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      Antiphospholipid Antibodies in Ocular Arterial and Venous Occlusive Disease

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          Abstract

          Purpose: It was the aim of this study to evaluate antiphospholipid antibodies (APA), i.e. lupus anticoagulants (LA) and anticardiolipin (ACA) IgG and IgM, in ophthalmic occlusive disease. Methods: Over a 3.5-year period, APA were evaluated in 368 patients. Results: Eighty-six patients (23.4%), compared to 5% in the general population, tested positive for APA. APA did not differ significantly between patients with venous (20.6%) or arterial (25.5%) occlusive disease. This included 93 patients with central retinal vein occlusion (18% APA positive), 67 with retinal branch vein occlusion (24% APA positive), 41 with central retinal artery occlusion (22% APA positive), 53 with retinal branch artery occlusion (32% APA positive), 71 with anterior ischemic optic neuropathy (23% APA positive), 12 with posterior ischemic optic neuropathy (33% APA positive) and 31 patients with amaurosis fugax (23% APA positive). Excluding patients with accepted main risk factors, APA were positive in 15.3% of 85 patients. Conclusion: The high APA prevalence confirms its relevance in ocular occlusive disorders.

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          Analysis of prothrombotic and vascular risk factors in patients with nonarteritic anterior ischemic optic neuropathy.

          B Ravid, S L Kurtz, Alfred Baron … (1999)
          To determine whether genetic or acquired thrombophilias and other risk factors are associated with nonarteritic anterior ischemic optic neuropathy (NAION). Retrospective case-control study. Sixty-one patients with NAION diagnosed between 1984 and 1997. Ninety consecutive patients who visited the Eye Institute made up the control group. Protein C, protein S, antithrombin III, lupus anticoagulant, and three recently described prothrombotic polymorphisms (i.e., factor V G1691A, factor II G20210A, and methylenetetrahydrofolate reductase [MTHFR] C677T) were analyzed. In addition, risk factors for arteriosclerotic vascular disease were assessed. Parameters of thrombophilia. None of the thrombophilic markers (genetic and acquired) constituted a significant risk factor for NAION. Ischemic heart disease, hypercholesterolemia, and diabetes mellitus were discerned as risk factors for NAION with odds ratios of 2.9 (95% confidence interval [CI], 1.3-6.4), 2.6 (95% CI, 1.2-5.5), and 2.3 (95% CI, 1.1-4.8), respectively. Multiple logistic regression analysis indicated that ischemic heart disease and hypercholesterolemia exerted an additive risk for NAION with a combined odds ratio of 4.5 (95% CI, 1.4-14.5). However, none of these risk factors statistically predicted second eye involvement. NAION was not found to be associated with thrombophilic risk factors, yet it was related to ischemic heart disease, hypercholesterolemia, and diabetes mellitus.
          Article 0 comments Cited 24 times – based on 0 reviews     Review now
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            Clinical study and follow-up of 100 patients with the antiphospholipid syndrome.

            Francisco J. Muñoz-Rodríguez, Josep Font, Richard Cervera … (1999)
            To study the clinical characteristics at diagnosis and during follow-up of patients with the antiphospholipid syndrome (APS) and to analyze the influence of treatment on their outcome. One hundred patients with APS were included (86% female and 14% male; mean age, 36 years). Sixty-two percent had primary APS and 38% had APS associated with systemic lupus erythematosus (SLE). The median length of follow-up was 49 months. Fifty-three percent of the patients had thromboses, 52% had thrombocytopenia, and 60% of the women had pregnancy losses. Patients with APS associated with SLE had a higher prevalence of hemolytic anemia (P = .02), thrombocytopenia (platelet count lower than 100 x 10(9)/L) (P = .004), antinuclear antibodies (P = .0002), and low complement levels. Fifty-three percent of the patients with thrombosis had recurrent episodes (86% in the same site as the previous thrombotic event). Recurrences were observed in 19% of the episodes treated with long-term oral anticoagulation, in 42% treated prophylactically with aspirin, and in 91% in which anticoagulant/antiaggregant treatment was discontinued (P = .0007). Multivariate analysis showed that prophylactic treatment and older age had an independent predictive value for rethrombosis. Prophylactic treatment during pregnancy (usually with aspirin) increased the live birth rate from 38% to 72% (P = .0002). Patients with APS have a high risk of recurrent thromboses. Long-term oral anticoagulation seems to be the best prophylactic treatment to prevent recurrences. Prophylactic treatment with aspirin during pregnancy reduced the rate of miscarriages remarkably.
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              Antiphospholipid antibodies and retinal thrombosis in patients without risk factors: a prospective case-control study.

