Dr Neil Stewart

All publications

Journal articles

• Simmons AV, Smith LJ, Somerville Z, Faulke H, Hughes D, West N, Biancardi AM, Stewart NJ & Wild JM (2025) WS07.03Expiratory lung proton magnetic resonance imaging is a simple sensitive method to detect gas trapping in cystic fibrosis?. Journal of Cystic Fibrosis, 24, S14-S14.
• Pilgrim-Morris JH, Smith LJ, Marshall H, Tahir BA, Collier GJ, Stewart NJ & Wild JM (2025) A framework for modelling whole-lung and regional TLCO using hyperpolarised 129Xe lung MRI. ERJ Open Research, 11(1). View this article in WRRO
• Stewart NJ, Higano NS, Wucherpfennig L, Triphan SMF, Simmons A, Smith LJ, Wielpütz MO, Woods JC & Wild JM (2025) Pulmonary MRI in newborns and children. Journal of Magnetic Resonance Imaging, 61(5), 2094-2115. View this article in WRRO
• Pilgrim‐Morris JH, Collier GJ, Takigawa M, Strickland S, Thompson R, Norquay G, Stewart NJ & Wild JM (2025) Mapping the amplitude and phase of dissolved 129 Xe red blood cell signal oscillations with keyhole spectroscopic lung imaging. Magnetic Resonance in Medicine, 93(2), 584-596. View this article in WRRO
• Pilgrim‐Morris JH, Collier GJ, Munro RS, Norquay G, Stewart NJ & Wild JM (2025) Compressed sensing reconstruction for high-SNR, rapid dissolved 129Xe gas exchange MRI. Magnetic Resonance in Medicine, 93(2), 741-750. View this article in WRRO
• Kimura A, Shimokawa A, Stewart NJ, Imai H & Fujiwara H (2025) Relationship between Pulmonary Gas Exchange Function and Brain Uptake Dynamics Investigated with Hyperpolarized ¹²⁹Xe MR Imaging and Spectroscopy in a Murine Model of Chronic Obstructive Pulmonary Disease. Magnetic Resonance in Medical Sciences, 24(4), n/a-n/a.
• Stewart NJ, de Arcos J, Biancardi AM, Collier GJ, Smith LJ, Norquay G, Marshall H, Brau ACS, Lebel RM & Wild JM (2024) Improving xenon‐129 lung ventilation image SNR with deep‐learning based image reconstruction. Magnetic Resonance in Medicine, 92(6), 2546-2559. View this article in WRRO
• Sawami K, Naganuma T, Yabe H, Taki T, Stewart NJ, Uchio Y, Takeda N, Hatae N, Hashimoto T, Hirata H & Matsumoto S (2024) Parahydrogen-Induced ¹³C Hyperpolarizer Using a Flow Guide for Magnetic Field Cycling to Evoke ¹H-¹³C Spin Order Transfer Toward Metabolic MRI. IEEE Transactions on Biomedical Engineering, 71(7), 2224-2231.
• Collier GJ, Smith LJ, Saunders LC, Swift AJ, Marshall H, Stewart NJ, Norquay G, Hughes PJC, Thompson AAR & Wild JM (2024) Age, sex, and lung volume dependence of dissolved xenon‐129 MRI gas exchange metrics. Magnetic Resonance in Medicine, 92(4), 1471-1483. View this article in WRRO
• Vaeggemose M, Schulte RF, Hansen ESS, Miller JJ, Rasmussen CW, Pilgrim-Morris JH, Stewart NJ, Collier GJ, Wild JM & Laustsen C (2023) A framework for predicting X-nuclei transmitter gain using 1H signal. Tomography, 9(5), 1603-1616. View this article in WRRO
• Xiao Q, Stewart N, Willmering M, McConnell K, Woods J, Fleck R, Amin R & Bates A (2023) Phase-Contrast Magnetic Resonance Imaging of Inhaled Xenon Reveals the Relationship between Airflow and Obstruction in Obstructive Sleep Apnea. American Journal of Respiratory and Critical Care Medicine, 208(3), e5-e6.
• Stewart NJ, Higano NS, Mukthapuram S, Willmering MM, Loew W, West M, Arnsperger A, Pratt R, Rao MR, Schulte RF , Wild JM et al (2023) Initial feasibility and challenges of hyperpolarized 129Xe MRI in neonates with bronchopulmonary dysplasia. Magnetic Resonance in Medicine, 90(6), 2420-2431. View this article in WRRO
• Saunders LC, Collier GJ, Chan H-F, Hughes PJC, Smith LJ, Watson J, Meiring J, Gabriel Z, Newman T, Plowright M , Wade P et al (2023) Longitudinal lung function assessment of patients hospitalised with COVID-19 using 1H and 129Xe lung MRI. Chest, 164(3), 700-716. View this article in WRRO
• Kimura A, Utsumi S, Shimokawa A, Nishimori R, Hosoi R, Stewart NJ, Imai H & Fujiwara H (2022) Targeted imaging of lung cancer with hyperpolarized 129Xe MRI using surface-modified iron oxide nanoparticles as molecular contrast agents. Cancers, 14(24).
• Stewart NJ, Sato T, Takeda N, Hirata H & Matsumoto S (2022) Hyperpolarized 13C MRI as a tool for imaging tissue redox state, oxidative stress, inflammation and cellular metabolism. Antioxidants & Redox Signaling, 36(1-3), 81-94.
• Stewart NJ, Smith LJ, Chan H-F, Eaden JA, Rajaram S, Swift AJ, Weatherley ND, Biancardi A, Collier GJ, Hughes D , Klafkowski G et al (2022) Lung MRI with hyperpolarised gases: current & future clinical perspectives. The British Journal of Radiology, 95(1132). View this article in WRRO
