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  • Title: [Amyloidosis associated with rheumatoid arthritis after total joint replacement].
    Author: Suzuki M, Miyamoto S, Ikuta Y, Kageyama Y, Kushida K, Inoue T.
    Journal: Ryumachi; 1992 Oct; 32(5):432-6. PubMed ID: 1440078.
    Abstract:
    Rheumatoid arthritis patients who had secondary amyloidosis have been studied retrospectively. There were eight patients out of 105 rheumatoid arthritis patients who had total joint replacement surgery from 1979 to 1990 in our institute. The grade of inflammation, renal and hepatic function have been compared with the RA patients without amyloidosis pre- and post- operatively. All of eight patients was female, and their average age at the diagnosis of amyloidosis was 57.8 year-old (range 4-76 year-old). The average preoperative period was 14.4 years (range 4-27 years), and the secondary amyloidosis had been diagnosed at the time of 3.8 years (range 1-9 years) after operation. The major clinical features leading to the diagnosis were gastrointestinal disturbance in six cases and renal dysfunction in two cases. The data of the renal function of amyloidosis patients showed slightly lower than that of the RA patients without amyloidosis, and showed significantly decrease postoperatively. The white blood cell (WBC) count was higher at the time of operation in the amyloidosis patients and showed continuous increase postoperatively. Lansbury index, alpha 2-globulin and WBC count did not improve in the amyloidosis patients during three years after operation. On the contrary, the patients without amyloidosis improved in these clinical data during the same period. Three amyloidosis patients died of renal failure and one died of bronchopneumonia. The average survival period was 1.8 years (range 1-5 years) after diagnosis of amyloidosis, and was 6.3 years (range 2-10 years) after operation in these four patients.(ABSTRACT TRUNCATED AT 250 WORDS)
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