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Published on: May 22, 2018

Adenosine-dependent concealed accessory pathway.

Diana Tint¹, Csaba Kun, Ildiko Beke

¹Institute of Cardiology, University of Debrecen, Debrecen, Hungary.

Pacing and Clinical Electrophysiology : PACE

|March 23, 2011

Summary

This summary is machine-generated.

Adenosine can reveal hidden accessory pathways after ablation, which usually conduct only when adenosine is administered. This finding may help reduce recurrence rates after accessory pathway ablation procedures.

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Area of Science:

Electrophysiology
Cardiology

Background:

Adenosine is commonly used post-radiofrequency (RF) ablation to assess retrograde accessory pathway conduction by blocking the atrioventricular node.
Assessing accessory pathway conduction is crucial for preventing arrhythmia recurrence after ablation.

Observation:

A concealed accessory pathway was observed to conduct transiently only after adenosine administration.
This represents the first report of an adenosine-dependent concealed accessory pathway.

Findings:

Adenosine administration can elicit conduction in previously undetectable accessory pathways.
Dormant accessory pathway conduction can be unmasked by adenosine post-RF ablation.

Implications:

This finding has potential clinical implications for reducing accessory pathway ablation recurrence.
It provides valuable insights into adenosine's ability to elicit dormant conduction, relevant to pulmonary vein isolation procedures.