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      First-Phase Insulin Release in Adult Cystic Fibrosis Patients: Correlation with Clinical and Biological Parameters

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          Abstract

          Adult patients with cystic fibrosis (CF) are at high risk for developing insulin-dependent diabetes mellitus. Therefore, the fast insulin release (FIR) to intravenously administered glucose was measured in 23 adult CF patients. The influence of the clinical parameters and type of gene deletion on the amplitude of the FIR, defined by the sum of the 1st- and 3rd-minute insulin concentrations was analyzed. In 11 of the 18 normoglycemic patients with exocrine pancreatic insufficiency and the 3 nontreated diabetic CF patients studied, an FIR value lower than the 3rd percentile was found. The female patients had higher mean FIR values than the male patients (62.8 ± 39.6 vs. 27.9 ± 17.9 mU/l; p < 0.05). No influence of age, body mass index, or pulmonary or liver involvement on the FIR was found. Subjects heterozygous for the delta F508 deletion had a similar insulin response as homozygous patients. The FIR level correlated negatively with the basal glucose level (r = 0.4; p < 0.001). In conclusion, 61 % of the adult nondiabetic CF patients with exocrine pancreatic insufficiency presented a loss in acute insulin response, which could not be predicted by clinical or genetic parameters.

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          Author and article information

          Journal
          HRE
          Horm Res Paediatr
          10.1159/issn.1663-2818
          Hormone Research in Paediatrics
          S. Karger AG
          978-3-8055-5815-0
          978-3-318-02120-2
          1663-2818
          1663-2826
          1992
          1992
          03 December 2008
          : 38
          : 5-6
          : 260-263
          Affiliations
          Departments of aPediatrics and bRIA, Academisch Ziekenhuis Kinderen, Vrije Universiteit Brussel, Brussels, Belgium
          Article
          182555 Horm Res 1992;38:260–263
          10.1159/000182555
          1307748
          © 1992 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: 4
          Categories
          Original Paper

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