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Related Experiment Videos

Postauricular percutaneous power delivery for permanent mechanical circulatory support.

Stephen Westaby1, Robert Jarvik, Andrew Freeland

  • 1Oxford Heart Centre, Oxford, United Kingdom. swestaby@AHF.org.uk

The Journal of Thoracic and Cardiovascular Surgery
|May 23, 2002
PubMed
Summary

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A novel skull-mounted pedestal for left ventricular assist devices significantly reduced driveline infections in heart failure patients. This innovative approach offers a user-friendly, reliable solution for long-term mechanical circulatory support.

Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Infectious Disease Prevention

Background:

  • Percutaneous driveline infections are a major complication for patients with left ventricular assist devices (LVADs).
  • These infections negatively impact patient quality of life and survival rates.
  • Existing driveline management strategies have limitations in preventing infection.

Purpose of the Study:

  • To evaluate a novel skull-mounted percutaneous pedestal system for LVAD power delivery.
  • To assess the efficacy of this system in preventing driveline infections in destination therapy patients.
  • To determine the user-friendliness and reliability of the skull-mounted pedestal approach.

Main Methods:

  • Four male patients (61-72 years) with end-stage heart failure received the Jarvik 2000 heart.

Related Experiment Videos

  • A skull-mounted titanium pedestal was used for percutaneous power delivery, inspired by cochlear implant technology.
  • The power cable was routed from the intercostal space to the skull-mounted implant.

    • Main Results:

    • Three out of four patients experienced successful healing and remained infection-free for up to one year.
    • The system demonstrated user-friendliness with an exchangeable external apparatus.
    • One patient developed a subdural hematoma, leading to procedural modifications.

    Conclusions:

    • Skull-mounted percutaneous pedestals show promise in reducing driveline infections for LVAD patients.
    • Rigid fixation and scalp vascularity appear to promote healing and minimize infection risk.
    • This technology offers a reliable and user-friendly alternative for permanent mechanical circulatory support.