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Acetate in predilution in bicarbonate.

F Mondaini, F Balloni, M Gavazzi

    The International Journal of Artificial Organs
    |December 1, 1986
    PubMed
    Summary
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    Bicarbonate dialysis with acetate predilution using AN69-S filters improved patient outcomes. This method showed lasting benefits in acid-base balance, HCT, weight, and reduced intradialytic symptoms compared to standard dialysis.

    Area of Science:

    • Nephrology
    • Dialysis Technology
    • Biocompatible Materials

    Background:

    • Acetate and bicarbonate dialysis are common hemodialysis solutions.
    • The AN69-S membrane is a widely used synthetic dialyzer filter.
    • Optimizing dialysis solutions and filters can improve patient tolerance and outcomes.

    Purpose of the Study:

    • To evaluate the efficacy of bicarbonate dialysis with acetate predilution using AN69-S filters.
    • To compare this novel method against standard bicarbonate and acetate dialysis.
    • To assess improvements in objective and subjective patient parameters.

    Main Methods:

    • A 16-month study involving 28 patients undergoing hemodialysis.
    • 11 patients received bicarbonate dialysis with acetate predilution (AN69-S filter).

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  • Control groups included 7 patients on bicarbonate dialysis and 11 on acetate dialysis.

    • Main Results:

    • Patients treated with acetate predilution showed improvements in acid-base balance.
    • Hematocrit (HCT) and weight management were positively affected by the new method.
    • Significant reduction in intradialytic symptoms was observed, with lasting effects.

    Conclusions:

    • Bicarbonate dialysis with acetate predilution using AN69-S filters offers advantages over conventional dialysis methods.
    • This approach leads to sustained improvements in both objective and subjective patient well-being.
    • The findings suggest a beneficial role for acetate predilution in hemodialysis.