Key result
Radiofrequency catheter ablation of scar-related right atrial tachycardias resulted in 4 of 7 patients (57.1%) remaining free from atrial tachycardias over a 34-month follow-up.
Why the study?
Does radiofrequency catheter ablation prevent recurrence of atrial tachycardias in patients with spontaneous right atrial scarring and MRAT without prior cardiac surgery?
Observational (n=7)
Does radiofrequency catheter ablation prevent recurrence of atrial tachycardias in patients with spontaneous right atrial scarring and MRAT without prior cardiac surgery?
Catheter ablation of scar-related right atrial tachycardias in patients without prior cardiac surgery is effective but does not preclude the development of further tachycardias during long-term follow-up.
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May support ablation feasibility in spontaneous right atrial scar; leaves open long-term efficacy and generalizability beyond small case series.
Wieczorek et al. (2013) conducted an observational in Macroreentrant atrial tachycardias with spontaneous right atrial scarring (n=7). Electroanatomic mapping and radiofrequency catheter ablation was evaluated on Freedom from atrial tachycardias during follow-up. Radiofrequency catheter ablation of scar-related right atrial tachycardias resulted in 4 of 7 patients (57.1%) remaining free from atrial tachycardias over a 34-month follow-up.
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