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Fluid-shift during computer-modulated profile hemodialysis (CMP-HD).

M Keuchel1, A Dittmar, B Saure

  • 1Department of Nephrology, Philipps-University of Marburg, Germany.

The International Journal of Artificial Organs
|October 1, 1991
PubMed
Summary
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Computer-modulated hemodialysis profiles were tested for patient comfort and fluid shifts. Profile C, with decreasing ultrafiltration and dialysate sodium, improved intracellular volume balance in high-sodium patients without adverse effects.

Area of Science:

  • Nephrology
  • Biomedical Engineering

Background:

  • Hemodialysis is a critical treatment for kidney failure.
  • Patient comfort and fluid balance during hemodialysis are significant clinical concerns.
  • Optimizing hemodialysis profiles may improve patient outcomes and reduce complications.

Purpose of the Study:

  • To evaluate the impact of different computer-modulated hemodialysis profiles on patient comfort and fluid shifts.
  • To assess the effect of varying ultrafiltration and dialysate sodium levels on intracellular volume (ICV) and patient-reported complaints.
  • To determine the optimal profile for managing fluid balance in patients with different serum sodium levels.

Main Methods:

  • A study involving fifteen patients undergoing hemodialysis.
  • Comparison of three distinct hemodialysis profiles: constant ultrafiltration (UF) with constant dialysate sodium (138 mmol/l), decreasing UF, and decreasing UF with decreasing high dialysate sodium.

Related Experiment Videos

  • Monitoring of intracellular volume (ICV) changes and patient complaints post-dialysis.

    • Main Results:

    • Patients experiencing an increase in ICV during dialysis reported more post-dialysis discomfort.
    • ICV decreased in all patients with low serum sodium (<136 mmol/l) across all profiles.
    • Profile C (decreasing UF and dialysate sodium) effectively decreased ICV in high-serum sodium patients.
    • Profile C led to a 75% increase in interdialytic weight gain for low-serum sodium patients.

    Conclusions:

    • Computer-modulated hemodialysis profiles can influence patient comfort and fluid balance.
    • Profile C demonstrates potential for preventing intracellular volume imbalance in high-serum sodium patients without significant side effects.
    • Careful consideration of dialysate sodium profiles is necessary, especially in patients with low serum sodium, to avoid increased interdialytic weight gain.