Key result
Successful radiofrequency catheter ablation significantly reduced the 3-year ventricular tachycardia recurrence rate compared to procedural failure or partial success (27% vs 60%, P=0.003).
Why the study?
Does successful radiofrequency catheter ablation reduce ventricular tachycardia recurrence in patients with drug-refractory, haemodynamically tolerated post-infarction VT?
Population
124 consecutive patients with recurrent, drug-refractory, haemodynamically tolerated ventricular tachycardia…
Comparison
Radiofrequency catheter ablation vs Patients with failure or partial result from the…
Design
Cohort
Follow-up
median 41.5 months (interquartile range 30.5-59.5 months)
Authors
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Successful ablation was associated with lower VT recurrence in post-MI patients; supports ablation endpoints but leaves open need for RCTs.
Cohort (n=124)
Yes
Does successful radiofrequency catheter ablation reduce ventricular tachycardia recurrence in patients with drug-refractory, haemodynamically tolerated post-infarction VT?
Absolute Event Rate: 27% vs 60%
p-value: p=0.003
Radiofrequency catheter ablation is effective for recurrent tolerated post-infarction ventricular tachycardia, with successful ablation significantly reducing long-term VT recurrence.
P. Della Bella (2002) conducted a cohort in Post-myocardial infarction ventricular tachycardia (n=124). Radiofrequency catheter ablation vs. Procedural failure or partial result was evaluated on Ventricular tachycardia recurrence rate at 3 years (p=0.003). Successful radiofrequency catheter ablation significantly reduced the 3-year ventricular tachycardia recurrence rate compared to procedural failure or partial success (27% vs 60%, P=0.003).
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