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Related Experiment Videos

The continuing evolution of mechanical ventricular assistance

M Argenziano1, M C Oz, E A Rose

  • 1Division of Cardiothoracic Surgery, Columbia-Presbyterian Medical Center, Columbia University College of Physicians and Surgeons New York, New York, USA.

Current Problems in Surgery
|April 1, 1997
PubMed
Summary
This summary is machine-generated.

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Heart failure patients often lack definitive treatment options. Mechanical circulatory support devices, such as ventricular assist devices (VADs), offer promising long-term solutions for end-stage heart disease.

Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Devices

Background:

  • Millions suffer from heart failure sequelae annually.
  • Current therapies are insufficient for many patients with refractory heart failure.
  • Cardiac transplantation is limited by donor organ availability and waiting list mortality.

Purpose of the Study:

  • To review the development and application of various ventricular assist devices (VADs).
  • To evaluate the role of VADs in managing acute and chronic heart failure.
  • To discuss the potential of long-term mechanical assistance as a definitive therapy.

Main Methods:

  • Review of historical and current VAD technologies.
  • Analysis of short-term and long-term support modalities.

Related Experiment Videos

  • Discussion of VADs as bridges to transplantation and as definitive therapy.

    • Main Results:

    • Short-term support effective with intra-aortic balloon pumps and centrifugal pumps.
    • Extracorporeal and implantable pulsatile devices show success in long-term support.
    • Implantable VADs demonstrate capability for effective long-term cardiac support.

    Conclusions:

    • VADs are evolving from temporary solutions to definitive therapies for end-stage heart disease.
    • Challenges include device reliability, infection, and thromboembolism.
    • Ethical and economic considerations are crucial for future VAD implementation.