Abstract #0783

Joint myocardial scar and oedema imaging in the acute STEMI population using a novel one-click bright- and black-blood LGE and T2 mapping sequence

Victor de Villedon de Naide^1,2,3, Edouard Gerbaud⁴, Baptiste Durand^1,2, Manuel Villegas-Martinez^1,2, Kalvin Narceau¹, Kun He¹, Rabea Klaar^5,6, Thaïs Génisson¹, Théo Richard¹, Pauline Gut^1,7, Albrecht Ingo Schmid³, Claire Bazin², Ilyes Benlala², Pierre Jaïs^1,8, Matthias Stuber^1,7,9, Hubert Cochet^1,2, and Aurélien Bustin^1,2,7

¹IHU LIRYC, Heart rhythm disease institute, Université de Bordeaux – INSERM U1045, Bordeaux, France, ²Department of Cardiovascular Imaging, Hôpital Cardiologique du Haut-Lévêque, CHU de Bordeaux, Bordeaux, France, ³Center for Medical Physics and Biomedical Engineering, High Field MR Center, Medical University of Vienna, Vienna, Austria, ⁴Cardiology Intensive Care Unit, Hôpital Cardiologique du Haut-Lévêque, CHU de Bordeaux, Bordeaux, France, ⁵Department of Radiology, LMU University Hospital, LMU Munich, Munich, Germany, ⁶Comprehensive Pneumology Center (CPC-M), Member of the German Center for Lung Research (DZL), Munich, Germany, ⁷Department of Diagnostic and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland, ⁸Department of Cardiac Electrophysiology, Hôpital Cardiologique du Haut-Lévêque, Bordeaux, France, ⁹CIBM Center for Biomedical Imaging, Lausanne, Switzerland

Synopsis

Keywords: Myocardium, Cardiovascular, Tissue characterization, Myocardial infarction, Oedema, Black-blood imaging

Motivation: Cardiovascular magnetic resonance is crucial for prognostic markers assessment, allowing for post-infarction risk stratification. However, these independent markers are obtained through the use of different sequences, inducing complex planning, repetitive breath-holds, uncoregistered images and complex post-processing analysis due to suboptimal scar contrast with gold-standard method.

Goal(s): We propose SPOT-MAPPING, a ‘one-click’ joint black- and bright-blood and T2 mapping sequence providing prognostic markers in patients with acute STEMI.

Approach: SPOT-MAPPING was compared to reference sequences in patients with acute STEMI.

Results: SPOT-MAPPING enabled prognostic markers assessment with no statistically significant differences when compared to reference techniques, in a fast and co-registered fashion.

Impact: The proposed ‘one-click’ SPOT-MAPPING permits easier and faster planning for MR technicians, more comfort for patients with acute STEMI, promoted by fewer breath-holds, and a simplified analysis for medical professionals, through co-registered, qualitative and quantitative images.

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