Key result
Pace mapping during sinus rhythm successfully identified ventricular tachycardia isthmuses, guiding radiofrequency ablation that rendered clinical VTs noninducible in 10 of 11 patients (90.9%).
Why the study?
Can left ventricular pace mapping during sinus rhythm identify the ventricular tachycardia isthmus in patients with VT late after infarction?
Population
11 patients with ventricular tachycardia (VT) late after infarction
Design
Case_series
Authors
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May support isthmus-targeted ablation in post-MI VT; hypothesis-generating from case report and requires prospective validation.
Observational (n=11)
Can left ventricular pace mapping during sinus rhythm identify the ventricular tachycardia isthmus in patients with VT late after infarction?
Pace mapping during sinus rhythm can successfully identify and delineate VT isthmuses, facilitating targeted ablation in patients with post-infarction VT.
Brunckhorst et al. (2004) conducted an observational in Ventricular tachycardia late after infarction (n=11). Pace mapping during sinus rhythm was evaluated on Clinical VTs rendered noninducible by radiofrequency ablation at sites identified by pace mapping. Pace mapping during sinus rhythm successfully identified ventricular tachycardia isthmuses, guiding radiofrequency ablation that rendered clinical VTs noninducible in 10 of 11 patients (90.9%).
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