Key result
Radiofrequency catheter ablation of anatomic isthmuses for VT in repaired congenital heart disease yielded 0 recurrences over 46 months among the 74% of patients achieving procedural success.
Why the study?
Does radiofrequency catheter ablation of anatomic isthmuses prevent VT recurrence in adults with repaired congenital heart disease?
Population
34 adults with repaired congenital heart disease and ventricular tachycardia, mean age 49±13 years, 74%…
Design
Cohort
Follow-up
46±29 months
Authors
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Supports isthmus ablation for VT in repaired CHD with procedural success; hypothesis-generating pending randomized trials.
Cohort (n=34)
Yes
Does radiofrequency catheter ablation of anatomic isthmuses prevent VT recurrence in adults with repaired congenital heart disease?
Absolute Event Rate: 0% vs 44.4%
Radiofrequency catheter ablation of anatomic isthmuses is highly effective for preventing VT recurrence in adults with repaired congenital heart disease, particularly those with preserved ventricular function.
Kapel et al. (2014) conducted a cohort in Ventricular tachycardia in repaired congenital heart disease (n=34). Radiofrequency catheter ablation (isthmus block) vs. Unsuccessful procedural ablation was evaluated on Ventricular tachycardia recurrence. Radiofrequency catheter ablation of anatomic isthmuses for VT in repaired congenital heart disease yielded 0 recurrences over 46 months among the 74% of patients achieving procedural success.
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