title: Silastic arthroplasty for avascular necrosis of the carpal lunate.
abstract: The substitution of a diseased carpal lunate by a silastic implant (Swanson design) was performed in 70 patients. Twenty cases with a median follow-up of 48 months generally showed an increase in the range of motion of the wrist. There was disabling weakness of grip in one patient. Subluxation of the implant occurred in 2 cases, but this did not compromise the final result. Instability of the scaphoid was observed in 50% of the cases, before and after operation. There were no adverse reactions to the implant.
mesh_terms: D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D007595:Joint Prosthesis; D012667:Lunate Bone / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D010020:Osteonecrosis / Q000601:surgery*; D012826:Silicone Elastomers; D014955:Wrist Joint / Q000601:surgery
chemical_list: D012826:Silicone Elastomers