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Cold carbon haemofiltration apparatus

C Giordano, R Esposito, P Bello

    Proceedings of the European Dialysis and Transplant Association. European Dialysis and Transplant Association
    |January 1, 1980
    PubMed
    Summary
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    This study compared standard haemofiltration (HF) with closed-circuit HF in uraemic patients. Closed-circuit HF demonstrated superior control of acid-base balance, offering a potential improvement in treatment efficacy.

    Area of Science:

    • Nephrology
    • Renal Replacement Therapy
    • Biomedical Engineering

    Background:

    • Uraemia presents significant challenges in fluid and electrolyte management.
    • Standard haemofiltration (HF) requires large volumes of electrolyte solutions.
    • Improving the efficiency and control of HF is crucial for patient outcomes.

    Purpose of the Study:

    • To evaluate the efficacy of closed-circuit haemofiltration with diafiltrate reinfusion.
    • To compare acid-base balance control between standard HF and closed-circuit HF.

    Main Methods:

    • Four uraemic patients participated in a two-month study.
    • Standard HF was performed three times weekly with large electrolyte solution infusion.
    • Closed-circuit HF utilized regenerated diafiltrate via carbon and ion-exchange resins.

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    Main Results:

    • Data from both HF methods were comparable in many aspects.
    • Closed-circuit HF showed significantly better control of acid-base balance.
    • Specific amounts of carbon (26.8g) and resins (10g/kg b.w) were utilized.

    Conclusions:

    • Closed-circuit haemofiltration with diafiltrate regeneration is a viable alternative.
    • This method offers enhanced control over acid-base balance in uraemic patients.
    • Further research into optimizing regeneration materials and processes is warranted.