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      Acute Respiratory Failure due to ‘Pulmonary Calciphylaxis’ in a Maintenance Haemodialysis Patient

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          Abstract

          Calciphylaxis is a rapidly developing, fatal process of vascular calcium deposition with prominent cutaneous manifestation. We treated a long-term haemodialysis patient who developed an analogous disorder limited to the lungs. A 57-year-old man was admitted for initiation of peritoneal dialysis because limited cardiac reserve precluded further haemodialysis. He was treated successfully for pneumonia until hypoxia and progressive hypercalcaemia developed. <sup>99m</sup>Tc-methylene disphosphonate scintigraphy showed diffusely increased pulmonary uptake. Death supervened despite aggressive and successful treatment of hypercalcaemia. Autopsy studies included immunohistochemistry and morphometric studies of bone. Alveolar capillary walls showed diffuse calcium deposition. Both gross and microscopical findings differed from those of typical metastatic calcification in dialysis patients. Immunoreactivity for parathyroid hormone-related protein was present in the lesions. Bone histomorphometry indicated mild osteitis fibrosa. Pneumonia is believed to have caused local synthesis of parathyroid hormone-related protein that, along with high calcium × phosphorus product, contributed to calcium deposition. By analogy with the cutaneous process we termed the deposition ‘pulmonary calciphylaxis’.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          2001
          2001
          22 January 2001
          : 87
          : 1
          : 75-79
          Affiliations
          aFourth Department of Internal Medicine and bDepartment of Pathology, Kitasato University, and cSagamihara Clinic, Sagamihara, Kanagawa, Japan
          Article
          45887 Nephron 2001;87:75–79
          10.1159/000045887
          11174029
          © 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: 4, References: 12, Pages: 5
          Product
          Self URI (application/pdf): https://www.karger.com/Article/Pdf/45887
          Categories
          Case Report

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