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Abstract #0659

MRI for Visualization of Coronary Vein Branches Used for Pacemaker Lead Implantation

Adrian Lam 1 , Luis F Mora-Vieira 2 , Michael Lloyd 2 , and John N Oshinski 2

1 Georgia Institute of Technology, Atlanta, GA, United States, 2 Emory University, GA, United States

In Cardiac Resynchronization Therapy (CRT), the location of the left ventricular (LV) lead plays an important role in dictating patient benefit. The LV lead is delivered through the coronary veins and should be ideally implanted at the latest contracting site that is not predominantly myocardial scar. Since the coronary veins are not imaged until CRT procedure, it is unknown whether a desired implantation location has coronary vein access. The objective of this study is to evaluate the potential of MRI to image the coronary vein branch used for LV lead implantation with validation against the gold standard, retrograde x-ray venography.

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