How does Cartiva interpositional arthroplasty compare to arthrodesis in the treatment of hallux rigidus? A retrospective comparative study with 12 month follow up S. Trowbridge, T. Lewis, R. Shehata, B. Lau, S. Lyle, R. Ray 25 May 2022 1King's College Hospital NHS Foundation Trust, King's Foot and Ankle Unit, London, United Kingdom