              Rosario Cobo-Soriano, Silvia Sánchez-Ramón, M.Jesús Aparicio … (1999)
              To determine the prevalence of antiphospholipid antibodies and other immunologic abnormalities in patients with occlusive retinal vascular events, exempt from conventional risk factors of retinal thrombosis. Forty patients with retinal vascular occlusion (26 with retinal vein occlusions, eight with arterial occlusions, two with combined venous and arterial occlusions, and four with venous occlusions plus vasculitis), free of main accepted risk factors for retinal thrombosis, were prospectively screened for antiphospholipid antibodies (anticardiolipin-antibodies and lupus anticoagulant) and other immunologic abnormalities. Fourteen patients were younger than 50 years. Prevalence and mean values of antiphospholipid antibodies (aPL) were compared with those in a homogeneous control group of 40 patients. The prevalence of antiphospholipid antibodies in the study group was 22.5% (nine of 40). Comparison with control group prevalence (5% [two of 40]) showed a statistically significant difference (P = .04). Six patients in the study group disclosed positivity for IgG-anticardiolipin antibodies, one patient for IgM anticardiolipin antibodies, and two patients for both isotypes IgG and IgM anticardiolipin antibodies. The antibody assay for lupus anticoagulant was negative for all patients. Three patients were diagnosed as having primary antiphospholipid antibody syndrome and are undergoing systemic anticoagulant therapy. Relevant immunologic abnormalities were also found (27.5% with antinuclear antibodies, 35% with elevation of circulating immune complexes, 35% with complement deficiency, 30% with positive rheumatoid factor, and 17.5% with positive C-reactive protein). Thirteen patients (32.5%) had more than four parameters altered. No significant association was found between prevalence or mean values of anticardiolipin antibody and patients younger than 50 years. The high prevalence of anticardiolipin antibodies in patients with vaso-occlusive retinopathy exempt from conventional risk factors, and the relevant diagnostic and therapeutic implications, lead us to recommend a systematic search for specific antiphospholipid antibodies in such patients.
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                Author and article information

                Journal
                Journal ID (publisher-id): OPH
                Journal ID (nlm-ta): Ophthalmologica
                Journal ID (doi): 10.1159/issn.0030-3755
                Title: Ophthalmologica
                Publisher: S. Karger AG
                ISSN (Print): 0030-3755
                ISSN (Electronic): 1423-0267
                Publication date Subscription-year: 2007
                Publication date (Print): December 2006
                Publication date (Electronic): 18 December 2006
                Volume: 221
                Issue: 1
                Pages: 41-46
                Affiliations
                aEye Hospital, University of Basel, Basel, Switzerland; bEye Hospital, cInstitute of Laboratory Medicine, and dInstitute of Haemostaseology and Transfusion Medicine, University of Saarland, Homburg, Germany
                Article
                Publisher ID: 96521 Other ID: Ophthalmologica 2007;221:41–46
                DOI: 10.1159/000096521
                PubMed ID: 17183200
                SO-VID: 5775f05f-4c17-43b3-99a0-c13a74d4251d
                Copyright © © 2007 S. Karger AG, Basel
                License:

                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.

                History
                Date received : 23 February 2006
                Date accepted : 27 April 2006
                Page count
                Figures: 4, References: 23, Pages: 6
                Categories
                Subject: Original Paper

                ScienceOpen disciplines: Vision sciences,Ophthalmology & Optometry,Pathology
                Keywords: Posterior ischemic optic neuropathy,Lupus anticoagulants,Retinal artery occlusion,Anterior ischemic optic neuropathy,Antiphospholipid antibodies,Anticardiolipin antibodies,Retinal vein occlusion
                Data availability:
                ScienceOpen disciplines: Vision sciences, Ophthalmology & Optometry, Pathology
                Keywords: Posterior ischemic optic neuropathy, Lupus anticoagulants, Retinal artery occlusion, Anterior ischemic optic neuropathy, Antiphospholipid antibodies, Anticardiolipin antibodies, Retinal vein occlusion

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