Atrial Fibrillation Clinical Trial
Official title:
Pilot Study of OFDI Capsule Imaging of the Esophagus of Patients With Atrial Fibrillation Following RF Ablation
12 patients with Atrial Fibrillation, a kind of irregular heart beat who have undergone Radio
frequency (RF) ablation will be asked to swallow the capsule.
As they swallow the capsule, images of the esophagus will be taken to see if the RF ablation
caused any form of damage to the esophagus considering it being so close to the heart.
After the capsule has been removed from the mouth, they will be asked about the tolerability
of the capsule.
A total of 12 patients with a known diagnosis of Atrial Fibrillation who have previously
undergone Atrial RF ablation will be enrolled in the study. Patients will be asked to swallow
the OFDI capsule while being unsedated. The capsule is attached to a tether that allows the
capsule operator to navigate the capsule as it progresses down the esophagus using natural
propulsion called peristalsis as well as to bring it back up to pulled out of the mouth when
the procedure is done.
As the capsule progresses down the esophagus, multiple, two dimensional, microscopic cross-
sectional images of the esophagus are acquired.
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