Adding appendage isolation to heart rhythm ablation treatment

This trial is testing whether adding an extra step to a standard heart rhythm procedure — isolating the left atrial appendage in addition to the pulmonary veins — helps prevent atrial fibrillation from coming back. You would receive a balloon-based ablation procedure, and depending on which group you're in, that procedure might include this additional isolation step. The goal is to see if this combination approach works better than the standard approach alone.

Persistent atrial fibrillation is a serious heart rhythm problem that's hard to treat. Even after standard procedures, the condition often comes back. Researchers believe that isolating an additional part of the heart during the initial procedure might prevent recurrence and improve long-term outcomes for patients.