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Changes of peritoneal membrane function during long-term CAPD.

J Passlick-Deetjen1, H Chlebowski, M Koch

  • 1Department of Nephrology, University of Düsseldorf, W-Germany.

Advances in Peritoneal Dialysis. Conference on Peritoneal Dialysis
|January 1, 1990
PubMed
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Peritoneal equilibration tests (PETs) in continuous ambulatory peritoneal dialysis (CAPD) patients show significant changes in creatinine and glucose transport after 2-3 years. These alterations in peritoneal permeability are not linked to peritonitis or treatment duration.

Area of Science:

  • Nephrology
  • Renal Physiology

Background:

  • Peritoneal equilibration tests (PETs) assess solute and fluid transport in patients undergoing peritoneal dialysis.
  • Wide variations in PET results are observed in patients on continuous ambulatory peritoneal dialysis (CAPD).

Purpose of the Study:

  • To investigate the correlation between time on CAPD and changes in PET results.
  • To identify factors influencing alterations in peritoneal function over time.

Main Methods:

  • Analysis of 97 PETs from 86 CAPD patients at various treatment intervals.
  • Use of both 1.36% and 3.86% glucose solutions for PET assessments.
  • Comparison of intra-individual and inter-individual PET data.

Main Results:

Related Experiment Videos

  • No significant changes in PET parameters were observed within the first year of CAPD treatment.
  • Significant alterations in creatinine and glucose equilibration ratios, and ultrafiltration (UF) were noted after 24 and 36 months.
  • No correlation found between PET changes and the number of peritonitis episodes or overall treatment duration.

    • Conclusions:

    • Long-term CAPD treatment (beyond 2 years) is associated with increased peritoneal permeability.
    • The specific factors driving these permeability changes require further investigation.
    • Patients may experience functional changes in their peritoneum over extended periods of dialysis.