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Once swallowed, the electrode slides out of the capsule, allowing the physician to make an electrical connection with the esophageal wall--only 1 centimeter away from the left atrium of the heart.
The LAA is a tube-shaped appendage connected to the left atrium of the heart that can potentially hold static blood during an episode of AF, increasing the likelihood of clot formation.
These Phase II results show that this novel treatment approach has the potential to reduce stress to the heart and to reduce enlargement of the left atrium of the heart, which occurs in patients with heart failure," said Dr Scott Solomon, Professor of Medicine at Harvard University and Director of Noninvasive Cardiology at Brigham and Women's Hospital in Boston, USA.
The Atrial Fibrillation (AF) ablation procedure, commonly called Pulmonary Vein Isolation, utilizes ProRhythm's proprietary balloon catheter that is inserted through a vein in the leg of the patient and advanced into the left atrium of the heart.
The left atrial appendage (LAA) is a muscular pouch connected to the left atrium of the heart.
The AMPLATZER Cardiac Plug is an implantable occlusion device designed to prevent blood clots from moving out of the LAA - a small structure off the left atrium of the heart - and causing a stroke.
Clinical research has further demonstrated that a stroke in these patients is linked to a small structure, shaped like a pouch, off the left atrium of the heart called the LAA.
The device is used to reach the left atrium of the heart, which is difficult to access but where some of the most complex arrhythmias (irregular heartbeats) occur.
When the BioSTAR[R] device is deployed at the PFO, an umbrella of FortaFlex[R] sits on both the right and left atrium of the heart, effectively closing the hole between the heart chambers.
The procedure requires a trans-septal approach, making a small hole in the atrial septum to access the left atrium of the heart and a detailed electrophysiological study to detect pulmonary vein electrical potentials.