Does core isolation of critical arrhythmia elements improve long-term success in patients with multiple or unmappable scar-based ventricular tachycardias?
Core isolation is a novel ablation strategy that targets suspected VT isthmus surrogates to achieve exit block, potentially improving long-term success in patients with multiple or unmappable scar-based VTs.
CI is a novel strategy with a discrete and measurable end point beyond VT inducibility to treat patients with multiple or unmappable VTs. The CI region can be selected based on standard characterization of suspected VT isthmus surrogates thus limiting ablation target size. Exit block within the isolated area is achievable in most and may further improve long-term success.
Tzou et al. (2015) studied this question.
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