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Table of Contents
Vol. 90, No. 2, 2002
Issue release date: February 2002
Section title: Short Communication
Nephron 2002;90:230–233
(DOI:10.1159/000049051)

Prostate-Specific Antigen in Hemodialysis Patients and the Influence of Dialysis in Its Levels

Tzanakis I.a · Kazoulis S.b · Girousis N.a · Kagia S.a · Spandidakis V.a · Karefillakis N.a · Georgila M.c · Cristoulakis I.b · Hatzilias P.b · Kallivretakis N.a
aNephrological and bUrological Departments and cBiochemical Laboratory, General Hospital of Chania, Crete, Greece

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Article / Publication Details

First-Page Preview
Abstract of Short Communication

Published online: January 30, 2002
Issue release date: February 2002

Number of Print Pages: 4
Number of Figures: 2
Number of Tables: 1

ISSN: 1660-8151 (Print)
eISSN: 2235-3186 (Online)

For additional information: http://www.karger.com/NEF

Abstract

The determination of prostate-specific antigen (PSA) is a useful tool in the diagnosis and follow-up of prostate cancer in males, but its diagnostic validity is uncertain in hemodialysis patients. We prospectively evaluated PSA in male hemodialysis patients as well as the influence of a single dialytic session on its levels. We measured pre- and postdialysis total PSA (tPSA) in 63 hemodialysis patients (mean age 68.44 ± 11.16 years, range 33–86 years) who had received dialysis with low flux membranes as well as in 729 normal subjects (mean age 63.22 ± 16.85 years, range 28–92 years). We also measured pre- and postdialysis hematocrit (Hct) in patients in order to estimate the degree of hemoconcentration after the dialysis session. If any of the examined patients or subjects had abnormal tPSA levels then free PSA (fPSA) and the f/tPSA ratio were additionally measured. Patients had lower levels of tPSA compared with those of the subjects (2.41 ± 4.06 vs. 3.76 ± 7.16 ng/ml, p < 0.05) while both of the two groups had near equal prevalence of individuals with abnormal values of tPSA or f/tPSA ratio (patients 12.69 and 7.93%, subjects 11.01 and 7.11%, respectively; nonsignificant. Dialysis resulted in a 9.48% increase in mean tPSA levels (2.41 ± 4.06 vs. 2.69 ± 4.06 ng/ml, nonsignificant) and in a 10.09% increase in mean Hct; the correlation between these increases was significant (r = 0.79, p < 0.001). In conclusion, our male hemodialysis patients had lower PSA levels compared with the general population, while both groups of individuals had a similar prevalence of abnormal values of tPSA and f/tPSA ratio. Dialysis with low flux membranes does not eliminate PSA and its postdialysis increase is due to hemoconcentration.

© 2002 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Short Communication

Published online: January 30, 2002
Issue release date: February 2002

Number of Print Pages: 4
Number of Figures: 2
Number of Tables: 1

ISSN: 1660-8151 (Print)
eISSN: 2235-3186 (Online)

For additional information: http://www.karger.com/NEF


Copyright / Drug Dosage / Disclaimer

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 or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
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.