Free-breathing pulmonary MR imaging to quantify regional ventilation

DPI Capaldi, RL Eddy, S Svenningsen, F Guo… - Radiology, 2018 - pubs.rsna.org
Purpose To measure regional specific ventilation with free-breathing hydrogen 1 (1H)
magnetic resonance (MR) imaging without exogenous contrast material and to investigate …

Pulmonary functional magnetic resonance imaging: asthma temporal–spatial maps

S Svenningsen, F Guo, M Kirby, S Choy, A Wheatley… - Academic radiology, 2014 - Elsevier
Rationale and Objectives Hyperpolarized 3 He magnetic resonance imaging (MRI)
previously revealed the temporal and spatial heterogeneity of ventilation defects in …

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 …

Regional heterogeneity of lobar ventilation in asthma using hyperpolarized helium-3 MRI

W Zha, SJ Kruger, RV Cadman, DG Mummy… - Academic radiology, 2018 - Elsevier
Rationale and Objectives To determine lobar ventilation patterns in asthmatic lungs with
hyperpolarized 3 He magnetic resonance imaging (HP 3 He MRI). Materials and Methods …

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 …

Imaging of lung ventilation and respiratory dynamics in a single ventilation cycle using hyperpolarized He‐3 MRI

JH Holmes, FR Korosec, J Du… - Journal of Magnetic …, 2007 - Wiley Online Library
Purpose To image respiratory dynamics and three‐dimensional (3D) ventilation during
inhalation, breath‐hold, and exhalation for evaluation of obstructive lung disease using a …

Assessment of lung ventilation by MR imaging: current status and future perspectives

HU Kauczor, A Hanke, EJ van Beek - European radiology, 2002 - Springer
The aim of this paper is to review the present status of novel MRI techniques as a new
important instrument for functional ventilation imaging. The current status and future …

Comparison of quantitative multiple-breath specific ventilation imaging using colocalized 2D oxygen-enhanced MRI and hyperpolarized 3He MRI

TJ Arai, FC Horn, RC Sá, MR Rao… - Journal of applied …, 2018 - journals.physiology.org
Two magnetic resonance specific ventilation imaging (SVI) techniques, namely, oxygen-
enhanced proton (OE-1H) and hyperpolarized 3He (HP-3He), were compared in eight …

Lung ventilation volumetry with same‐breath acquisition of hyperpolarized gas and proton MRI

FC Horn, BA Tahir, NJ Stewart, GJ Collier… - NMR in …, 2014 - Wiley Online Library
The purpose of this work was to assess the reproducibility of percentage of ventilated lung
volume (PV) measured from hyperpolarized (HP) 3He and 1H anatomical images acquired …

The difference in ventilation heterogeneity between asthmatic and healthy subjects quantified using hyperpolarized 3He MRI

YS Tzeng, K Lutchen, M Albert - Journal of applied …, 2009 - journals.physiology.org
In this pilot study, algorithms for quantitatively evaluating the distribution and heterogeneity
of human ventilation imaged with hyperpolarized (HP) 3He MRI were developed for the goal …