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KMID : 0368120230530050273
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Korean Circulation Journal
2023 Volume.53 No. 5 p.273 ~ p.293
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Pearls and Pitfalls of Pulsed Field Ablation
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Stefan Hartl
Nico Reinsch
Anna Futing
Kars Neven
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Abstract
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Pulsed field ablation (PFA) was recently rediscovered as an emerging treatment modality for the ablation of cardiac arrhythmias. Ultra-short high voltage pulses are leading to irreversible electroporation of cardiac cells subsequently resulting in cell death. Current literature of PFA for pulmonary vein isolation (PVI) consistently reported excellent acute and long-term efficacy along with a very low adverse event rate. The undeniable benefit of the novel ablation technique is that cardiac cells are more susceptible to electrical fields whereas surrounding structures such as the pulmonary veins, the phrenic nerve or the esophagus are not, or if at all, minimally affected, which results in a favorable safety profile that is expected to be superior to the current standard of care without compromising efficacy. Nevertheless, the exact mechanisms of electroporation are not yet entirely understood on a cellular basis and pulsed electrical field protocols of different manufactures are not comparable among one another and require their own validation for each indication. Importantly, randomized controlled trials and comparative data to current standard of care modalities, such as radiofrequency- or cryoballoon ablation, are still missing. This review focuses on the “pearls” and “pitfalls” of PFA, a technology that has the potential to become the future leading energy source for PVI and beyond.
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KEYWORD
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Atrial fibrillation, Ablation, Electroporation, Pulmonary vein isolation, Pulsed field ablation
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