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Revista Colombiana de Reumatología

Print version ISSN 0121-8123

Abstract

MEDINA, Yimy F et al. Relationship between anti-cyclic citrullinated protein antibodies and osteoarticular manifestations in a cohort of systemic sclerosis patients. Rev.Colomb.Reumatol. [online]. 2011, vol.18, n.3, pp.155-162. ISSN 0121-8123.

Introduction: scleroderma is an autoimmune disease characterized by induration and thickening of skin. Patients may suffer from musculoskeletal symptoms which include arthralgias, arthritis, loss of articular function and disability. Objectives: we sought to assess any association between radiographic features, osteoarticular manifestations, and anti-CCP antibodies in a cohort of scleroderma patients. Materials and methods: we evaluated the clinical features of patients searching for demographic characteristics, organ system involvement and osteoarticular symptoms. The presence of anti-CCP IgG was evaluated in all patients. Standard radiographs of hands and feet were taken and analyzed. Results: one hundred twenty three consecutive patients were included and 100 patients were analyzed in the present study. Eighty four patients had limited scleroderma and 16 patients had diffuse scleroderma. The mean age was 55.5 years and the median time of diagnostic was 6.9 years. Fourteen patients were positive for presence of anti-CCP (14%), 4 patient for diffuse form and 9 patients for limited form. Eighteen patients were positive for IgM rheumatoid factor test (18%). It was not seen an association between organ involvement and antibodies. Seventy two percent of patients showed osteoarticular symptoms, 17 of them had arthralgias (23.6%), 25 had arthralgias and arthritis (34.7%), and 10 had arhtralgias, arthritis and contractures (13.9%). Two patients showed arthritis (2.8%), three contractures (4.2%) and 5 calcinosis (6.9%). There was no association between the presence of anti-CCP antibodies and osteoarticular manifestations (p= 0.095). Radiographic features seen on hands were osteolysis (72%), calcinosis (54%), increasing of soft tissues (49%) and flexion contractures (31%). On feet was seen osteolysis (13%), calcinosis (10%) and decreasing of articular space (6%). There was association between calcinosis and anti-CCP antibodies. Conclusion: the articular findings were frequently seen in this scleroderma cohort. Prevalence of anti-CCP antibodies and rheumatoid factor was around 15% positive. Hands showed more alterations than feet, probably for mechanistic factors. It was seen an association between hand calcinosis and anti-CCP antibodies.

Keywords : systemic scleroderma; osteoarticular manifestations; anti-CCP antibodies.

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