Key result
Patients requiring right-sided pulmonary vein carina ablation had a shorter distance between the anterior portion of the carina and right atrium compared to those who did not (7.7 vs 9.5 mm/m2; P=0.005).
Why the study?
Pulmonary vein carina ablation is occasionally required for pulmonary vein isolation, but the anatomical characteristics that predict its necessity were unclear.
What anatomical characteristics predict the necessity of additional carina ablation for pulmonary vein isolation in patients undergoing atrial fibrillation ablation?
Comparison
Carina ablation required vs not required
Design
Prospective observational study
Authors
Loading...
Shorter carina-RA distance may predict need for right-sided ablation; leaves open whether imaging informs strategy.
Observational (n=45)
What anatomical characteristics predict the necessity of additional carina ablation for pulmonary vein isolation in patients undergoing atrial fibrillation ablation?
Absolute Event Rate: 7.7% vs 9.5%
p-value: p=.005
A shorter interatrial distance for right-sided PVI and a smaller PV ostium for left-sided PVI on pre-procedural CT predict the need for additional carina ablation during AF ablation.
Hanaki et al. (2020) conducted an observational in Atrial fibrillation (n=45). Right-sided pulmonary vein carina ablation requirement vs. No right-sided pulmonary vein carina ablation requirement was evaluated on Distance between the anterior portion of the right-sided pulmonary vein carina and right atrium (mm/m2) (p=.005). Patients requiring right-sided pulmonary vein carina ablation had a shorter distance between the anterior portion of the carina and right atrium compared to those who did not (7.7 vs 9.5 mm/m2; P=0.005).
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: