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Related Experiment Videos

Hemoconcentration by ultrafiltration during open-heart surgery.

J O Solem1, E Ståhl, J Kugelberg

  • 1Department of Thoracic Surgery, University Hospital, Lund, Sweden.

Scandinavian Journal of Thoracic and Cardiovascular Surgery
|January 1, 1988
PubMed
Summary
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Ultrafiltration during extracorporeal circulation effectively removed excess fluid in critically ill cardiac patients. This treatment improved patient hematocrit and may enhance postoperative recovery by managing water overload.

Area of Science:

  • Cardiology
  • Nephrology
  • Critical Care Medicine

Background:

  • Critically ill cardiac patients undergoing extracorporeal circulation (ECC) often experience severe water overload.
  • Causes include congestive heart failure, renal failure, and iatrogenic hemodilution.
  • Managing fluid balance is crucial for improving outcomes in these patients.

Observation:

  • Ultrafiltration (hemofiltration) was applied during ECC in 17 patients.
  • This technique uses hydrostatic pressure across a semipermeable membrane to remove water and small molecules from blood.
  • Average fluid removal was 2090 ml, increasing hematocrit from 25% to 33%.

Findings:

  • Ultrafiltration successfully treated water overload in patients with congestive heart failure, renal failure, or hemodilution.

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  • No adverse effects were observed during or after the ultrafiltration procedure.
  • The treatment demonstrated a positive impact on hematocrit levels.

    • Implications:

    • Ultrafiltration during ECC is a viable strategy for managing fluid overload in high-risk cardiac surgical patients.
    • This intervention may lead to improved postoperative recovery and reduced complications.
    • Further investigation into its broader application in critical care is warranted.