (p < 0.001). The CG showed greater improvement than the SG in the VAS (p < 0.05) and AOFAS (p < 0.001) variables. Four patients in the CG experienced skin hypochromia at the injection site, while there were no complications in the SG.

Conclusion: Ultrasound-guided hyaluronic acid infiltration in Morton’s Neuroma proved to be safe, showing improvement in pain and function after six months of follow-up, without major complications, but with a significantly lower improvement when compared to corticosteroid injection. Taking into account cost implications and the potential for longer lasting improvement from viscosupplementation further medium- and long-term studies are needed.

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Tags: Biologics Forefoot

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FP12-LEWIS-Tom-Lewis(.pdf, 544.17 KB) - 261 download(s)

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