Whole Lung Morphometry with Hyperpolarised 3He Gas Diffusion MRI-3D Multiple b-value Acquisition and Compressed Sensing

HF Chan, NJ Stewart, J Parra-Robles, GJ Collier… - archive.ismrm.org
Compressed sensing (CS) was implemented to reduce scan time and facilitate acquisition of
3D multiple b-value 3 He diffusion-weighted (DW) MRI data for whole lung morphometry. A …

Whole lung morphometry with 3D multiple b‐value hyperpolarized gas MRI and compressed sensing

HF Chan, NJ Stewart, J Parra‐Robles… - Magnetic resonance …, 2017 - Wiley Online Library
Purpose To demonstrate three‐dimensional (3D) multiple b‐value diffusion‐weighted (DW)
MRI of hyperpolarized 3He gas for whole lung morphometry with compressed sensing (CS) …

3D diffusion‐weighted 129Xe MRI for whole lung morphometry

HF Chan, NJ Stewart, G Norquay… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose To obtain whole lung morphometry measurements from 129Xe in a single breath‐
hold with 3D multiple b‐value 129Xe diffusion‐weighted MRI (DW‐MRI) with an empirically …

Lung morphometry using hyperpolarized 129Xe multi‐b diffusion MRI with compressed sensing in healthy subjects and patients with COPD

H Zhang, J Xie, S Xiao, X Zhao, M Zhang, L Shi… - Medical …, 2018 - Wiley Online Library
Purpose To demonstrate the feasibility of compressed sensing (CS) to accelerate the
acquisition of hyperpolarized (HP) 129Xe multi‐b diffusion MRI for quantitative assessments …

Assessment of pulmonary morphometry using hyperpolarized 129Xe diffusion‐weighted MRI with variable‐sampling‐ratio compressed sensing patterns

Q Zhou, H Li, Q Rao, M Zhang, X Zhao, L Shen… - Medical …, 2023 - Wiley Online Library
Abstract Background Hyperpolarized (HP) 129Xe multiple b‐values diffusion‐weighted
magnetic resonance imaging (DW‐MRI) has been widely used for quantifying pulmonary …

3D mapping of whole lung morphometry with 129Xe diffusion-weighted MRI and compressed sensing: comparison with 3He

HF Chan, N Stewart, J Parra-Robles… - Proceedings of the …, 2017 - archive.ismrm.org
3D whole lung morphometry maps were acquired with 129 Xe DW-MRI and compressed
sensing. Prospective three-fold undersampled 3D 129 Xe lung morphometry (Lm D) maps …

Single breath-hold, whole lung morphometry with hyperpolarized 3he using parallel imaging

YV Chang, JD Quirk, M Castro… - International Society for …, 2015 - archive.ismrm.org
Although diffusion-based in vivo lung morphometry with hyperpolarized gases MRI is a
powerful tool to study lung diseases, it is usually performed in a 2D mode with only a few …

Feasibility of 129Xe MRI Morphometry Measurements with acceleration Factors of 7 and 10

A Ouriadov, A Westcott, DG McCormack… - Proceedings of the …, 2019 - archive.ismrm.org
Hyperpolarized gas pulmonary MRI provides physiologically relevant biomarkers of
obstructive lung disease including emphysema, bronchopulmonary dysplasia, congenital …

Rapid single‐breath hyperpolarized noble gas MRI‐based biomarkers of airspace enlargement

A Westcott, F Guo, G Parraga… - Journal of Magnetic …, 2019 - Wiley Online Library
Background Multi‐b diffusion‐weighted hyperpolarized‐gas MRI measures pulmonary
airspace‐enlargement using apparent diffusion coefficients (ADCs) and mean‐linear …

In vivo lung morphometry with accelerated hyperpolarized 3He diffusion MRI: A preliminary study

YV Chang, JD Quirk… - Magnetic resonance in …, 2015 - Wiley Online Library
Purpose Parallel imaging can be used to reduce imaging time and to increase the spatial
coverage in hyperpolarized gas magnetic resonance imaging of the lung. In this proof‐of …