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      Percutaneous Renal Biopsy in Children: A 27-Year Experience

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          Abstract

          Background: The introduction of automated biopsy devices and the localization of the kidney by ultrasound were aimed at optimizing efficacy and safety of the percutaneous renal biopsy procedure. We evaluated these technological advances in our renal biopsies performed in children. Methods: We sequentially used the Silverman needle (1969–1974), the TruCut needle (1974–1990), and the automated Biopty device (1990–1996). Fluoroscopy was used to localize the kidney until 1985, ultrasound examination prior to biopsy from 1985 to 1992, and direct ultrasound guidance since 1992. A total of 962 native kidney biopsies and 119 allograft biopsies were performed. Results: In the native kidney biopsies, the introduction of the Biopty device and ultrasound guidance were independently associated with fewer passes required to obtain adequate tissue and more glomeruli per specimen. The rate of biopsies yielding more than 9 glomeruli increased from 69 to 92% (p < 0.05). The number of glomeruli harvested per centimeter core length was inversely related to patient age (p < 0.01). More appropriate cortical tissue was retrieved in renal allograft biopsy specimens with the application of the new techniques. The occurrence of macroscopic hematuria (9.6%) in the native kidney biopsies was not affected by the puncture or localization technique applied, but subcapsular hematomas were documented more often with the Biopty device (42%) than with the TruCut needle (16%), probably due to improved ultrasound equipment. In the whole series 2 patients died, and 3 others required renal surgery and 4 blood transfusions. Conclusions: The automated ultrasound-guided procedure is a feasible and reliable technique for percutaneous renal biopsy in children. It gives a greater yield of diagnostic tissue without increasing the rate of clinical complications.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1998
          August 1998
          29 July 1998
          : 79
          : 4
          : 438-446
          Affiliations
          a Division of Pediatric Nephrology, b Department of Pediatric Radiology, and c Department of Pathology, University of Heidelberg, Germany
          Article
          45090 Nephron 1998;79:438–446
          10.1159/000045090
          9689160
          © 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
          Pages: 9
          Product
          Self URI (application/pdf): https://www.karger.com/Article/Pdf/45090
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          Original Paper

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