Soropositividade do fator reumatóide nos pacientes portadores de artrite reumatóide no Hospital Universitário Regional do Norte do Paraná
DOI:
https://doi.org/10.5433/1679-0367.1989v10n2p84Keywords:
Rheumatoid factor, Latex, Waaler-Rose, Rheumatoid arthritis.Abstract
The seropositivity of rheumatoid factors were studied in 77 subjects with rheumatoid arthritis. The positivity determined by the Latex Fixation Test was 58,4% while the Waaler-Rose (W.R.) was 28,5% the moment the diagnosis was made. As the patients were followed, the seropositivity increased to 66,2% for the Latex and 37,6% for the Waaler-Rose. The clinical criteria were most important for the diagnosis. Invasive technics rarely were necessary. According to our study, the Latex is preferred as a screening procedure as it is less expensive and more sensitive. The Waaler-Rose, then, should be reserved for those special cases of diagnostic difficulty or for clinical trials.
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