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עמוד בית
Thu, 25.07.24

Original Articles

IMAJ | volume 16

Journal 3, Mars 2014
pages: 162-167

Association between Cardiac Manifestations and Antiphospholipid Antibody Type and Level in a Cohort of Serbian Patients with Primary and Secondary Antiphospholipid Syndrome


    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), ß2-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 of valvular lesions, and some aPL types and high levels of aPL were risk factors for specific cardiac manifestations in APS patients.

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