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Heart booster: a pericardial support device.

R T Kung1, M Rosenberg

  • 1ABIOMED, Inc, Danvers, Massachusetts 01923, USA.

The Annals of Thoracic Surgery
|September 4, 1999
PubMed
Summary
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A novel pericardial cardiac assist device enhances heart function by wrapping around the epicardium. This blood-free device shows promise for improving quality of life in congestive heart failure patients.

Area of Science:

  • Biomedical Engineering
  • Cardiovascular Science

Background:

  • Congestive heart failure (CHF) affects millions globally, impacting patient quality of life.
  • Existing treatments may carry risks, such as thromboembolism from blood contact.

Purpose of the Study:

  • To demonstrate a novel pericardial cardiac assist device.
  • To evaluate a device that enhances cardiac output without direct blood contact.

Main Methods:

  • A cardiac assist device with tubular elements was wrapped around the heart.
  • Fluid actuation caused device circumference contraction/dilation, simulating cardiac assistance.
  • In vitro and in vivo (calves) studies were performed.

Main Results:

  • In vitro testing showed 6.5 L/min output simulating left ventricular support.

Related Experiment Videos

  • In vivo calf studies demonstrated enhanced cardiac output and afterload.

    • Conclusions:

    • First demonstration of a cardiac support device using epicardial wrapping and a contraction/relaxation scheme.
    • Highlights potential for a small, implantable, blood-contact-free cardiac assist device.