Multimodal MRI with Background Gradient Correction

The multimodal MRI protocol was performed using a clinical 3T Philips Ingenia
MR-Scanner (Philips Healthcare, Best, The Netherlands) using a 16-channel
head/neck and 32-channel head receive-coil. Custom patches were applied on
software release R5.1.8 to optimize T₂* imaging by macroscopic
background gradient correction,^{32 (link),33 (link)} to apply multiband imaging (MB)^{34 (link)} and to improve pCASL by 3D GraSE readout, prolonged labeling and improved
background suppression (BGS).³⁵ Details of the imaging protocol were as follows (Figure 1):

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Kaczmarz S., Göttler J., Petr J., Hansen M.B., Mouridsen K., Zimmer C., Hyder F, & Preibisch C. (2020). Hemodynamic impairments within individual watershed areas in asymptomatic carotid artery stenosis by multimodal MRI. Journal of Cerebral Blood Flow & Metabolism, 41(2), 380-396.

Publication 2020

IngeniaMR-Scanner

Head Multimodal Neck

Corresponding Organization : Yale University

Other organizations : Helmholtz-Zentrum Dresden-Rossendorf, Aarhus University

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Variable analysis

independent variables

Custom patches applied on software release R5.1.8 to optimize T2* imaging by macroscopic background gradient correction
Application of multiband imaging (MB)
Improvement of pCASL by 3D GraSE readout, prolonged labeling and improved background suppression (BGS)

dependent variables

T2* imaging

control variables

Clinical 3T Philips Ingenia MR-Scanner (Philips Healthcare, Best, The Netherlands) using a 16-channel head/neck and 32-channel head receive-coil

controls

No positive or negative controls were explicitly mentioned.

Annotations

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