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Electric smog: telemetry interference between ICD and LVAD.

David Duncker¹, Thorben König², Johanna Müller-Leisse²

¹Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany. duncker.david@mh-hannover.de.

Herzschrittmachertherapie & Elektrophysiologie

|May 14, 2017

Summary

This summary is machine-generated.

Telemetry interference between new HeartMate 3 left ventricular assist devices (LVAD) and implantable cardioverter-defibrillators (ICD) can occur. Specific placement and pre-implantation testing are suggested to overcome this challenge.

Keywords:

Case report Electromagnetic fields Implantable cardioverter–defibrillator Left ventricular assist device Telemetry interference

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Area of Science:

Cardiology
Biomedical Engineering
Medical Device Technology

Background:

Electromagnetic interference (EMI) between implantable cardioverter-defibrillators (ICDs) and left ventricular assist devices (LVADs) has been a known issue.
Previous generations of ICDs and LVADs experienced telemetry disruptions, largely resolved in current devices.
The introduction of the HeartMate 3, a new fully magnetically levitated centrifugal continuous-flow pump, presents novel challenges.

Observation:

A case of persistent telemetry interference between the HeartMate 3 LVAD and an ICD (Iforia 5) after battery exchange is reported.
Successful initialization of the telemetry handshake required simultaneous use of several specific maneuvers.
This interference highlights potential device-device interactions with newer LVAD technology.

Findings:

The HeartMate 3 LVAD demonstrated tenacious telemetry interference with a contemporary ICD.
Standard troubleshooting or device interaction protocols may be insufficient for this specific combination.
The interference pattern suggests a complex electromagnetic interaction not fully mitigated by current device designs.

Implications:

Clinicians should be aware of potential telemetry issues when implanting ICDs with the HeartMate 3 LVAD.
Pre-implantation strategies, such as device placement, may be crucial for ensuring reliable communication.
Further investigation into device compatibility and electromagnetic compatibility testing is warranted for next-generation cardiac support systems.