Why the study?
Do pulmonary vein anatomical variants predispose to the development of atrial fibrillation?
Population
166 consecutive patients with atrial fibrillation prior to AF ablation, and a sex- and age-matched control…
Comparison
Presence of pulmonary vein anatomical variants… vs Sex- and age-matched control group without…
Design
Case-control, Images were evaluated by two independent observers.
Authors
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LCO was associated with AF; hypothesis-generating for predisposition, should not yet change practice.
Do pulmonary vein anatomical variants predispose to the development of atrial fibrillation?
Left common ostia of the pulmonary veins are significantly more prevalent in patients with atrial fibrillation, suggesting this anatomical variant may predispose individuals to AF development.
Bittner et al. (2011) studied this question.
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