The inability to determine the extent and intramural depth of ablation lesions can hamper the success of catheter ablation. The study tested the feasibility of differentiating radiofrequency ablation lesions from normal myocardium and quantifying their dimensions by myocardial contrast echocardiography (MCE).
Center for Experimental Cardiac Electrophysiology, Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA. dkhoury@bcm.tmc.edu