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January 1, 1990Pacing and Clinical Electrophysiology63 citations

Effects of Radiofrequency Catheter Ablation on Permanent Pacemakers

The Effect of Radiofrequency Catheter Ablation on Permanent Pacemakers: An Experimental Study

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Why the study?

Does transcatheter radiofrequency ablation cause electromagnetic interference and malfunction in permanent pacemakers?

Population

19 pulse generators (16 models from 7 manufacturers) acutely implanted in 12 dogs

Design

Preclinical

Follow-up

Acute (during and after ablation)

Authors

MCMichael ChinMRMårten RosenqvistMLMichael A. Lee

Discussion

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Overview

Radiofrequency ablation performed within 1 cm of a permanent pacing lead can induce severe pacemaker malfunctions, including runaway and false inhibition, highlighting the need for backup pacing and careful monitoring.

Key Points

  • This study aims to assess the impact of transcatheter radiofrequency ablation on the functionality of permanent pacemakers in dogs.
  • Nineteen pulse generators from seven manufacturers were implanted in 12 dogs.
  • A radiofrequency catheter was used to apply current in close proximity to the pacemakers, with four ablation sessions conducted.
  • Ablation power was set to 35 W and delivered for up to 30 seconds while monitoring pacemaker response.
  • Twelve pulse generators were falsely inhibited during ablation in certain modes, with some exhibiting pacemaker runaway during eight ablations.
  • Five pulse generators paced abnormally, and two episodes of ventricular fibrillation occurred.
  • Only three pulse generators were unaffected, and no malfunctions were observed after ablation beyond 4 cm from the lead.

Structured PICO

Does transcatheter radiofrequency ablation cause electromagnetic interference and malfunction in permanent pacemakers?

P
Population
19 pulse generators (16 models from 7 manufacturers) acutely implanted in 12 dogs
I
Intervention
Transcatheter radiofrequency ablation (35 W for up to 30 seconds) delivered approximately 1 cm and 4-5 cm from the permanent pacing lead
O
Outcome
Pulse generator function during and after ablationsafety

Radiofrequency ablation performed within 1 cm of a permanent pacing lead can induce severe pacemaker malfunctions, including runaway and false inhibition, highlighting the need for backup pacing and careful monitoring.

Cite This Study

Chin et al. (1990) studied this question.

synapsesocial.com/papers/6a6fa3dbf44fa9f079dd1b96https://doi.org/10.1111/j.1540-8159.1990.tb01999.x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Acute Effects of Radiofrequency Ablation of Atrial Arrhythmias on Implanted Permanent Pacing Systems1996 · 51 citations
  2. 2Pacemaker Function During Radiofrequency Ablation1995 · 52 citations
  3. 3Extracardiac Radiofrequency Ablation Interferes with Pacemaker Function but Does Not Damage the Device2004 · 40 citations
  4. 4Safety of Pacemaker Implantation Prior to Radiofrequency Ablation of Atrioventricular Junction in a Single Session Procedure2000 · 25 citations
  5. 5Radiofrequency Catheter Atrioventricular Node Ablation in Patients with Permanent Cardiac Pacing Systems1994 · 40 citations