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The HeartMate 6.

Mani A Daneshmand1, Muath Bishawi1,2, Carmelo A Milano1

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Summary
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Two HeartMate 3 ventricular assist devices (VADs) provided effective total artificial heart (TAH) support for a patient needing a bridge to heart transplantation. This approach offers a viable option for biventricular mechanical circulatory support.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Devices
  • Transplantation Medicine

Background:

  • Biventricular support is critical for patients awaiting heart transplantation.
  • Traditional total artificial heart (TAH) solutions present significant challenges.
  • Advancements in ventricular assist device (VAD) technology enable novel applications.

Observation:

  • Two HeartMate 3 (HM3) centrifugal flow VADs were utilized as a TAH.
  • The HM3 device, approved for destination therapy, possesses unique features suitable for off-label biventricular support.
  • This case describes the successful application of dual HM3 VADs in a bridge-to-transplant scenario.

Findings:

  • The dual HM3 VAD configuration successfully provided biventricular mechanical circulatory support.
  • This configuration served as an effective bridge to heart transplantation for the patient.
  • The off-label use demonstrated the adaptability of the HM3 device.

Implications:

  • This case highlights the potential of using two HM3 VADs as a TAH for biventricular support.
  • It offers a promising alternative for patients requiring mechanical circulatory support as a bridge to transplantation.
  • Further research into dual VAD TAH configurations may expand treatment options for advanced heart failure.