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      Spiral Computed Tomographic Angiography – A New Technique for Evaluation of Vascular Access in Hemodialysis Patients

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          Abstract

          Spiral computed tomographic angiography (CTA), a new noninvasive imaging technique, was used to study 10 arteriovenous fistulas (AVF) in 9 hemodialysis patients. Digital subtraction angiography (DSA) was also performed as a gold standard for comparison. AVF stenosis was graded by a four-point scale: grade 0, well patency of supplying artery, anastomosis and drainage vein; grade 1, <50% stenosis; grade 2, 50–70% stenosis; grade 3, 70–99% stenosis, and grade 4, total occlusion. We found CTA correlated closely to DSA in detecting both stenosis and dilatation of AVF and it spared all the shortcomings of DSA. CTA has the potential to be alternative for imaging of dialysis fistulas. Further studies will be performed to specify the role of CTA images in the assessment of the hemodialysis vascular access.

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          Most cited references 1

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          Three-dimensional spiral computed tomographic angiography: An alternative imaging modality for the abdominal aorta and its branches

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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
            1998
            April 1998
            01 April 1998
            : 18
            : 2
            : 117-122
            Affiliations
            Section of Nephrology, Departments of a Medicine, and b Radiology, Veterans General Hospital-Taipei, National Yang-Ming University, Taipei, Taiwan/ROC
            Article
            13319 Am J Nephrol 1998;18:117–122
            10.1159/000013319
            9569953
            © 1998 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, Tables: 1, References: 19, Pages: 6
            Product
            Self URI (application/pdf): https://www.karger.com/Article/Pdf/13319
            Categories
            Clinical Study

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