Ohio State University
Patients undergoing FIRM guided ablation of atrial fibrillation will undergo high resolution MRI imaging to determine correlation of underlying anatomic fibrotic regions with FIRM targeted sites for ablation.
The project will be a prospective trial involving patients consented for a clinically indicated atrial fibrillation (AF) ablation using FIRM mapping. The purpose of the study is to collect additional information before, during, and after the ablation procedure. All patients will undergo a contrast-enhance MRI scanning with gadolinium-based contrast agent prior to the procedure as it provides a 3-dimensional image of both the left atria and right atria. The primary endpoint of this study will be the presence or absence of a correlation between micro-anatomic fibrotic tracks, determined by a com…
Inclusion Criteria: 1. Patients with symptomatic paroxysmal or persistent atrial fibrillation undergoing clinically-indicated ablation procedure employing FIRM mapping with pre-operative MRI. 2. Subjects must be at least 18 years of age. Exclusion Criteria: 1. LAA thrombus present on pre-procedure TEE 2. Unable to undergo MRI imaging 3. Unable to receive gadolinium contrast.
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