Abstract
Background Radiofrequency ablation causes a combination of irreversible and reversible atrial injury. Previous publications have suggested that this can be visualized with a combination of T2-weighted (T2W) and late gadolinium enhancement (LGE) CMR. However, signal intensity (SI) thresholds have not been validated in the atrium. This study sought to compare T2W and LGE with histological findings in an animal model of atrial ablation.
Highlights
Radiofrequency ablation causes a combination of irreversible and reversible atrial injury
Previous publications have suggested that this can be visualized with a combination of T2-weighted (T2W) and late gadolinium enhancement (LGE) CMR
Signal intensity (SI) thresholds have not been validated in the atrium
Summary
James Harrison1,2*, Nick Linton, Sarah A Peel, Amedeo Chiribiri, Anne Yoon Krogh Grøndal, Lars Bloch, Rashed Karim, Steven Williams, Kawal Rhode, Steen Fjord, Matthew Wright, Won Yong Kim, Jacob F Bentzon, Henrik Jensen, Tobias Schaeffter, Reza Razavi, Mark O’Neill. From 16th Annual SCMR Scientific Sessions San Francisco, CA, USA. From 16th Annual SCMR Scientific Sessions San Francisco, CA, USA. 31 January - 3 February 2013
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