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  • Title: [Periungual capillaroscopy in rheumatoid arthritis. Prospective study of 80 cases].
    Author: Drevet JG, Carpentier PH, Lelong C, Juvin R, Franco A, Phelip X.
    Journal: Rev Rhum Mal Osteoartic; 1986 Jun; 53(6):367-71. PubMed ID: 2429362.
    Abstract:
    This study involved the screening for dermal microcirculatory abnormalities using periungueal capillaroscopy in a group of 80 cases of rheumatoid arthritis, so-defined in terms of ARA criteria. Excessive erythrocyte aggregation and/or pericapillary edema were detected in 74% of cases and were statistically correlated with ESR, reflecting an inflammatory syndrome. Capillary neogenesis, probably in reaction to subclinical cutaneous vascularity, was detected in 59% of cases (86% of subjects presenting extra-articular rheumatism). In 28% of cases this was accompanied by spontaneous hemorrhage, suggesting a progressive condition. Stigmata of cutaneous atrophy were present in 54% of subjects. These findings demonstrate the frequency of subclinical cutaneous damage in rheumatoid disease and suggest the possibility of the clinical usefulness of capillaroscopy, a non-invasive technic, in the follow-up of this disease.
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