Hallux rigidus – Osteoarthritis of the first MTP-joint. Surgical and patient-reported results from Swefoot

Background: Swefoot is a Swedish national registry, that covers surgery in the foot and ankle. Surgical treatment of hallux rigidus (HR) vary within and between countries. The aim of this study was to report baseline variables for patients with HR. Methods: We extracted baseline characteristics, surgical procedures and patient-reported data for patients with HR entered in the registry during the period January 2014 to August 2019. Results: By August 2019, 1818 patients were reported in the registry. 68.9% of the patients were women, the average age was 58 years, the mean BMI was 26.4 kg/m². 41.9% of the patients underwent a cheilectomy,19.8% a metatarsal osteotomy, 34.3% a fusion, 0.2% an arthroplasty, 0.3% Keller's procedure and 3.5% other methods. The preoperative summary score for SEFAS (Self-reported Foot and Ankle Score) was 26 and for EQ-5D (Euroqol-5 Dimension) 0.60. Conclusion: This study is the first report from Swefoot regarding HR.