The Effect of Contact Force in Atrial Radiofrequency Ablation
Electroanatomical, Cardiovascular Magnetic Resonance, and Histological Assessment in a Chronic Porcine Model
Steven E. Williams, James Harrison, Henry Chubb, Lars Ølgaard Bloch, Niels Peter Andersen, Høgni Dam, Rashed Karim, John Whitaker, Jaswinder Gill, Michael Cooklin, C. Aldo Rinaldi, Kawal Rhode, Matthew Wright, Tobias Schaeffter, Won Yong Kim, Henrik Jensen, Reza Razavi and Mark D. O'Neill
Posterior right atrial wall thickness measured on T2-weighted (T2W) images was increased post-ablation (left, white arrows). T2W wall thickness was significantly greater for HF regions compared with LF regions for both caudal and cranial ablation zones (right). ∗p < 0.05. RA = right atrium; RV = right ventricle; other abbreviations as in Figure 2.