Key result
Pulmonary vein electrogram characteristics varied significantly by location, with inferior PVs showing a higher incidence of conduction block than superior PVs (50.0% vs 25.5%, P=0.03).
Why the study?
What are the electrogram characteristics of pulmonary veins in patients with paroxysmal atrial fibrillation?
Population
139 patients, comprising 129 with paroxysmal atrial fibrillation and 10 with a concealed left-sided…
Design
Cross-sectional
Authors
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May warrant location-specific PV mapping in paroxysmal AF; leaves open impact on ablation outcomes.
Observational (n=139)
What are the electrogram characteristics of pulmonary veins in patients with paroxysmal atrial fibrillation?
Absolute Event Rate: 50% vs 25.5%
p-value: p=0.03
Pulmonary vein electrogram characteristics vary significantly by anatomical location, highlighting the need for detailed mapping during ablation of paroxysmal AF.
HSIEH et al. (2000) conducted an observational in Paroxysmal Atrial Fibrillation (n=139). Pulmonary vein electrogram mapping vs. Different pulmonary vein locations (inferior vs superior, distal vs ostial) was evaluated on Incidence of conduction block in the PVs during AF initiation (inferior vs superior PVs) (p=0.03). Pulmonary vein electrogram characteristics varied significantly by location, with inferior PVs showing a higher incidence of conduction block than superior PVs (50.0% vs 25.5%, P=0.03).
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