Abstract #1562

Evaluation of non-contrast free-breathing compressed SENSE T1-TFE cardiac MRI at 3T in young children with congenital heart diseases

Inka Ristow¹, Shuo Zhang², Caroline-Viktoria Hancken³, Maria Stark⁴, Carsten Rickers⁵, Christoph Katemann², Peter Bannas¹, Gerhard Adam¹, Jochen Herrmann³, Lennart Well¹, and Julius Matthias Weinrich³

¹Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ²Philips GmbH Market DACH, Hamburg, Germany, ³Department of Diagnostic and Interventional Radiology and Nuclear Medicine, Section of Pediatric Radiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ⁴Institute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ⁵University Heart Center, Adult Congenital Heart Disease Unit, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Synopsis

High-quality cardiac MRI at 3T in sedated children with congenital heart disease (CHD) is challenging, because of field inhomogeneities and free breathing motions. Therefore, we aimed to employ the non-contrast free-breathing generic T1-weighted turbo-field echo (TFE) sequence with compressed sensing reconstruction for assessment of vessel diameters and evaluation of the intra- and extracardiac structures in children with CHD aged <5 years. Our results show a highly reliable clinical applicability for intra- and extracardiac structures with significantly higher accuracy in comparison to contrast-enhanced MR-angiography and 3D-Dixon sequences.

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