Key result
Preprocedural CTA identifies rare inferior pulmonary vein common ostia to guide catheter ablation.
Why the study?
The common ostium of left and right inferior pulmonary veins is an extremely rare variant with limited reported cases undergoing catheter ablation, requiring careful consideration for ablation safety and efficacy.
Preprocedural CTA is important for identifying rare pulmonary vein variants like a common ostium of inferior PVs to ensure safety and efficacy during catheter ablation.
Alerts operators to rare inferior PV ostium during AF ablation; leaves open whether routine CTA improves outcomes.
The common ostium of left and right inferior PVs is an extremely rare variant which was only reported in 16 cases undergoing catheter ablation. Thus, electrophysiologists should be careful about such an exremely rare PV variants for the safety and efficacy of ablation. Pre-procedural CTA is a valuable tool to decide on the ablation strategy in patients with such a very rare PV anomaly.
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Canpolat et al. (2021) studied this question. Pre-procedural CT angiography is valuable for identifying a common ostium of the inferior pulmonary veins, an extremely rare variant reported in only 16 catheter ablation cases.
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