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Related Experiment Videos

Cell function and viability in glucose polymer peritoneal dialysis fluids

T Liberek1, N Topley, C D Mistry

  • 1Institute of Nephrology, University of Wales College of Medicine, Cardiff Royal Infirmary, United Kingdom.

Peritoneal Dialysis International : Journal of the International Society for Peritoneal Dialysis
|January 1, 1993
PubMed
Summary

This study assessed a new glucose polymer fluid (GPF) for peritoneal dialysis. While GPF showed similar host defense inhibition to Dianeal, concerns remain regarding mesothelial cell viability and bacterial survival.

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Area of Science:

  • Biocompatibility
  • Peritoneal Dialysis
  • Immunology

Background:

  • Peritoneal dialysis (PD) requires biocompatible fluids to minimize patient complications.
  • Existing PD fluids can impact immune cell function and mesothelial cell health.
  • Glucose polymer-based fluids are a potential alternative to glucose-based solutions.

Purpose of the Study:

  • To evaluate the biocompatibility of a novel glucose polymer fluid (GPF) for peritoneal dialysis.
  • To compare the effects of GPF with conventional dialysis fluids on immune cell function and mesothelial cells.
  • To assess bacterial growth and host defense parameters in GPF.

Main Methods:

  • In vitro assessment of peripheral neutrophils (PMN) and human peritoneal mesothelial cells exposed to GPF and Dianeal.

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  • Measurement of phagocytosis, leukotriene B4 synthesis, and respiratory burst activation.
  • In vivo pH equilibration and bacterial growth studies.

    • Main Results:

    • Both GPF and Dianeal significantly inhibited host defense parameters compared to control buffer.
    • Mesothelial cell viability was reduced by all tested fluids.
    • GPF showed differential effects compared to Dianeal, being more inhibitory for some functions and less for others, with pH playing a significant role.
    • Bacterial growth was not supported, but viable counts were higher in GPF than Dianeal.

    Conclusions:

    • GPF exhibits comparable host defense inhibition to Dianeal.
    • Concerns regarding mesothelial cell viability and bacterial survival warrant further investigation for GPF.
    • The biocompatibility profile of GPF requires careful consideration for clinical application.