Abstract
Background Cardiac magnetic resonance (CMR) allows detection of myocardial scar after myocardial infarction. Usually 2D image planes in short-axis and three long axis orientations are obtained. However to plan in patients with scar e.g. complex electrophysiological intervention for reentry arrhythmias, high-resolution 3D information of the scar is highly desirable. This study therefore evaluates the accuracy of self-navigated isotropic 3D-freebreathing CMR with inversion recovery (3D-SNIR) to detect myocardial scar tissue.
Highlights
Cardiac magnetic resonance (CMR) allows detection of myocardial scar after myocardial infarction
Patients after myocardial infarction detected by late gadolinium enhancement on standard 2D inversion recovery sequences (2D LGE) underwent a CMR exam with 3D-SNIR on a 1.5T clinical CMR scanner (Aera, Siemens, Germany)
A total of about 12’000 radial readouts were acquired for each 3D scan during free breathing with 100% respiratory efficiency. 3D LGE datasets were compared to standard 2D LGE for scar tissue detection with Osirix® software
Summary
Cardiac magnetic resonance (CMR) allows detection of myocardial scar after myocardial infarction. 2D image planes in short-axis and three long axis orientations are obtained. To plan in patients with scar e.g. complex electrophysiological intervention for reentry arrhythmias, high-resolution 3D information of the scar is highly desirable. This study evaluates the accuracy of self-navigated isotropic 3D-freebreathing CMR with inversion recovery (3D-SNIR) to detect myocardial scar tissue
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