Hyperpolarized 129Xe MRI of the human lung

JP Mugler III, TA Altes - Journal of Magnetic Resonance …, 2013 - Wiley Online Library
By permitting direct visualization of the airspaces of the lung, magnetic resonance imaging
(MRI) using hyperpolarized gases provides unique strategies for evaluating pulmonary …

Functional imaging of the lungs with gas agents

SJ Kruger, SK Nagle, MJ Couch, Y Ohno… - Journal of Magnetic …, 2016 - Wiley Online Library
This review focuses on the state‐of‐the‐art of the three major classes of gas contrast agents
used in magnetic resonance imaging (MRI)—hyperpolarized (HP) gas, molecular oxygen …

Feasibility, tolerability and safety of pediatric hyperpolarized 129Xe magnetic resonance imaging in healthy volunteers and children with cystic fibrosis

LL Walkup, RP Thomen, TG Akinyi, E Watters… - Pediatric …, 2016 - Springer
Abstract Background Hyperpolarized 129 Xe is a promising contrast agent for MRI of
pediatric lung function, but its safety and tolerability in children have not been rigorously …

Using hyperpolarized 129Xe MRI to quantify the pulmonary ventilation distribution

M He, B Driehuys, LG Que, YCT Huang - Academic radiology, 2016 - Elsevier
Rationale and Objectives Ventilation heterogeneity is impossible to detect with spirometry.
Alternatively, pulmonary ventilation can be imaged three-dimensionally using inhaled 129 …

Quantification of regional fractional ventilation in human subjects by measurement of hyperpolarized 3He washout with 2D and 3D MRI

FC Horn, MH Deppe, H Marshall… - Journal of applied …, 2014 - journals.physiology.org
Multiple-breath washout hyperpolarized 3He MRI was used to calculate regional parametric
images of fractional ventilation (r) as the ratio of fresh gas entering a volume unit to the total …

Hyperpolarized and inert gas MRI: the future

MJ Couch, B Blasiak, B Tomanek, AV Ouriadov… - Molecular Imaging and …, 2015 - Springer
Magnetic resonance imaging (MRI) is a potentially ideal imaging modality for noninvasive,
nonionizing, and longitudinal assessment of disease. Hyperpolarized (HP) agents have …

Regional Fractional Ventilation by Using Multibreath Wash-in 3He MR Imaging

H Hamedani, JT Clapp, SJ Kadlecek, K Emami, M Ishii… - Radiology, 2016 - pubs.rsna.org
Purpose To assess the feasibility and optimize the accuracy of the multibreath wash-in
hyperpolarized helium 3 (3He) approach to ventilation measurement by using magnetic …

In vivo regional ventilation mapping using fluorinated gas MRI with an x‐centric FGRE method

AV Ouriadov, MS Fox, MJ Couch, T Li… - Magnetic …, 2015 - Wiley Online Library
Purpose Inert fluorinated gas lung MRI is a new and promising alternative to hyperpolarized
gas lung MRI; it is less expensive and does not require expensive isotopes/polarizers. The …

[HTML][HTML] Functional lung imaging using novel and emerging MRI techniques

CT Foo, D Langton, BR Thompson, F Thien - Frontiers in Medicine, 2023 - frontiersin.org
Respiratory diseases are leading causes of death and disability in the world. While early
diagnosis is key, this has proven difficult due to the lack of sensitive and non-invasive tools …

[HTML][HTML] Ventilation/perfusion relationships and gas exchange: measurement approaches

SR Hopkins - Comprehensive Physiology, 2020 - ncbi.nlm.nih.gov
Abstract Ventilation-perfusion (VA/Q) matching, the regional matching of the flow of fresh gas
to flow of deoxygenated capillary blood, is the most important mechanism affecting the …