Optimization of steady‐state free precession MRI for lung ventilation imaging with 19FC3F8 at 1.5T and 3T

A Maunder, M Rao, F Robb… - Magnetic Resonance in …, 2019 - Wiley Online Library
Purpose: To optimize 19F imaging pulse sequences for perfluoropropane (C3F8) gas
human lung ventilation MRI considering intrinsic in vivo relaxation parameters at both 1.5 T …

Steady-state Free Precession for Improved Signal to Noise in Lung Ventilation Imaging with 19F Perfluoropropane at 1.5 T

A Maunder, NJ Stewart, M Rao… - Proc. Intl. Soc. Mag …, 2017 - archive.ismrm.org
Fluorinated gas MRI is a promising method for pulmonary ventilation imaging that does not
require additional polarization equipment. To date, short echo time spoiled gradient echo …

Optimized and accelerated 19F‐MRI of inhaled perfluoropropane to assess regional pulmonary ventilation

MA Neal, BJ Pippard, KG Hollingsworth… - Magnetic …, 2019 - Wiley Online Library
Purpose To accelerate 19F‐MR imaging of inhaled perfluoropropane using compressed
sensing methods, and to optimize critical scan acquisition parameters for assessment of …

Mapping of ventilation/perfusion ratios in the human lung using 19F MRI of perfluoropropane

A Obert, M Gutberlet, A Rotärmel… - Proceedings of the …, 2018 - archive.ismrm.org
In this work, the correlation between longitudinal relaxation time (T 1), alveolar partial
pressure and ventilation-perfusion ratio (V/Q) of an inhaled fluorinated gas is used to …

1H‐guided reconstruction of 19F gas MRI in COPD patients

AJ Obert, M Gutberlet, AL Kern… - Magnetic …, 2020 - Wiley Online Library
Purpose To reduce acquisition time and improve image quality and robustness of ventilation
assessment in a single breath‐hold using 1H‐guided reconstruction of fluorinated gas (19F) …

[PDF][PDF] Optimized strategies for 19F MRI of human lungs and comparison of UTE and gradient echo imaging

MJ Couch, IK Ball, T Li, MS Fox… - Proc Intl Soc Mag …, 2014 - researchgate.net
Methods: All imaging was performed using a 3.0 T Philips Achieva scanner and a flexible
wrap-around quadrature transmit/receive coil tuned to the 19F resonance frequency of …

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 …

MRI of respiratory dynamics with 2D steady-state free-precession and 2D gradient echo sequences at 1.5 and 3 Tesla: an observer preference study

M Fabel, BJ Wintersperger, O Dietrich, M Eichinger… - European …, 2009 - Springer
To compare the image quality of dynamic lung MRI with variations of steady-state free-
precession (SSFP) and gradient echo (GRE) cine techniques at 1.5 T and 3 T. Ventilated …

Volume‐Controlled 19F MR Ventilation Imaging of Fluorinated Gas

AJ Obert, AL Kern, M Gutberlet… - Journal of Magnetic …, 2023 - Wiley Online Library
Background 19F MRI of inhaled gas tracers has developed into a promising tool for
pulmonary diagnostics. Prior to clinical use, the intersession repeatability of acquired …

19F MRI of human lungs at 0.5 Tesla using octafluorocyclobutane

OS Pavlova, NV Anisimov, LL Gervits… - Magnetic …, 2020 - Wiley Online Library
Purpose The aim of this study was to demonstrate the feasibility of fluorine‐19 (19F) MRI of
the human lungs using octafluorocyclobutane (OFCB, C4F8). This gas has 8 magnetically …