Key result
Cardioneuroablation may cause AV block requiring a completion procedure targeting the posteromedial left atrial GP.
This case highlights the risk of AV block following incomplete cardioneuroablation and the importance of the posteromedial left atrial ganglionated plexus.
Alerts clinicians to AV block risk after incomplete cardioneuroablation; leaves open optimal ganglionated plexus targeting.
Cardioneuroablation (CNA) is a technique used to modulate cardiac parasympathetic tone in patients with sinoatrial (SA) and atrioventricular (AV) vagally mediated syncope. We describe the case of a patient who developed AV block after a first procedure of CNA, requiring a completion.
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Ascione et al. (2022) studied this question. Cardioneuroablation can result in atrioventricular block after an initial procedure, requiring a completion procedure to address the posteromedial left atrial ganglionated plexus.
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