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      Elevated IgA and IgM Anticardiolipin Antibodies in Acute Kawasaki Disease

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          Abstract

          There is marked activation of the endothelium and immune system in Kawasaki disease. Anticardiolipin antibodies (aCL) can cause activation of the endothelium. We measured aCL levels in acute Kawasaki disease patients and compared them to other febrile patients to see whether their aCL responses were different. Twenty-one patients with acute Kawasaki disease and 16 patients with an acute febrile illness were recruited. The aCL levels were measured in the sera of febrile patients and in Kawasaki disease patients prior to immunoglobulin therapy. There was no significant difference between the IgG aCL levels (p = 0.87) between the Kawasaki disease and febrile patients. However, the IgM (p = 0.01) and IgA (p = 0.03) aCL were significantly higher in patients with acute Kawasaki disease than in febrile children. Elevation of IgA aCL has been reported in association with other vasculitides and IgA-secreting plasma cells have been demonstrated in the vascular tissue in Kawasaki disease.

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          Most cited references 3

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          Immunoregulatory abnormalities in mucocutaneous lymph node syndrome.

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            Antiphospholipid antibody syndrome: Immunologic and clinical aspects

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              Anticardiolipin antibodies in acquired immunodeficiency syndrome.

              We undertook a prospective study of IgG and IgM anticardiolipin antibodies (ACAs) to determine their clinical significance in patients with acquired immunodeficiency syndrome (AIDS). IgG ACAs were found in 24 (92.3%) of 26 patients with AIDS who were hospitalized for pulmonary complaints (group 1) and in 13 (93%) of 14 patients with AIDS-related complex (group 2). In addition, 17 (94%) of 18 patients with AIDS (group 3) who had coagulation tests and were studied retrospectively had IgG ACAs. The prevalence of IgG ACAs in these three groups was significantly higher than in healthy controls, but was comparable to that in 31 consecutive patients with systemic lupus erythematosus (67.7%). The mean titer of IgG ACAs in group 1 was higher than in groups 2 and 3 but was not different from that in the patients with systemic lupus erythematosus. The frequency and titer of IgM ACAs in group 1 (7.6%) or group 2 (14.3%) were not significantly different from those in normal controls (4.7%). In contrast, half of the patients in group 3 had low-titer IgM ACAs. The serum titer of IgG ACAs in patients with AIDS with thrombocytopenia was significantly higher than it was in those with normal platelet counts. There was no association between ACAs and Pneumocystis carinii pneumonia or other infections, cancer, thrombosis, positive VDRL test, or presence of the lupus anticoagulant. The prevalence and titer of IgG or IgM ACAs were not associated with abnormal results of any coagulation test. Although we found IgG ACAs to be associated with thrombocytopenia in AIDS, their presence does not carry exactly the same clinical significance as it does in systemic lupus erythematosus. The high prevalence of ACAs in AIDS, in AIDS-related complex, and in otherwise healthy contacts with antibodies to human immunodeficiency virus suggests that their occurrence may be related to the underlying human immunodeficiency virus infection.
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                Author and article information

                Journal
                CRD
                Cardiology
                10.1159/issn.0008-6312
                Cardiology
                S. Karger AG
                0008-6312
                1421-9751
                2002
                July 2002
                19 July 2002
                : 97
                : 4
                : 180-182
                Affiliations
                Divisions of aCardiology, bInfectious Diseases and cHematology and Oncology, Department of Pediatrics, New York Presbyterian Hospital, and dDepartment of Pediatric Rheumatology, Hospital for Special Surgery, NewYork,N.Y., USA
                Article
                63118 Cardiology 2002;97:180–182
                10.1159/000063118
                12145471
                © 2002 S. Karger AG, Basel

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                Page count
                Figures: 1, References: 21, Pages: 3
                Categories
                General Cardiology

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