Hyperpolarized 129Xe imaging of the brain: Achievements and future challenges

Y Shepelytskyi, V Grynko, MR Rao, T Li… - Magnetic …, 2022 - Wiley Online Library
Hyperpolarized (HP) xenon‐129 (129Xe) brain MRI is a promising imaging modality
currently under extensive development. HP 129Xe is nontoxic, capable of dissolving in …

Targeting the Multiple Complex Processes of Hypoxia-Ischemia to Achieve Neuroprotection

A Maïza, R Hamoudi, A Mabondzo - International Journal of Molecular …, 2024 - mdpi.com
Hypoxic-ischemic encephalopathy (HIE) is a major cause of newborn brain damage
stemming from a lack of oxygenated blood flow in the neonatal period. Twenty-five to fifty …

Imaging gas‐exchange lung function and brain tissue uptake of hyperpolarized 129Xe using sampling density‐weighted MRSI

GJ Collier, RF Schulte, M Rao… - Magnetic …, 2023 - Wiley Online Library
Purpose Imaging of the different resonances of hyperpolarized 129Xe in the brain and lungs
was performed using a 3D sampling density‐weighted MRSI technique in healthy …

Standalone portable xenon-129 hyperpolariser for multicentre clinical magnetic resonance imaging of the lungs

G Norquay, GJ Collier, OI Rodgers… - The British journal of …, 2022 - academic.oup.com
Objectives Design and build a portable xenon-129 (129Xe) hyperpolariser for clinically
accessible 129Xe lung MRI. Methods The polariser system consists of six main functional …

Hyperpolarized 129Xe MRI of the rat brain with chemical shift saturation recovery and spiral‐IDEAL readout

Y Friedlander, B Zanette, A Lindenmaier… - Magnetic …, 2022 - Wiley Online Library
Purpose To demonstrate the feasibility of 129Xe chemical shift saturation recovery (CSSR)
combined with spiral‐IDEAL imaging for simultaneous measurement of the time‐course of …

Hyperpolarized 129Xe multi‐slice imaging of the human brain using a 3D gradient echo pulse sequence

V Grynko, Y Shepelytskyi, T Li, A Hassan… - Magnetic …, 2021 - Wiley Online Library
Purpose To demonstrate the possibility of performing multi‐slice in‐vivo human brain MRI
using hyperpolarized (HP) xenon‐129 (129Xe) in two different orientations and to calculate …

Magnetic resonance imaging analysis predicts nanoparticle concentration delivered to the brain parenchyma

M Plaksin, T Bercovici, GG Sat Toltsis… - Communications …, 2022 - nature.com
Ultrasound in combination with the introduction of microbubbles into the vasculature
effectively opens the blood brain barrier (BBB) to allow the passage of therapeutic agents …

The effects of an initial depolarization pulse on dissolved phase hyperpolarized 129Xe brain MRI

Y Shepelytskyi, V Grynko, T Li, A Hassan… - Magnetic …, 2021 - Wiley Online Library
Purpose To evaluate the effect of an initial 90° depolarization RF pulse on the dissolved‐
phase hyperpolarized (HP) xenon‐129 (129Xe) brain imaging and to compare the SNR …

Blood-brain barrier dysfunction in intensive care unit

L Le Guennec, N Weiss - Journal of Intensive Medicine, 2023 - mednexus.org
The central nervous system is characterized by a peculiar vascularization termed blood-
brain barrier (BBB), which regulates the exchange of cells and molecules between the …

[HTML][HTML] Measurement and modelling of xenon gas transfer in the human brain with 1H and hyperpolarized 129Xe MRI

G Norquay, MR Rao, JM Wild - Journal of Magnetic Resonance Open, 2024 - Elsevier
Background The feasibility of imaging hyperpolarized 129 Xe dissolved in brain tissue
following inhalation of xenon gas in the lungs has recently been demonstrated in humans …