en.Wedoany.com Reported - The AVANT GUARD trial, comparing pulsed field ablation (PFA) with antiarrhythmic drugs (AAD) in patients with persistent atrial fibrillation, showed that PFA is superior to drugs in reducing asymptomatic atrial fibrillation, but its safety outcomes and symptom improvement were disappointing. Conducted by researchers in the United States and North America, the trial enrolled 310 patients randomized to receive treatment with Boston Scientific's Farapulse PFA system (207 patients) or AAD therapy (103 patients).

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