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Hemodialyzer performance: biological indices

C J Holmes1

  • 1Baxter Healthcare, Renal Division, McGaw Park, Illinois 60085, USA.

Artificial Organs
|November 1, 1995
PubMed
Summary
This summary is machine-generated.

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Evaluating hemodialyzer biocompatibility is complex due to numerous biological indices. This review critiques plasma cascade system activation and cellular effects as key measures for membrane assessment in renal replacement therapy.

Area of Science:

  • Biomedical Engineering
  • Nephrology
  • Materials Science

Background:

  • The proliferation of biological indices for hemodialyzer biocompatibility presents challenges in membrane evaluation.
  • Renal replacement therapy requires clear methods to compare different hemodialyzer membranes.

Purpose of the Study:

  • To review and critique biological parameters used as indices of hemodialyzer membrane biocompatibility.
  • To emphasize the utility of plasma cascade system activation as a primary measure.

Main Methods:

  • Literature review of biological parameters for hemodialyzer biocompatibility.
  • Critique of the utility of various indices, focusing on plasma cascade systems (complement, coagulation, kinin).
  • Consideration of cellular effects (neutrophil, monocyte, platelet, lymphocyte, NK cells).

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Main Results:

  • Plasma cascade system activation (complement, coagulation, kinin) are primary indicators of biocompatibility.
  • Cellular responses may offer additional insights but often correlate with plasma cascade activation.
  • Effective statistical design is crucial for interpreting biocompatibility study results.

Conclusions:

  • A critical evaluation of biological indices is needed to assess hemodialyzer biocompatibility.
  • Plasma cascade system activation provides a robust framework for evaluating blood-membrane interactions.
  • Standardized statistical approaches are essential for reliable biocompatibility assessments.