Multi-vendor standardized sequence for edited magnetic resonance spectroscopy

MG Saleh, D Rimbault, M Mikkelsen, G Oeltzschner… - Neuroimage, 2019 - Elsevier
Spectral editing allows direct measurement of low-concentration metabolites, such as GABA,
glutathione (GSH) and lactate (Lac), relevant for understanding brain (patho) physiology …

Simultaneous edited MRS of GABA and glutathione

MG Saleh, G Oeltzschner, KL Chan, NAJ Puts… - Neuroimage, 2016 - Elsevier
Edited MRS allows the detection of low-concentration metabolites, whose signals are not
resolved in the MR spectrum. Tailored acquisitions can be designed to detect, for example …

Big GABA: Edited MR spectroscopy at 24 research sites

M Mikkelsen, PB Barker, PK Bhattacharyya, MK Brix… - Neuroimage, 2017 - Elsevier
Magnetic resonance spectroscopy (MRS) is the only biomedical imaging method that can
noninvasively detect endogenous signals from the neurotransmitter γ-aminobutyric acid …

Retrospective correction of frequency drift in spectral editing: The GABA editing example

JW van der Veen, S Marenco, KF Berman… - NMR in …, 2017 - Wiley Online Library
GABA levels can be measured using proton MRS with a two‐step editing sequence.
However due to the low concentration of GABA, long acquisition time is usually needed to …

Frequency and phase correction for multiplexed edited MRS of GABA and glutathione

M Mikkelsen, MG Saleh, J Near… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose Detection of endogenous metabolites using multiplexed editing substantially
improves the efficiency of edited magnetic resonance spectroscopy. Multiplexed editing (ie …

Edited 1H magnetic resonance spectroscopy in vivo: Methods and metabolites

AD Harris, MG Saleh… - Magnetic resonance in …, 2017 - Wiley Online Library
The Proton magnetic resonance (1H‐MRS) spectrum contains information about the
concentration of tissue metabolites within a predefined region of interest (a voxel). The …

Simultaneous editing of GABA and GSH with Hadamard‐encoded MR spectroscopic imaging

KL Chan, G Oeltzschner, MG Saleh… - Magnetic resonance …, 2019 - Wiley Online Library
Purpose To evaluate the feasibility of simultaneous MR spectroscopic imaging (MRSI) of
gamma‐aminobutyric acid (GABA) and glutathione (GSH) in the human brain using …

GABA editing with macromolecule suppression using an improved MEGA‐SPECIAL sequence

M Gu, R Hurd, R Noeske, L Baltusis… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose The most common γ‐aminobutyric‐acid (GABA) editing approach, MEGA‐PRESS,
uses J‐editing to measure GABA distinct from larger overlapping metabolites, but suffers …

Impact of frequency drift on gamma‐aminobutyric acid‐edited MR spectroscopy

AD Harris, B Glaubitz, J Near… - Magnetic resonance …, 2014 - Wiley Online Library
Purpose To investigate the quantitative impact of frequency drift on Gamma‐Aminobutyric
acid (GABA+)‐edited MRS of the human brain at 3 Tesla (T). Methods Three sequential …

Gannet: A batch‐processing tool for the quantitative analysis of gamma‐aminobutyric acid–edited MR spectroscopy spectra

RAE Edden, NAJ Puts, AD Harris… - Journal of magnetic …, 2014 - Wiley Online Library
Purpose The purpose of this study is to describe the Gannet toolkit for the quantitative batch
analysis of gamma‐aminobutyric acid (GABA)‐edited MRS data. Materials and Methods …