Pulsed Field Ablation and Neurocardiology: Inert to Efferents or Delayed Destruction?
Derek Chang1, Andrew Arbogast1, Ikeotunye Royal Chinyere1,2
1Banner University Medicine, Banner Health, Tucson, AZ 85719, USA.
Reviews in Cardiovascular Medicine
|May 20, 2024
Summary
Pulsed field ablation (PFA) shows promise for cardiac arrhythmias, preserving nervous system structures for regeneration. While neuron damage is possible, it is often accompanied by regeneration, suggesting a favorable neurocardiovascular safety profile.
Area of Science:
- Cardiology
- Neuroscience
- Medical Technology
Background:
- Pulsed field ablation (PFA) is an emerging therapy for cardiac arrhythmias.
- Concerns exist regarding potential off-target complications of PFA.
- PFA offers a potentially safer alternative to traditional thermal ablation methods.
Purpose of the Study:
- To review existing data on PFA's impact on the neurocardiovascular system.
- To compare PFA's effects with thermal ablation modalities like radiofrequency and cryoablation.
- To assess the safety and regenerative potential of PFA concerning nervous structures.
Main Methods:
- Review of preclinical and adult clinical data on PFA.
- Analysis of studies investigating PFA's effects on the autonomic nervous system.
- Comparison with histopathologic findings from radiofrequency and cryoablation.
Main Results:
- Preclinical and clinical data suggest PFA preserves critical neural structures.
- Preservation supports long-term nervous regeneration in cardiac and non-cardiac tissues.
- Limited histopathologic data indicate neuron damage is possible but often followed by regeneration.
Conclusions:
- PFA demonstrates a favorable profile for preserving neurocardiovascular structures.
- While neuron damage can occur, regeneration is a common outcome.
- Further histopathologic research is needed to fully elucidate long-term neurocardiovascular effects of PFA.


