Finger joint swelling in a male adolescent.
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Biomedical subjects
Publications and source records attributed to C Amoresano.
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The effect of social and environmental conditions on the epidemiology of Rheumatoid Factor (RF) in healthy population was studied. For this purpose 2 sample of 828 subject was studied using 5 tests for RF. Our sample included: 419 randomized subjects from a quarter at the outskirts of Bologna (high rate immigration, non homogeneous habits and health background; 409 randomized subjects from one rural small town on the Romagna's hills (no immigration, no change in residence or profession for generations, uniform, habits and health background). These tests included: three on slide with binded human (2) and rabbit (1) IgGs and sheep-cells tests-one on slide (Scat) and the other in tube (W.-Rose by Mizuoka). The most frequent positive test was Scat test, in urban population and one human IgG latex-test in the rural population. No urban subject reacted at the same time to 4 or 5 tests. Associated positive results for 2, 3 or 4 tests are usually observed in rural subjects. These results are the expression of the different and more uniform social and biological background acquired by rural people.
The rheumatoid factor research restricted to only a test finds evident limitation not only in clinical field, but also on epidemiological investigations. The problem may find a solution by contemporary employment of a tests pool both in epidemiology and in the different physiopathological conditions present in rheumatology. Such kind of proposal has been verified on rheumatic diseases (rheumatoid arthritis classic or probable, polyarthritic syndrome, polyarthritis, spondylitis, psoriatic arthritis) and not rheumatic ones and in control group population (2901 subjects controlled). The results obtained emphasize the eventual presence of rheumatoid factor in the control group population, usually documented by the isolate positivity of three or more tests is preponderant for the same occurrence. By the statistical analysis applied to the conditions with equivalent number in the positive tests, is resulted that the possibility to discriminate the population, apparently health from the sick one is realized in a significative way of the positive tests, and starting from the positivity of two or more tests at least. It can be concluded confirming the already historical datum that the rheumatoid factor research with a test only has a limited orientation power to the diagnosis purpose.
OBJECTIVE: To evaluate if parenteral gold-therapy with Sodium gold thiosulfate is effective and safe for the treatment of rheumatoid arthritis we began an open, multicenter trial. METHODS: 126 rheumatoid arthritis patients were treated with Sodium gold thiosulfate for two years. Efficacy, quality of life, progression of joint damage, inflammatory parameters and side effects were evaluated. RESULTS: Gold salts reduced joint inflammation and improved subjective and objective symptoms, quality of life and activity of illness within 6 months. Side effects appeared in 13,8% of all cases and regressed, promptly, when gold therapy stopped. The poor efficacy caused the interruption and the change from the gold therapy to others disease-modifying anti-rheumatic drugs (DMRDs) in 17,8 % of the patients. CONCLUSIONS: The follow-up showed Sodium gold thiosulfate was effective in Rheumatoid Arthritis and the survival in therapy was of 77,8% to one year and of 68,4% to two years.