1355Real-world observational data confirm the efficacy of atrial antitachycardia pacing in terminating slow and regular atrial tachyarrhythmias in patients wearing implantable cardiac electronic devices. (28th August 2018) - Boriani, G; Iacopino, S; De Rosa, F; Proclemer, A; Infusino, T; Biffi, M; Capucci, A; Pisano, E; Zanotto, G; Tarricone, D; Marras, E; Zaca, V