Yuesong Yang1, Kim A. Connelly2, Subodh B. Joshi2, Tawfiq Zeidan-Shwiri3, Gideon A. Paul3, John J. Graham2, Rhonda Walcarius1, Alexander J. Dick4, Eugene Crystal3
1Imaging Research and IRCCI, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; 2Cardiology, St.Michael's Hospital, Toronto, ON, Canada; 3Cardiology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; 4Cardiology, Ottawa Heart Institute, Ottawa, ON, Canada
Recent studies indicated that myocardial infarct heterogeneity measured on cardiac MRI might predict the appropriate ICD therapy in patients with ischemic heart disease (IHD). However, it is unknown whether papillary muscle involvement (PM-MI) in these patients may play a role in the prediction of appropriate ICD therapy. In this study, we investigated the correlation of myocardial infarct heterogeneity and PM-MI evaluated by cardiac MRI with the appropriate ICD therapy in patients with IHD after ICD implantation.