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MRI in Patients Undergoing Cardiac Ablation for Ventricular Tachycardia

Principal Investigator: Henry Halperin, M.D., M.A.

Study Coordinator: Rozann Hansford, R.N., M.P.H.

Study Coordinator
Contact Phone: 410-614-6013

Study Coordinator Email:

Study Short Title: MRI in Patients Undergoing Cardiac Ablation for Ventricular Tachycardia

Study Long Title: Cardiac Magnetic Resonance Imaging in the Setting of Implantable Cardioverter Defibrillators to Assess Substrate for Ventricular Tachycardia

IRB#: 05-07-22-02

Funding Source: National Heart Lung and Blood Institute/ The Donald W. Reynolds Foundation

Summary of Trial:

Patients with implanted cardiac defibrillators who are scheduled to have a cardiac ablation for ventricular tachycardia undergo an MRI of the heart “pre” procedure to identify scar and to help guide the ablation. Some patients also undergo MRI post procedure and 8 weeks post procedure to help determine whether or not the ablation was successful.

Inclusions: Patients with and ICD; history of ventricular tachycardia and poor heart function in whom myocardial scar is presumed to be identifiable on MRI.


Patients whose ICD’s are not safe to undergo MRI.
Patients with poor renal function (GFR<30 mL/min) who are not candidates for Gadolinium.

Clinical Trial Site:

Johns Hopkins Hospital
Blalock 5
600 N.Wolfe Street
Baltimore, Md. 21205


$150.00 for the post procedure MRI only (the pre-procedure MRI is considered standard of care for patients undergoing VT ablation).

Start Date: 8-30-05

Anticipated End Date: 8-30-10