Key result
Radiofrequency catheter ablation successfully terminated type I atrial flutter, reducing inappropriate ICD discharges from 40 episodes to 0 over 12 months of follow-up in a single patient.
Why the study?
Does radiofrequency catheter ablation prevent inappropriate ICD discharges in patients with atrial flutter?
Case Report (n=1)
Does radiofrequency catheter ablation prevent inappropriate ICD discharges in patients with atrial flutter?
Radiofrequency catheter ablation is an effective and curative approach to prevent inappropriate ICD shocks caused by atrial flutter.
Answers are grounded in this paper and cite their sources.
Supports ablation to curb flutter-related ICD shocks; leaves open need for controlled trials.
The case of a patient with recurrent VT and an ICD is reported. After appropriate device discharges, the patient experienced 40 episodes of inappropriate shock therapy due to atrial arrhythmias confirmed as type I atrial flutter. Since programmed stimulation could reliably initiate atrial flutter, catheter ablation was performed. During delivery of RF current, atrial flutter terminated and was no longer inducible. The patient had no further inappropriate device discharges during 12 months of follow-up. In patients with ICDs suffering from recurrences of atrial flutter leading to inappropriate shock therapy, RF catheter ablation is an effective and curative approach.
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Schumacher et al. (1997) conducted a case report in Atrial flutter causing inappropriate ICD discharge (n=1). Radiofrequency catheter ablation was evaluated on Inappropriate device discharges. Radiofrequency catheter ablation successfully terminated type I atrial flutter, reducing inappropriate ICD discharges from 40 episodes to 0 over 12 months of follow-up in a single patient.
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