As stated in the abstract of the article: "implant arthroplasty has been a surgical alternative for correction of hallux rigidus for many decades.A study is presented reviewing the authors' experience using the (tornier/futura) primus double-stemmed silicone implant.A total of 144 patients representing 201 implants were identified and invited to participate in the study.The postoperative period ranged from 32 to 108 months, with an average of 66.4 months.Chart review was performed on all cases.This review revealed that there were 2 implants that had been removed, each for reasons other than implant breakdown.Several indications in addition to hallux rigidus were found, including hallux valgus with arthritis, geriatric bunion, rheumatoid arthritis, and iatrogenic and traumatic arthritis.The outcomes are presented for all patients, with additional breakdown by their indication for surgery.In all, 54 patients involving 70 implants responded and were clinically evaluated.This study included a visual analogue scale, foot and ankle (vas fa) patient outcome and satisfaction questionnaire, clinical examination, and x-ray evaluation.Patients with hallux rigidus had an average postoperative american orthopaedic foot and ankle society (aofas) score of 88.2, and those with hallux valgus with arthritis had an average score of 88.6.The average aofas score for all patients was 87.4.The average vas patient satisfaction for all patients was 8.5 (with 10 being highest satisfaction).Implant arthroplasty continues to be a viable alternative for surgical correction of hallux rigidus as well as other degenerative conditions of the first mtp joint.This procedure is particularly effective in older, less-active patients with lower functional demand.".
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