Risk of Collateral Lead Damage in Percutaneous Cardiac Implantable Electronic Device Extraction

JACC. Clinical Electrophysiology
Faris KhanVictor G Pretorius

Abstract

This study sought to assess the risk of collateral lead damage during cardiac implantable electronic device extraction. With the increasing numbers of cardiovascular implantable electronic devices, there has been an increase in the number of percutaneous device and lead extractions. It is unknown how often collateral damage (defined as the need for unintended lead extraction, or loss of lead's integrity or dislodgement) occurs in the planned retained leads. In this retrospective study, 108 patients who underwent incomplete cardiovascular implantable electronic device removal at the University of California, San Diego from September 2010 to September 2015 were included. The authors established the integrity of previously functioning leads at the end of each procedure as well as on follow-up visits using parameters including lead impedance change, threshold change, drop in P- or R-wave signal amplitude, or presence of lead noise. Only 4 of 143 leads (2.7%) were found to have collateral damage. One right atrial (RA) lead had a clear insulation break, the second RA lead was found dislodged, and the third RA had a constant noise. The right ventricular lead was found to have a new high pacing threshold. Collateral lead age, extracted...Continue Reading

References

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