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3,4-dge in peritoneal dialysis fluids cannot be found in plasma after infusion into the peritoneal cavity.

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Author

  • Martin Erixon
  • Anders Wieslander
  • Torbjörn Lindén
  • Ola Carlsson
  • Jan Åke Jönsson
  • Ole Simonsen
  • Per Kjellstrand

Summary, in English

OBJECTIVE: Glucose degradation products (GDPs) are important in the outcome of peritoneal dialysis (PD) treatment. 3,4-dideoxyglucosone-3-ene (3,4-DGE) is the most cytotoxic GDP found in conventionally manufactured fluids and may, in addition, be recruited from 3-deoxyglucosone (3-DG). It is not known what happens with those GDPs in patients during PD. The aim of this study was to investigate if the 3,4-DGE and 3-DG in PD fluids can be found in plasma during treatment. DESIGN: PD patients were dialyzed with a conventional PD fluid containing 43 mumol/L 3,4-DGE and 281 mumol/L 3-DG. Parallel experiments were performed in rats as well as in vitro with human plasma. The rats were dialyzed with a PD fluid containing 100 mumol/L 3,4-DGE and 200 mumol/L 3-DG. RESULTS: The concentration of 3,4-DGE in the peritoneum decreased at a much higher rate than 3-DG during the dwell. 3,4-DGE was not, however, detected in the plasma of patients or rats during dialysis. The concentration of 3-DG in plasma peaked shortly after infusion of the fluid to the peritoneal cavity. The concentration of 3,4-DGE during experimental incubation in plasma decreased rapidly, while the concentration of 3-DG decreased only 10% as rapidly or less. CONCLUSION: 3,4-DGE could not be detected in plasma from either PD patients or rats during dialysis. This is presumably due to its high reactivity. 3-DG may, on the other hand, pass through the membrane and be detected in the blood.

Publishing year

2008

Language

English

Pages

277-282

Publication/Series

Peritoneal Dialysis International

Volume

28

Issue

3

Document type

Journal article

Publisher

Multimed Inc.

Topic

  • Urology and Nephrology

Keywords

  • plasma
  • advanced glycation end products
  • 3-DG
  • PD fluid
  • 4-DGE
  • 3
  • glucose degradation products (GDPs)

Status

Published

ISBN/ISSN/Other

  • ISSN: 1718-4304