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Related Experiment Video

Updated: Oct 25, 2025

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A left ventricular assist device interfering with leadless pacemaker implantation.

Jeffrey Smietana1, Andrea Schell1, Naga Venkata K Pothineni1

  • 1Electrophysiology Section, Cardiovascular Medicine Division, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Pacing and Clinical Electrophysiology : PACE
|August 4, 2021
PubMed
Summary

Electromagnetic interference (EMI) from Heartmate 3 left ventricular assist devices (LVAD) can affect cardiac implantable electronic devices. This case study highlights an interaction between a Heartmate 3 LVAD and a Micra pacemaker, necessitating device repositioning.

Keywords:
LVADelectromagnetic Interferenceleadless pacemakerleft ventricular assist devicemicrawireless inhibition

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Devices

Background:

  • Left ventricular assist devices (LVADs) can generate electromagnetic interference (EMI).
  • Patients with LVADs may require cardiac implantable electronic devices (CIEDs).
  • Previous studies suggested leadless pacemakers are safe with certain LVADs.

Observation:

  • A patient with a Heartmate 3 LVAD experienced an interaction with a Micra VR transcatheter pacing system.
  • This interaction led to the need for device repositioning.
  • The specific nature of the interaction was not detailed but required intervention.

Findings:

  • The Heartmate 3 LVAD and Micra VR transcatheter pacing system demonstrated device-to-device interaction.
  • Interference necessitated repositioning of the Micra VR system.
  • This contradicts previous findings of no interaction with similar devices.

Implications:

  • Clinicians must be aware of potential interactions between Heartmate 3 LVADs and leadless pacemakers.
  • Device selection and placement require careful consideration in patients with LVADs.
  • Further research is needed to understand and mitigate EMI between LVADs and CIEDs.