CMR helps in detecting ablation lesions in myocardial infarction; claims study
Ablation lesions can be detected by CMR after VT ablation in post-infarction patients and have a different appearance than scar tissue, suggests the findings of a recent study,published in the JACC Cardiovascular Imaging.
Ventricular tachycardia (VT) ablation is now frequently performed, with the rate of use of these procedures increasing substantially in the last decade . Cardiovascular magnetic resonance (CMR)-based identification of the critical isthmus sites may be used to guide ablation toward these targets , and the therapeutic lesions themselves can be directly visualized using native (non-contrast enhanced) CMR.
A major potential value of intra-procedural CMR imaging lies in the ability to directly visualize and interpret the functional effect of therapeutic ablation lesions during the period when intra-procedural modification is possible. It is therefore important to identify how different aspects of CMR information evolve in this time window and how this information might be related to conventional electrophysiology (EP) endpoints.
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