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Related Experiment Videos

Initial clinical experience with the Haemopump left ventricular assist device.

J A Smith1, R F Salamonsen, F L Rosenfeldt

  • 1Heart and Heart-lung Replacement Service, Alfred Hospital, Prahran, Victoria, Australia.

The Australian and New Zealand Journal of Surgery
|April 1, 1991
PubMed
Summary

The Haemopump, a temporary left ventricular assist device, effectively supported two heart transplant patients with severe graft dysfunction. Both patients were successfully weaned, demonstrating its utility in critical left ventricular failure.

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Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Mechanical Circulatory Support

Background:

  • Severe graft dysfunction post-cardiac transplantation can lead to critical left ventricular failure.
  • Temporary mechanical circulatory support is essential for managing acute hemodynamic instability.

Observation:

  • The Haemopump, an intra-arterial axial flow device, was used for temporary circulatory assistance.
  • The device was implanted via the femoral artery, iliac artery, or abdominal aorta, withdrawing blood from the left ventricle and pumping it into the descending thoracic aorta.

Findings:

  • Two patients with severe graft dysfunction post-cardiac transplantation received Haemopump support.
  • Both patients were successfully weaned from the device after 6 and 3 days, respectively.

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  • One patient recovered well with normal left ventricular function; the other succumbed to fungal sepsis.

    • Implications:

    • The Haemopump demonstrates efficacy as a temporary cardiac assist device for severe left ventricular failure.
    • This technology offers a potential solution for managing acute post-transplant graft dysfunction.
    • Further research may explore long-term outcomes and broader applications of axial flow ventricular assist devices.