Quantification of pulmonary functional MRI: state-of-the-art and emerging image processing methods and measurements

M Sharma, PV Wyszkiewicz… - Physics in Medicine …, 2022 - iopscience.iop.org
Pulmonary functional magnetic resonance imaging (PfMRI) provides a way to non-invasively
map and measure the spatial distribution of pulmonary ventilation, perfusion and gas …

Pulmonary functional MRI: Detecting the structure–function pathologies that drive asthma symptoms and quality of life

HK Kooner, MJ McIntosh, V Desaigoudar… - …, 2022 - Wiley Online Library
Pulmonary functional MRI (PfMRI) using inhaled hyperpolarized, radiation‐free gases (such
as 3He and 129Xe) provides a way to directly visualize inhaled gas distribution and …

Protocols for multi‐site trials using hyperpolarized 129Xe MRI for imaging of ventilation, alveolar‐airspace size, and gas exchange: A position paper from the 129Xe …

PJ Niedbalski, CS Hall, M Castro… - Magnetic resonance …, 2021 - Wiley Online Library
Hyperpolarized (HP) 129Xe MRI uniquely images pulmonary ventilation, gas exchange, and
terminal airway morphology rapidly and safely, providing novel information not possible …

Effects of dupilumab on mucus plugging and ventilation defects in patients with moderate-to-severe asthma: a randomized, double-blind, placebo-controlled trial

S Svenningsen, M Kjarsgaard, E Haider… - American Journal of …, 2023 - atsjournals.org
Methods We completed a single-center, randomized, double-blind, placebo-controlled trial
(ClinicalTrials. gov identifier NCT 03884842) in 25 adults with uncontrolled moderate to …

Postacute COVID-19 Syndrome: 129Xe MRI Ventilation Defects and Respiratory Outcomes 1 Year Later

HK Kooner, MJ McIntosh, AM Matheson, M Abdelrazek… - Radiology, 2023 - pubs.rsna.org
Background In individuals with postacute COVID-19 syndrome (PACS) and normal
pulmonary function, xenon 129 (129Xe) MRI ventilation defects, abnormal quality-of-life …

Heterogeneity of airway smooth muscle remodeling in asthma

AL James, GM Donovan, FHY Green… - American journal of …, 2023 - atsjournals.org
Rationale: Ventilatory defects in asthma are heterogeneous and may represent the
distribution of airway smooth muscle (ASM) remodeling. Objectives: To determine the …

Functional imaging for assessing regional lung ventilation in preclinical and clinical research

D Karmali, M Sowho, S Bose, J Pearce… - Frontiers in …, 2023 - frontiersin.org
Dynamic heterogeneity in lung ventilation is an important measure of pulmonary function
and may be characteristic of early pulmonary disease. While standard indices like …

Functional lung avoidance for individualized radiation therapy: Results of a double-masked, randomized controlled trial

BP Yaremko, DPI Capaldi, K Sheikh, DA Palma… - International Journal of …, 2022 - Elsevier
Purpose To determine whether functional lung avoidance based on 3 He magnetic
resonance imaging (MRI) improves quality of life (QOL) for patients undergoing concurrent …

Same‐day repeatability and 28‐day reproducibility of Xenon MRI ventilation in children with cystic fibrosis in a multi‐site trial

LL Walkup, DJ Roach, JW Plummer… - Journal of Magnetic …, 2024 - Wiley Online Library
Background MRI with xenon‐129 gas (Xe MRI) can assess airflow obstruction and
heterogeneity in lung diseases. Specifically, Xe MRI may represent a sensitive modality for …

Human upper-airway respiratory airflow: In vivo comparison of computational fluid dynamics simulations and hyperpolarized 129Xe phase contrast MRI velocimetry

Q Xiao, NJ Stewart, MM Willmering, CC Gunatilaka… - PLoS …, 2021 - journals.plos.org
Computational fluid dynamics (CFD) simulations of respiratory airflow have the potential to
change the clinical assessment of regional airway function in health and disease, in …