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November 29, 2023JAMA CardiologyOpen Access

Adjacent left circumflex arterial vasospasm frequently occurred with PFA and not RFA but was typically subclinical.

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Why the study?

Does pulsed field ablation compared to radiofrequency ablation cause coronary artery spasm during mitral isthmus ablation in patients with atrial fibrillation?

Population

Patients undergoing mitral isthmus ablation line creation during catheter ablation of AF

Comparison

PFA vs RFA

Authors

CZChi ZhangPNPetr NeužilJPJan Petrů

Discussion

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Overview

PFA mitral isthmus ablation was associated with LCx spasm; leaves open need for monitoring or outcome impact versus RFA.

Structured PICO

Does pulsed field ablation compared to radiofrequency ablation cause coronary artery spasm during mitral isthmus ablation in patients with atrial fibrillation?

P
Population
Patients undergoing catheter ablation of atrial fibrillation with a mitral isthmus ablation line
I
Intervention
Pulsed field ablation (PFA)
C
Comparator
Radiofrequency ablation (RFA)
O
Outcome
Left circumflex arterial vasospasmsafety

Pulsed field ablation of the mitral isthmus is associated with frequent but typically subclinical left circumflex arterial vasospasm compared to radiofrequency ablation.

Cite This Study

Zhang et al. (2023) studied this question.

synapsesocial.com/papers/69de66f77ed287395e558bf0https://doi.org/10.1001/jamacardio.2023.4405
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