The study is conducted in patients with atrial fibrillation undergoing clinically prescribed ablation. The study hypothesis is that ablation at specific sites that are identified to 'drive' the atrial fibrillation may improve the success of the ablation procedure.
Study Type
OBSERVATIONAL
Enrollment
98
University of California, San Diego
La Jolla, California, United States
VA San Diego Medical Center
San Diego, California, United States
Survival Free of Atrial Fibrillation
Using data from cardiac implanted devices when possible, with recurrence defined as 1% recurrence, or data from intermittent 24-72 hour ambulatory ECGs, with recurrence defined as \>30 seconds.
Time frame: 6 -12 months
Termination or Slowing of Atrial Fibrillation During Ablation
Using data from electrophysiological study, to determine termination of AF into sinus rhythm or organized atrial tachycardia. or slowing by 10% in cycle length measured on the coronary sinus.
Time frame: acute
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