Abstract #3683

3D Whole-Heart Coronary Magnetic Resonance Angiography at 0.55T: A Clinical Feasibility Study in Patients with Cardiovascular Disease

Simon John Littlewood¹, Carlos Castillo-Passi^1,2,3, Michael G Crabb¹, Donguye Si¹, Anastasia Fotaki¹, Karl P Kunze⁴, Claudia Prieto^1,3,5, and René M Botnar^1,2,3,5,6

¹King's College London, London, United Kingdom, ²Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile, ³Millennium Institute for Intelligent Healthcare Engineering, Santiago, Chile, ⁴MR Research Collaborations, Siemens Healthcare Limited, Camberly, United Kingdom, ⁵School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile, ⁶Institute for Advanced Study, Technical University of Munich, Garching, Germany

Synopsis

Keywords: Atherosclerosis, Low-Field MRI

Motivation: Low-field (<1T) MRI is gaining interest and may provide a solution to traditional high purchase and running costs.

Goal(s): To utilise 3D coronary MRA (CMRA) at 0.55T to assess coronary anatomy in patients with cardiovascular disease (CVD).

Approach: Seventeen patients with suspected CVD were scanned using 3D CMRA at 0.55T. Each coronary artery was assessed for image quality and presence of coronary artery disease.

Results: The mean image quality score for each vessel was, LAD: 3.1 (SD=0.8); LCx: 2.8 (SD=0.8); RCA: 3.5 (SD=0.5). Average scan time was ~8 minutes. Coronary artery disease was successfully detected.

Impact: This work demonstrates the feasibility of coronary artery assessment using 3D CMRA at 0.55T in patients with cardiovascular disease.

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