Neil J Stewart
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Explore the profile of Neil J Stewart including associated specialties, affiliations and a list of published articles.
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51
Citations
695
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Recent Articles
1.
Pilgrim-Morris J, Smith L, Marshall H, Tahir B, Collier G, Stewart N, et al.
ERJ Open Res
. 2025 Feb;
11(1).
PMID: 39931664
Background: Pulmonary gas exchange is assessed by the transfer factor of the lungs ( ) for carbon monoxide ( ), and can also be measured with inhaled xenon-129 (Xe) magnetic...
2.
Stewart N, Higano N, Wucherpfennig L, Triphan S, Simmons A, Smith L, et al.
J Magn Reson Imaging
. 2024 Dec;
PMID: 39639777
Lung MRI is an important tool in the assessment and monitoring of pediatric and neonatal lung disorders. MRI can provide both similar and complementary image contrast to computed tomography for...
3.
Pilgrim-Morris J, Collier G, Takigawa M, Strickland S, Thompson R, Norquay G, et al.
Magn Reson Med
. 2024 Oct;
93(2):584-596.
PMID: 39423219
Purpose: To assess the regional amplitude and phase of dissolved Xe red blood cell (RBC) signal oscillations in the lung vasculature with keyhole spectroscopic imaging and to compare with previous...
4.
Pilgrim-Morris J, Collier G, Munro R, Norquay G, Stewart N, Wild J
Magn Reson Med
. 2024 Sep;
93(2):741-750.
PMID: 39323101
Purpose: Three-dimensional hyperpolarized Xe gas exchange imaging suffers from low SNR and long breath-holds, which could be improved using compressed sensing (CS). The purpose of this work was to assess...
5.
Stewart N, de Arcos J, Biancardi A, Collier G, Smith L, Norquay G, et al.
Magn Reson Med
. 2024 Aug;
92(6):2546-2559.
PMID: 39155454
Purpose: To evaluate the feasibility and utility of a deep learning (DL)-based reconstruction for improving the SNR of hyperpolarized Xe lung ventilation MRI. Methods: Xe lung ventilation MRI data acquired...
6.
Kimura A, Shimokawa A, Stewart N, Imai H, Fujiwara H
Magn Reson Med Sci
. 2024 Jun;
PMID: 38839300
Purpose: Chronic obstructive pulmonary disease (COPD) is a complex multisystem disease associated with comorbidities outside the lungs. The aim of this study was to measure changes in metrics of pulmonary...
7.
Collier G, Smith L, Saunders L, Swift A, Marshall H, Stewart N, et al.
Magn Reson Med
. 2024 May;
92(4):1471-1483.
PMID: 38726472
Purpose: To characterize the dependence of Xe-MRI gas transfer metrics upon age, sex, and lung volume in a group of healthy volunteers. Methods: Sixty-five subjects with no history of chronic...
8.
Sawami K, Naganuma T, Yabe H, Taki T, Stewart N, Uchio Y, et al.
IEEE Trans Biomed Eng
. 2024 Feb;
71(7):2224-2231.
PMID: 38349832
Objective: The pair-wise addition of parahydrogen, the singlet form of molecular hydrogen, to unsaturated precursors evokes the hyperpolarization of two parahydrogen-derived H nuclear spins through a process known as parahydrogen-induced...
9.
Vaeggemose M, Schulte R, Hansen E, Miller J, Rasmussen C, Pilgrim-Morris J, et al.
Tomography
. 2023 Sep;
9(5):1603-1616.
PMID: 37736981
Commercial human MR scanners are optimised for proton imaging, containing sophisticated prescan algorithms with setting parameters such as RF transmit gain and power. These are not optimal for X-nuclear application...
10.
Stewart N, Higano N, Mukthapuram S, Willmering M, Loew W, West M, et al.
Magn Reson Med
. 2023 Aug;
90(6):2420-2431.
PMID: 37526031
Purpose: The underlying functional and microstructural lung disease in neonates who are born preterm (bronchopulmonary dysplasia, BPD) remains poorly characterized. Moreover, there is a lack of suitable techniques to reliably...