Why the study?
LGE-CMR identifies arrhythmogenic substrate to guide VT ablation and improves outcomes, but its availability may be limited.
Does multidetector cardiac computed tomography (MDCT) accurately detect heterogeneous tissue channels compared to late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) in ischaemic patients undergoing ventricular tachycardia ablation?
Population
30 ischaemic patients undergoing VT substrate ablation
Comparison
MDCT imaging vs LGE-CMR
Design
Blinded comparative imaging study
Authors
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MDCT shows modest accuracy detecting channels versus CMR in ischaemic VT; leaves open prospective validation of hybrid imaging utility.
Does multidetector cardiac computed tomography (MDCT) accurately detect heterogeneous tissue channels compared to late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) in ischaemic patients undergoing ventricular tachycardia ablation?
MDCT has modest overall sensitivity for detecting arrhythmogenic substrate channels compared to LGE-CMR in ischaemic patients, though performance is better for epicardial and transmural scars.
Jáuregui et al. (2020) studied this question.
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