All MRI scans were acquired on a 3.0T GE DiscoveryTM MR750w Wide Bore MRI scanner (GE Healthcare, Milwaukee, WI, USA) with a 32-channel Nova Head Coil and a software version of DV26.0_R01_1725.a, located at Macquarie Medical Imaging, NSW, Australia. The T1-weighted scans were acquired with a magnetisation-prepared rapid acquisition gradient echo (MPRAGE) pulse sequence with prospective motion correction (PROMO). The following scanning parameters were used: repetition time (TR) = 8.388 ms, echo time (TE) = 3.168 ms, inversion time (TI) = 900 ms, flip angle (FA) = 8°, pixel bandwidth = 244.141 Hz, and acquisition matrix = 256 × 256, 198 slices, yielding 1 mm isotropic voxels. Auto-calibrating reconstruction for Cartesian imaging (ARC) was applied for parallel imaging (acceleration factor = 3 in the phase-encoding direction).
Discovery mr750w wide bore mri scanner
Manufactured by GE Healthcare
Sourced in United States
The Discovery MR750w Wide Bore MRI scanner is a magnetic resonance imaging (MRI) system designed and manufactured by GE Healthcare. It is a wide-bore MRI scanner that utilizes advanced imaging technology to capture high-quality images of the human body. The core function of the Discovery MR750w is to provide medical professionals with detailed visualizations of anatomy and physiological processes for diagnostic and treatment purposes.
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3 protocols using discovery mr750w wide bore mri scanner
1
High-Resolution 3T MRI Acquisition Protocol
2
High-Resolution 3T MRI Acquisition Protocol
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All MRI scans were acquired on a 3.0T GE DiscoveryTM MR750w Wide Bore MRI scanner (GE Healthcare, Milwaukee, WI, USA) with a 32-channel Nova Head Coil and a software version of DV26.0_R01_1725.a, located at Macquarie Medical Imaging, NSW, Australia. The T1-weighted scans were acquired with a magnetisation-prepared rapid acquisition gradient echo (MPRAGE) pulse sequence with prospective motion correction (PROMO). The following scanning parameters were used: repetition time (TR) = 8.388 ms, echo time (TE) = 3.168 ms, inversion time (TI) = 900 ms, flip angle (FA) = 8°, pixel bandwidth = 244.141 Hz, and acquisition matrix = 256 × 256, 198 slices, yielding 1 mm isotropic voxels. Auto-calibrating reconstruction for Cartesian imaging (ARC) was applied for parallel imaging (acceleration factor = 3 in the phase-encoding direction).
3
Multimodal Brain Imaging Protocol
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MRI data are acquired at baseline and 12 months follow-up in participants from the USYD study site using a 3.0T GE DiscoveryTM MR750w Wide Bore MRI scanner (GE Healthcare, Milwaukee, Wisconsin, USA) with a 32-channel Nova Head Coil and a software version of DV26.0_R01_1725.a, located at Macquarie Medical Imaging, New South Wales, Australia. A comprehensive set of imaging sequences is administered to the participants after screening for contraindications. Imaging derived phenotypes will include brain volumetric measures, integrity of white matter microstructures, functional connectivity, measures of brain vascular burdens and cerebral blood flow. Summary and detailed scanning parameters are described in online supplemental tables 7 and 8 . MRI processing plans are described in online supplemental note 5 .
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