Accelerated MR spectroscopic imaging—a review of current and emerging techniques

W Bogner, R Otazo, A Henning - NMR in Biomedicine, 2021 - Wiley Online Library
Over more than 30 years in vivo MR spectroscopic imaging (MRSI) has undergone an
enormous evolution from theoretical concepts in the early 1980s to the robust imaging …

Clinical high-resolution 3D-MR spectroscopic imaging of the human brain at 7 T

L Hingerl, B Strasser, P Moser, G Hangel… - Investigative …, 2020 - journals.lww.com
Objectives Available clinical magnetic resonance spectroscopic imaging (MRSI) sequences
are hampered by long scan times, low spatial resolution, strong field inhomogeneities …

Motion correction in magnetic resonance spectroscopy

MG Saleh, RAE Edden, L Chang… - Magnetic resonance in …, 2020 - Wiley Online Library
In vivo proton magnetic resonance spectroscopy and spectroscopic imaging (MRS/MRSI)
are valuable tools to study normal and abnormal human brain physiology. However, they …

Motion correction methods for MRS: experts' consensus recommendations

OC Andronesi, PK Bhattacharyya, W Bogner… - NMR in …, 2021 - Wiley Online Library
Long acquisition times due to intrinsically low signal‐to‐noise ratio and the need for highly
homogeneous B0 field make MRS particularly susceptible to motion or scanner instability …

Whole-slice mapping of GABA and GABA+ at 7T via adiabatic MEGA-editing, real-time instability correction, and concentric circle readout

P Moser, L Hingerl, B Strasser, M Považan, G Hangel… - Neuroimage, 2019 - Elsevier
Abstract An adiabatic MEscher-GArwood (MEGA)-editing scheme, using asymmetric
hyperbolic secant editing pulses, was developed and implemented in a B 1+-insensitive, 1D …

[HTML][HTML] Effects of SSRI treatment on GABA and glutamate levels in an associative relearning paradigm

B Spurny, T Vanicek, R Seiger, MB Reed, M Klöbl… - Neuroimage, 2021 - Elsevier
Impaired cognitive flexibility represents a widespread symptom in psychiatric disorders,
including major depressive disorder (MDD), a disease, characterized by an imbalance of …

Inter‐subject stability and regional concentration estimates of 3D‐FID‐MRSI in the human brain at 7 T

G Hangel, B Spurny‐Dworak, P Lazen… - NMR in …, 2021 - Wiley Online Library
Purpose Recently, a 3D‐concentric ring trajectory (CRT)‐based free induction decay (FID)‐
MRSI sequence was introduced for fast high‐resolution metabolic imaging at 7 T. This …

Intra‐session and inter‐subject variability of 3D‐FID‐MRSI using single‐echo volumetric EPI navigators at 3T

P Moser, K Eckstein, L Hingerl, M Weber… - Magnetic resonance …, 2020 - Wiley Online Library
Purpose In this study, we demonstrate the first combination of 3D FID proton MRSI and
spatial encoding via concentric‐ring trajectories (CRTs) at 3T. FID‐MRSI has many benefits …

Neurocognitive performance in relapsing-remitting multiple sclerosis patients is associated with metabolic abnormalities of the thalamus but not the hippocampus …

E Kantorová, P Hnilicová, W Bogner… - Neurological …, 2022 - Taylor & Francis
Objectives Multiple sclerosis (MS) is an inflammatory demyelinating disease that may cause
physical disabling as well as cognitive dysfunction. The presented study investigated how …

Non‐Cartesian GRAPPA and coil combination using interleaved calibration data–application to concentric‐ring MRSI of the human brain at 7T

P Moser, W Bogner, L Hingerl… - Magnetic …, 2019 - Wiley Online Library
Purpose Proton MR spectroscopic imaging (MRSI) benefits from B0≥ 7T and multichannel
receive coils, promising substantial resolution improvements. However, MRSI acquisition …