Table 1

Targeted Arrhythmias and Ablation Lesions

PAP Arrhythmias (n = 6)Other Sites (n = 29)p Value
Procedure time, min321 ± 85246 ± 900.1
RF ablation time, min23 ± 1511.4 ± 70.007
Endocardial lesion area, cm26.4 ± 3.42.5 ± 2.00.003
Lesion volume, cm32.9 ± 2.10.9 ± 0.70.001
Lesion depth, cm0.72 ± 0.160.49 ± 0.180.01
% lesion on PAP12 ± 10NA

 NA = not applicable; PAP = papillary muscle; RF = radiofrequency energy.