Cardiac MRI allows evaluation of different ablation techniques in patients undergoing pulmonary vein ablation

2010 
Methods 20 patients (14 male, 63,1 ± 9,1 y) with paroxysmal AF were included. 10 patients underwent PVAI with radiofrequency ablation (RFA), whereas the others received ablation with Cryoballoon (CBA). All patients were scheduled for CMR (Espree 1.5 T, Siemens, Germany) before, acute, and 24 hours after PVI. For pulmonary veins, cross sectional diameter, angiography of pulmonary veins and flow measurements of the right inferior pulmonary vein (RIPV) were performed.
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