MARLBOROUGH, Mass., Dec. 28, 2023 /PRNewswire/ -- Boston Scientific Corporation (NYSE: BSX) has initiated the AVANT GUARD clinical trial to evaluate the safety and effectiveness of the FARAPULSE™ Pulsed Field Ablation (PFA) System* as a first-line treatment for persistent atrial fibrillation (AF), the only trial to study the use of PFA as frontline therapy in patients with this form of AF. Outcomes of ablation with the FARAPULSE PFA System – a nonthermal treatment in which electric fields selectively ablate ...