Key result
Simultaneous biatrial and noncontact mapping in 50 patients with refractory AF revealed that 44% had ≥2 disparate regional origins of atrial premature beats.
Why the study?
Does simultaneous biatrial and three-dimensional noncontact mapping provide novel information on triggers, initiation, and evolution of spontaneous AF in patients with refractory AF?
Observational (n=50)
Does simultaneous biatrial and three-dimensional noncontact mapping provide novel information on triggers, initiation, and evolution of spontaneous AF in patients with refractory AF?
Simultaneous biatrial and noncontact mapping reveals a biatrial spectrum of spontaneous triggers and organized monomorphic tachycardias in human AF, with more extensive distribution in patients with structural heart disease or persistent AF.
Authors
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Supports expanded trigger mapping in refractory AF; leaves open whether multi-site ablation improves outcomes.
Saksena et al. (2005) conducted an observational in Refractory Atrial Fibrillation (n=50). Simultaneous biatrial and three-dimensional noncontact mapping was evaluated on Origin of atrial premature beats, onset of spontaneous AF and its evolution. Simultaneous biatrial and noncontact mapping in 50 patients with refractory AF revealed that 44% had ≥2 disparate regional origins of atrial premature beats.
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