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Related Experiment Video

Updated: May 23, 2026

Cardiopulmonary Bypass in a Mouse Model: A Novel Approach
08:08

Cardiopulmonary Bypass in a Mouse Model: A Novel Approach

Published on: September 22, 2017

Prospective, randomized study comparing two different minimized versus conventional cardiopulmonary bypass systems.

Jeannette Schoenebeck1, Munif Haddad, Karl Wegscheider

  • 1Department of Cardiovascular Surgery, University Heart Center Hamburg, Hamburg, Germany.

Innovations (Philadelphia, Pa.)
|March 23, 2012
PubMed
Summary

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Minimized cardiopulmonary bypass (mini-CPB) systems, with or without Bioline-coating, demonstrated superior myocardial preservation compared to conventional cardiopulmonary bypass (CCPB). However, no significant differences were observed in inflammatory response or early clinical outcomes.

Area of Science:

  • Cardiac Surgery
  • Cardiopulmonary Bypass Technology
  • Biomedical Engineering

Background:

  • Conventional cardiopulmonary bypass (CCPB) is associated with significant inflammatory responses and organ dysfunction.
  • Minimizing cardiopulmonary bypass (mini-CPB) systems aim to reduce the inflammatory burden during cardiac surgery.
  • Bioline-coating is a potential strategy to further mitigate the adverse effects of CPB circuits.

Purpose of the Study:

  • To compare the impact of two mini-CPB systems (Bioline-coated vs. uncoated) against CCPB.
  • To evaluate organ function, inflammatory markers, and early clinical outcomes in patients undergoing coronary artery bypass grafting.

Main Methods:

  • Prospective, randomized study involving 120 patients undergoing elective coronary artery bypass grafting.

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Last Updated: May 23, 2026

Cardiopulmonary Bypass in a Mouse Model: A Novel Approach
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A Recovery Cardiopulmonary Bypass Model Without Transfusion or Inotropic Agents in Rats

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  • Patients were allocated to three groups: Bioline-coated mini-CPB, uncoated mini-CPB, or CCPB.
  • Measurements included cytokines, myocardial markers (CK, CK-MB, troponin-T), hematocrit, and platelet counts up to 48 hours postoperatively; clinical outcomes assessed at 3 months.

    • Main Results:

    • Both mini-CPB groups showed significantly reduced myocardial markers (CK-MB, troponin-T) compared to CCPB.
    • No significant differences in inflammatory markers (interleukin-6, -8, TNF-alpha) were found among the groups.
    • Extracorporeal circulation and cross-clamp times were longer in mini-CPB groups, but clinical outcomes, hematologic parameters, and inflammatory responses were comparable.

    Conclusions:

    • Minimized cardiopulmonary bypass systems, irrespective of Bioline-coating, offer improved myocardial protection.
    • Mini-CPB did not significantly alter the inflammatory response, hematologic effects, or early clinical outcomes compared to CCPB.
    • Further research may be needed to elucidate the long-term benefits and optimal application of mini-CPB technologies.