Parallel transmission for ultrahigh field MRI
CM Deniz - Topics in Magnetic Resonance Imaging, 2019 - journals.lww.com
Magnetic resonance imaging (MRI) has been driven toward ultrahigh magnetic fields (UHF)
in order to benefit from correspondingly higher signal-to-noise ratio and spectral resolution …
in order to benefit from correspondingly higher signal-to-noise ratio and spectral resolution …
Evolution of UHF body imaging in the human torso at 7T: technology, applications, and future directions
MA Erturk, X Li, PF Van de Moortele… - Topics in Magnetic …, 2019 - journals.lww.com
The potential value of ultrahigh field (UHF) magnetic resonance imaging (MRI) and
spectroscopy to biomedical research and in clinical applications drives the development of …
spectroscopy to biomedical research and in clinical applications drives the development of …
Universal pulses: a new concept for calibration‐free parallel transmission
Purpose A calibration‐free parallel transmission method is investigated to mitigate the
radiofrequency (RF) field inhomogeneity problem in brain imaging at 7 Tesla (T). Theory and …
radiofrequency (RF) field inhomogeneity problem in brain imaging at 7 Tesla (T). Theory and …
Toward imaging the body at 10.5 tesla
Purpose To explore the potential of performing body imaging at 10.5 Tesla (T) compared
with 7.0 T through evaluating the transmit/receive performance of similarly configured dipole …
with 7.0 T through evaluating the transmit/receive performance of similarly configured dipole …
Fast online‐customized (FOCUS) parallel transmission pulses: a combination of universal pulses and individual optimization
J Herrler, P Liebig, R Gumbrecht… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To mitigate spatial flip angle (FA) variations under strict specific absorption rate
(SAR) constraints for ultra‐high field MRI using a combination of universal parallel transmit …
(SAR) constraints for ultra‐high field MRI using a combination of universal parallel transmit …
Specific absorption rate implications of within‐scan patient head motion for ultra‐high field MRI
Purpose This study investigates the implications of all degrees of freedom of within‐scan
patient head motion on patient safety. Methods Electromagnetic simulations were performed …
patient head motion on patient safety. Methods Electromagnetic simulations were performed …
SmartPulse, a machine learning approach for calibration‐free dynamic RF shimming: preliminary study in a clinical environment
R Tomi‐Tricot, V Gras, B Thirion… - Magnetic resonance …, 2019 - Wiley Online Library
Purpose A calibration‐free pulse design method is introduced to alleviate artifacts in clinical
routine with parallel transmission at high field, dealing with significant inter‐subject …
routine with parallel transmission at high field, dealing with significant inter‐subject …
Progress in imaging the human torso at the ultrahigh fields of 7 and 10.5 T
The provenance of the recent but exploding interest in ultrahigh magnetic fields (UHF,
defined as 7 Tesla (T) and higher) can be traced back to efforts initiated in the mid-70s …
defined as 7 Tesla (T) and higher) can be traced back to efforts initiated in the mid-70s …
Actual patient position versus safety models: Specific Absorption Rate implications of initial head position for Ultrahigh Field Magnetic Resonance Imaging
E Kopanoglu - NMR in Biomedicine, 2023 - Wiley Online Library
Specific absorption rate (SAR) relates power absorption to tissue heating, and therefore is
used as a safety constraint in magnetic resonance imaging (MRI). This study investigates the …
used as a safety constraint in magnetic resonance imaging (MRI). This study investigates the …
A digital twin for parallel liquid-state nuclear magnetic resonance spectroscopy
One approach to increasing nuclear magnetic resonance measurement sample throughput
is to implement multiple, independent detection sites. However, the presence of radio …
is to implement multiple, independent detection sites. However, the presence of radio …