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  • Title: Association between cardiac manifestations and antiphospholipid antibody type and level in a cohort of Serbian patients with primary and secondary antiphospholipid syndrome.
    Author: Djokovic A, Stojanovich L, Kontic M, Stanisavljevic N, Radovanovic S, Marisavljevic D.
    Journal: Isr Med Assoc J; 2014 Mar; 16(3):162-7. PubMed ID: 24761704.
    Abstract:
    BACKGROUND: Antiphospholipid syndrome (APS, also known as Hughes syndrome) may manifest itself as a primary or secondary disease, most commonly with systemic lupus erythemathosus (SLE) and various cardiac manifestations. OBJECTIVES: To report the first results from the Serbian National Cohort study, which was started in January 2000. METHODS: Our study included 374 patients: 260 primary APS patients and 114 SLE patients with secondary APS. Antiphospholipid antibody (aPL) analysis included detection of anticardiolipin antibodies (aCL) (immunoglobulin G and M), beta2-glycoprotein 1, and lupus anticoagulant. Echocardiography was performed in all patients, and data on myocardial infarction, unstable angina, chronic cardiomyopathy and acute heart failure were collected. RESULTS: There were 30.7% secondary APS patients and 9.2% primary APS patients with pseudo-infective endocarditis (P = 0.0001). Cardiac manifestations were observed in 28.7% of patients who had more than one type of antibody (category I), in 24.1% with category IIa, in 23.1% with category IIb, and in 27.8% with category IIc (P = 0.78). Age was confirmed as a significant factor for cardiac manifestations in APS patients (52.3 and 43.3 years, respectively, P = 0.001). aCL IgG and IgM positivity was related to valvular changes in all APS patients and high levels of those antibodies increased the risk of these manifestations. CONCLUSIONS: Patients with secondary APS had a higher prevalence ofvalvular lesions, and some aPL types and high levels of aPL were risk factors for specific cardiac manifestations in APS patients.
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