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Hemofiltration during extracorporeal circulation (ECC).

J Darup, N Bleese, P Kalmar

    The Thoracic and Cardiovascular Surgeon
    |August 1, 1979
    PubMed
    Summary
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    Hemofiltration effectively manages fluid balance and treats hyperkalemia during cardiopulmonary bypass (CPB). This technique is also beneficial for open-heart surgeries in patients with end-stage renal disease, demonstrating its versatility in cardiac surgery.

    Area of Science:

    • Cardiovascular Surgery
    • Nephrology
    • Critical Care Medicine

    Background:

    • Cardiopulmonary bypass (CPB) in cardiac surgery presents challenges in fluid management and renal function.
    • Patients with end-stage renal insufficiency require specialized care during complex cardiac procedures.
    • Acute hyperkalemia is a critical complication that necessitates prompt intervention.

    Purpose of the Study:

    • To evaluate the utility of hemofiltration during cardiac surgery.
    • To describe the application of the DIAFILTER TM for hemofiltration in this context.
    • To assess the effectiveness of hemofiltration in fluid balance, renal insufficiency, and hyperkalemia management.

    Main Methods:

    • Utilized a 12.5 x 4.5 cm DIAFILTER TM for hemofiltration during CPB.

    Related Experiment Videos

  • Described the operational model and technical details of the hemofiltration procedure.
  • Analyzed ultrafiltrate composition, demonstrating passage of molecules <50,000 MW.

    • Main Results:

    • Achieved a filtration capacity of 100 cc/min ultrafiltrate (UF) with a blood flow rate of 300 cc/min.
    • Demonstrated successful fluid balance management during long-term CPB.
    • Successfully facilitated open-heart procedures in patients with renal insufficiency and treated acute hyperkalemia.

    Conclusions:

    • Hemofiltration is a valuable adjunct in cardiac surgery for fluid management, especially during extended CPB.
    • The DIAFILTER TM provides a simple and effective means to manage renal insufficiency and hyperkalemia in cardiac surgical patients.
    • Hemofiltration offers a versatile solution for critical care challenges in the cardiac surgery setting.