Clinical Impact of Adenosine Triphosphate Injection on Arrhythmogenic Superior Vena Cava in the Context of Atrial Fibrillation Ablation

Atrial Fibrillation Wednesday, May 29th, 2013

CIRCEP: May 17, 2013

Background—Superior vena cava (SVC) is an infrequent yet an important source of atrial fibrillation (AF). The clinical impact of adenosine triphosphate (ATP) injection on arrhythmogenic SVC has not been evaluated.

Methods and Results—43 patients (59 ± 11 years; 32 males) who underwent ATP test for arrhythmogenic SVC after the electrical isolation at either initial procedure or repeat procedure were included. PV antrum isolation was performed at index procedure in all. SVC was isolated following identifying the arrhythmogenicity at index and repeat AF ablation procedure in 34 (79.1%) and 9 (20.9%) patients, respectively.  Read more

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