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Related Experiment Videos

Chronic left ventricular support with a vented electric assist device

O H Frazier1

  • 1Texas Heart Institute, Houston 77225-0345.

The Annals of Thoracic Surgery
|January 1, 1993
PubMed
Summary

The vented electric HeartMate, a novel left ventricular assist device, offers mobility and outpatient care for patients awaiting heart transplantation. This technology shows potential for long-term cardiac support as an alternative to transplantation.

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Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Medical Devices

Background:

  • The success of pneumatic left ventricular assist devices (LVADs) has paved the way for new technologies.
  • Pneumatically powered HeartMate LVADs have demonstrated efficacy in supporting patients with heart failure.

Purpose of the Study:

  • To evaluate the clinical feasibility of the vented electric HeartMate LVAD.
  • To assess the device's suitability for bridge-to-transplantation procedures.
  • To explore its potential as a long-term cardiac support solution.

Main Methods:

  • Clinical studies initiated at the Texas Heart Institute.
  • Intraperitoneal implantation of the vented electric LVAD.
  • Percutaneous lead connected to rechargeable batteries for power, enabling patient mobility.

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Main Results:

  • Two patients currently receiving left ventricular support (315 and 112 days).
  • Patients are medically fit for outpatient care and follow-up.
  • Demonstrated patient mobility due to wearable, rechargeable batteries.

Conclusions:

  • The vented electric HeartMate is a promising technology for bridge-to-transplantation.
  • The device facilitates outpatient care and follow-up for LVAD patients.
  • This technology may offer long-term cardiac support as a potential alternative to heart transplantation.