Abstract #3956
T1-weighted DCE-MRI may be used to visualize different components of RF ablation injury in the myocardium
Sathya Vijayakumar 1,2 , Ravi Ranjan 2 , Nassir F Marrouche 2 , and Eugene G Kholmovski 2,3
1
Surgical Services Clinical Program,
Intermountain Healthcare, Salt Lake City, Utah, United
States,
2
CARMA
Center, University of Utah, Salt Lake City, Utah, United
States,
3
UCAIR,
Radiology, University of Utah, Salt Lake City, Utah,
United States
Radiofrequency (RF) ablation of the left ventricle (LV)
and left atrium (LA) are clinically acceptable therapies
for ventricular tachycardia (VT) and atrial fibrillation
(AF) [1,2]. To the best of our knowledge, there is still
a lack of good understanding of acute cardiac lesion
physiology. It has been shown earlier that serial late
gadolinium enhancement (LGE) imaging of immediately
post-ablation atrial lesions can help differentiate
between transient and permanent injuries based on time
course of lesion enhancement [3]. However, the
characterization of different tissue types immediately
following an RF ablation procedure has never been
addressed. In this work, we use the contrast kinetics of
myocardial tissues to identify and differentiate between
the various regions of ablated tissue.
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