Ventricular ectopy following accessory pathway ablation in WPW syndrome
Massimo Saviano1, Filippo Toriello1, Lucia Barbieri1
1Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via Francesco Sforza 35, 20122 Milano, Italy.
Journal of Electrocardiology
|October 25, 2021
Summary
Transient ventricular accelerated rhythm can occur after accessory pathway ablation. This automatic activity typically resolves within an hour without intervention, though its exact cause requires further study.
Area of Science:
- Cardiology
- Electrophysiology
- Cardiac Anatomy
Background:
- Accessory pathways are known to cause automatic activity, but the mechanisms remain unclear.
- Potential causes include myocardial embryogenesis or specific excitability during radiofrequency ablation.
Purpose of the Study:
- To report on the transient occurrence of ventricular accelerated rhythm following accessory pathway ablation.
- To investigate the underlying mechanisms and clinical implications of this phenomenon.
Main Methods:
- Case observation of ventricular accelerated rhythm post-radiofrequency ablation.
- Analysis of the timing and resolution of the accelerated rhythm.
Main Results:
- Ventricular accelerated rhythm transiently arose from the ventricular edge of accessory pathways immediately after ablation.
- The phenomenon self-extinguished within approximately one hour without requiring further intervention.
Conclusions:
- This transient rhythm may be an effect of thermal injury or intrinsic automaticity.
- Further reporting and investigation are needed to fully document and understand this manifestation.
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