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| http://dx.doi.org/10.1016/j.jcmg.2020.06.009 | DOI Listing |
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Risk Stratification of Sudden Cardiac Death in Nonischemic Dilated Cardiomyopathy: Arrhythmogenic Substrate Assessment in Cardiac MRI.
Radiology
September 2025
Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Background MRI-derived arrhythmogenic substrate, including late gadolinium enhancement (LGE) and extracellular volume fraction (ECV), is indicative of sudden cardiac death (SCD) risk in nonischemic dilated cardiomyopathy (DCM). The relative prognostic value of LGE and ECV remains unclear. Purpose To evaluate the performance of LGE and T1 mapping in predicting SCD in patients with DCM and to explore clinical implementation.
View Article and Find Full Text PDFCase Report: From multimodality imaging to catheter ablation of ventricular arrhythmias in arrhythmogenic mitral valve prolapse.
Front Physiol
August 2025
Department of Electrophysiology, King Abdulaziz Cardiac Center, King Abdullah International Medical Research Center (KAIMRC), MNGHA, King Abdulaziz Medical City, Riyadh, Saudi Arabia.
Background: Mitral valve prolapse (MVP) is a common condition, typically benign, but in a small subset of patients, it may lead to life-threatening arrhythmias and sudden cardiac death (SCD). This arrhythmogenic MVP phenotype is often associated with bileaflet prolapse, mitral annular disjunction (MAD), and myocardial fibrosis identified via late gadolinium enhancement (LGE) on cardiac MRI.
Case Summary: Our patient is a 49-year-old man presented with monomorphic ventricular tachycardia and near-syncope.
Evaluation of 4D Flow MRI-Derived Aortic Hemodynamics and Their Relationships With Left Ventricular Remodeling in Patients With Moderate Aortic Stenosis: A Preliminary Study.
Echocardiography
September 2025
Department of Radiology, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
Purpose: Identifying factors associated with left ventricular (LV) remodeling is important for risk stratification of patients with moderate aortic stenosis (AS). The aim of this preliminary study was to explore aortic hemodynamics in these patients and assess their relationships with LV remodeling using four-dimensional (4D) flow magnetic resonance imaging (MRI).
Method: Data from 17 patients with moderate AS involving the tricuspid aortic valves and normal LV ejection fraction (EF > 55%) were analyzed.
Left ventricular remodeling index to predict ventricular tachyarrhythmia in dilated cardiomyopathy with ejection fraction < 35.
Insights Imaging
August 2025
Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases of China, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Objectives: To assess the left ventricular remodeling index (LVRI) for predicting ventricular tachyarrhythmia (VTA) in patients with dilated cardiomyopathy (DCM) with left ventricular ejection fraction (LVEF) < 35%.
Materials And Methods: In this retrospective single-center study, consecutive DCM patients with LVEF < 35% (n = 271) who underwent cardiac magnetic resonance (CMR) imaging were followed up. The study endpoint was VTA, including sudden cardiac death and major ventricular arrhythmias.
The Relationship Between Electrocardiographic Findings and Cardiac Magnetic Resonance Results in Patients with Acute Myocarditis: A Retrospective Analysis.
Medicina (Kaunas)
August 2025
Apostolos Loukas Medical Center, 2415 Nicosia, Cyprus.
Electrocardiography (ECG), though non-specific, is widely applied as a valuable tool in the diagnostic work-up of acute myocarditis. Cardiac magnetic resonance (CMR) has become a key non-invasive tool. This study assessed the association of ECG findings (at baseline), echocardiographic parameters, circulating biomarkers, and CMR imaging features (myocardial edema and late gadolinium enhancement-LGE) in patients with acute myocarditis.
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