title: Long-term results of ankle and triple arthrodeses fixed with self-reinforced polylevolactic acid implants in patients with rheumatoid arthritis.
abstract: Self-reinforcing polylevolactic acid (SR-PLLA) implants have been used in arthrodeses of patients with rheumatoid arthritis. No long-term evaluation has been published so far. Two patients (three ankles) with destruction of the ankle joint and seven with destruction of the subtalar joint received ten arthrodeses. One out of three ankle arthrodeses healed and nonunion developed in two. Five out of seven triple arthrodeses attained bony union. Two patients with malunion of the subtalar and talonavicular joints are free of symptoms and need no reoperation. One superficial wound infection healed by oral antibiotics. In one patient, an ankle arthrodesis was performed 6 years after the triple arthrodesis of the left foot. SR-PLLA implants can be used in triple arthrodesis in rheumatoid arthritic patients with good results comparable to those of other studies. The problems with nonunion of ankle arthrodeses noticed in former studies are also attributable to this fixation method.
authors.affiliation: Department of Orthopaedics and Traumatology, Helsinki University Central Hospital, Finland. nina.voutilainen@hus.fi
authors.forename: N
authors.initials: N
authors.lastname: Voutilainen
authors.forename: H
authors.initials: H
authors.lastname: Pätiälä
authors.forename: T
authors.initials: T
authors.lastname: Juutilainen
authors.forename: E K
authors.initials: EK
authors.lastname: Partio
authors.forename: P
authors.initials: P
authors.lastname: Rokkanen
mesh_terms: D020341:Absorbable Implants; D000328:Adult; D000368:Aged; D000843:Ankle Joint / Q000503:physiopathology / Q000601:surgery*; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000601:surgery*; D001174:Arthrodesis / Q000379:methods; D001672:Biocompatible Materials; D005260:Female; D005500:Follow-Up Studies; D005531:Foot Deformities, Acquired / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D007595:Joint Prosthesis; D019344:Lactic Acid / Q000031:analogs & derivatives / Q000627:therapeutic use*; D008297:Male; D008422:Materials Testing; D008875:Middle Aged; D010147:Pain Measurement; D011108:Polymers / Q000627:therapeutic use*; D016059:Range of Motion, Articular; D012720:Severity of Illness Index; D016896:Treatment Outcome
chemical_list: D001672:Biocompatible Materials; D011108:Polymers; C445939:polylevolactic acid; D019344:Lactic Acid