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      Primary Antiphospholipid Antibody Syndrome and Mesangial IgA Glomerulonephritis

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          Abstract

          The antiphospholipid antibody syndrome (APS) is characterized by recurrent thrombosis, fetal loss, multiorgan involvement, and the presence of lupus anticoagulant and/or anticardiolipin antibody. When not associated with systemic lupus erythematosus, other collagen diseases, or ingestion of medications, the condition is called primary APS. The kidney may be involved in the APS syndrome with acute nephritis and renal failure. The cases with renal biopsy studies have shown variable glomerular morphology, ranging from mild mesangial changes to a diffuse endocapillary proliferative glomerulonephritis. The most frequent lesion is thrombotic microangiopathy or features seen in the hemolytic uremic syndrome. Apart from fibrin thrombus deposition, only a few cases have shown focal and segmental deposits of IgG and/or IgM and/or C3. We describe a patient with primary APS who had thrombosis with lower limb amputation and acute renal failure. The renal biopsy specimen showed a focal proliferative glomerulonephritis with endothelial proliferation and damage, with diffuse heavy mesangial deposits of IgA and fibrinogen. This case with diabetes mellitus, but without diabetic nephropathy, represents the occurrence of primary APS and mesangial IgA nephropathy which potentiated the renal injury, leading to acute renal failure. The relationship to the Henoch-Schönlein syndrome is discussed.

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          Most cited references 6

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          Association between antiphospholipid antibodies and cardiac abnormalities in patients with systemic lupus erythematosus.

          Although the antiphospholipid antibodies are well recognized to be associated with thrombosis, recurrent abortion, and thrombocytopenia in patients with systemic lupus erythematosus (SLE), their relationship with cardiac disease is less clear. The purpose of this study was to evaluate the association between anti-phospholipid antibodies and cardiac abnormalities in patients with SLE. A total of 75 consecutive SLE patients and 60 healthy sex- and age-matched control subjects were evaluated in a case-control study. All participants underwent M-mode, two-dimensional, and Doppler echocardiography. Antiphospholipid antibodies levels were assayed in each patient. The prevalence of antiphospholipid antibodies in patients with and without echocardiographic abnormalities was compared. Compared with the control group, SLE patients had significantly more pericardial abnormalities, left ventricular hypertrophy, left atrial enlargement, left ventricular dysfunction and verrucous valvular thickening, global valvular thickening with dysfunction, and mitral and aortic regurgitation. Among these abnormalities, antiphospholipid antibodies were significantly associated with isolated left ventricular (global or segmental) dysfunction (four of five positive; p less than 0.05), verrucous valvular (mitral or aortic) thickening (seven of nine positive; p less than 0.005), global valvular (mitral or aortic) thickening and dysfunction (five of six positive; p less than 0.02), as well as mitral regurgitation (16 of 19 positive; p less than 0.001) and aortic regurgitation (five of six positive; p less than 0.02). Valvular lesions and myocardial dysfunction are associated with elevated antiphospholipid antibodies. This study has important implications for the pathogenic role of anti-phospholipid antibodies in relation to these cardiac abnormalities.
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            • Record: found
            • Abstract: not found
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            The relationship between lupus anticoagulants and antibodies to phospholipid

             D Triplett (1988)
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              • Record: found
              • Abstract: not found
              • Article: not found

              Answers to the antiphospholipid-antibody syndrome?

               M Lockshin (1995)
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                Author and article information

                Journal
                AJN
                Am J Nephrol
                10.1159/issn.0250-8095
                American Journal of Nephrology
                S. Karger AG
                0250-8095
                1421-9670
                2001
                April 2001
                07 May 2001
                : 21
                : 2
                : 134-140
                Affiliations
                Departments of Pathology and Medicine, National University Hospital, Singapore
                Article
                46236 Am J Nephrol 2001;21:134–140
                10.1159/000046236
                11359021
                © 2001 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: 3, References: 56, Pages: 7
                Product
                Self URI (application/pdf): https://www.karger.com/Article/Pdf/46236
                Categories
                Case Report

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