Literature citation: goldfarb et al.Metacarpophalangeal joint arthroplasty in rheumatoid arthritis.The journal of bone and joint surgery.2003; 85-a : page(s) 1869-1878.Neither the device nor applicable imaging films were returned to the manufacturer for evaluation, therefore, the cause of the event cannot be determined.
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Allegedly, in an article by goldfarb et al.Titled "metacarpophalangeal joint arthroplasty in rheumatoid arthritis" it was reported that an investigation was performed to evaluate long term outcomes of patients.Thirty-seven hands were treated with a total of 148 swanson implants: eighty-four hp swanson implants were used (prior to 1986), and sixty-four hp-100 swanson implants were implanted.Of the 148 swanson implants, ninety-nine (67%) were broken, twenty-five (17%) were severely deformed, and twenty-four (16%) were intact.Forty-nine (58%) of the eighty-four hp swanson silicone implants (used prior to 1986) were fractured at an average of seventeen years after the surgery, and fifty (78%) of the sixty-four hp-100 swanson implants were fractured at an average of 12.7 years.The patients were satisfied or very satisfied with the function of 38% (twenty) of the fifty-two hands, and they reported no pain in 27% (fourteen) of the fifty-two hands.There was pain, ranging from occasional to constant, in the other thirty-eight hands.The ability to perform activities of daily living, work capacity, satisfaction with the cosmetic appearance, and overall satisfaction varied considerably among the patients.
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