• Niedbalski PJ, Hall CS, Castro M, Eddy RL, Rayment JH, Svenningsen S, Parraga G, Zanette B, Santyr GE, Thomen RP , Stewart NJ et al (2021) 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 MRI clinical trials consortium. Magnetic Resonance in Medicine, 86(6), 2966-2986.
• Xiao Q, Stewart NJ, Willmering MM, Gunatilaka CC, Thomen RP, Schuh A, Krishnamoorthy G, Wang H, Amin RS, Dumoulin CL , Woods JC et al (2021) Human upper-airway respiratory airflow: In vivo comparison of computational fluid dynamics simulations and hyperpolarized 129Xe phase contrast MRI velocimetry. PLoS ONE, 16(8).
• Kimura A, Utsumi S, Shimokawa A, Nishimori R, Stewart NJ, Kamada Y, Imai H & Fujiwara H (2021) Inflammation during lung cancer progression and ethyl pyruvate treatment observed by pulmonary functional hyperpolarized 129Xe MRI in mice. Contrast Media & Molecular Imaging, 2021, 1-10.
• Stewart NJ, Nakano H, Sugai S, Tomohiro M, Kase Y, Uchio Y, Yamaguchi T, Matsuo Y, Naganuma T, Takeda N , Nishimura I et al (2021) Hyperpolarized 13C magnetic resonance imaging of fumarate metabolism by parahydrogen-induced polarization: a proof-of-concept in vivo study. ChemPhysChem, 22(10), 915-923. View this article in WRRO
• Stewart NJ, Nakano H, Sugai S, Tomohiro M, Kase Y, Uchio Y, Yamaguchi T, Matsuo Y, Naganuma T, Takeda N , Nishimura I et al (2021) Front Cover: Hyperpolarized ¹³C Magnetic Resonance Imaging of Fumarate Metabolism by Parahydrogen‐induced Polarization: A Proof‐of‐Concept in vivo Study (ChemPhysChem 10/2021). ChemPhysChem, 22(10), 904-904.
• Stewart NJ, Nakano H, Sugai S, Tomohiro M, Kase Y, Uchio Y, Yamaguchi T, Matsuo Y, Naganuma T, Takeda N , Nishimura I et al (2021) Hyperpolarized 13C magnetic resonance imaging of fumarate metabolism by parahydrogen-induced polarization: a proof-of-concept in vivo study. ChemPhysChem, 22(10), 905. View this article in WRRO
• Goralski JL, Stewart NJ & Woods JC (2021) Novel imaging techniques for cystic fibrosis lung disease. Pediatric Pulmonology, 56(S1), S40-S54. View this article in WRRO
• Marshall H, Stewart N, Chan H-F, Rao M, Norquay G & Wild J (2021) In vivo methods and applications of xenon-129 magnetic resonance. Progress in Nuclear Magnetic Resonance Spectroscopy, 122, 42-62. View this article in WRRO
• Collier G, Eaden J, Hughes P, Bianchi S, Stewart N, Weatherley N, Norquay G, Schulte R & Wild J (2021) Dissolved 129Xe lung MRI with four‐echo 3D radial spectroscopic imaging: quantification of regional gas transfer in idiopathic pulmonary fibrosis. Magnetic Resonance in Medicine, 85(5), 2622-2633. View this article in WRRO
• Rao MR, Norquay G, Stewart N & Wild J (2021) Measuring 129Xe transfer across the blood‐brain barrier using MR spectroscopy. Magnetic Resonance in Medicine, 85(6), 2939-2949. View this article in WRRO
• Stewart NJ & Matsumoto S (2021) Biomedical applications of the dynamic nuclear polarization and parahydrogen induced polarization techniques for hyperpolarized 13C MR imaging. Magnetic Resonance in Medical Sciences, 20(1), 1-17.
• Rao MR, Norquay G, Stewart N, Hoggard N, Griffiths P & Wild J (2019) Assessment of brain perfusion using hyperpolarized 129Xe MRI in a subject with established stroke.. Journal of Magnetic Resonance Imaging, 50(3), 1002-1004. View this article in WRRO
• Yokoyama T, Taguchi A, Kubota H, Stewart NJ, Matsumoto S, Kirilyuk IA & Hirata H (2019) Simultaneous T2* mapping of 14N- and 15N-labeled dicarboxy-PROXYLs using CW-EPR-based single-point imaging. Journal of Magnetic Resonance, 305, 122-130.
• Weatherley ND, Eaden JA, Stewart NJ, Bartholmai BJ, Swift AJ, Bianchi SM & Wild JM (2019) Experimental and quantitative imaging techniques in interstitial lung disease.. Thorax, 74(6), 611-619. View this article in WRRO
• Collier G, Hughes P, Horn F, Chan H-F, Tahir B, Norquay G, Stewart N & Wild J (2019) Single breath-held acquisition of co-registered 3D 129Xe lung ventilation and anatomical proton images of the human lung with compressed sensing. Magnetic Resonance in Medicine, 82(1), 342-347. View this article in WRRO
• Weatherley ND, Stewart NJ, Chan H-F, Austin M, Smith LJ, Collier G, Rao M, Marshall H, Norquay G, Renshaw SA , Bianchi SM et al (2019) Hyperpolarised xenon magnetic resonance spectroscopy for the longitudinal assessment of changes in gas diffusion in IPF. Thorax, 74(5), 500-502. View this article in WRRO
• Chan H-F, Weatherley N, Johns C, Stewart N, Collier G, Bianchi S & Wild J (2019) Airway microstructure in idiopathic pulmonary fibrosis: assessment at hyperpolarized 3He diffusion-weighted MRI. Radiology, 291(1), 223-229. View this article in WRRO
• Komarov DA, Ichikawa Y, Yamamoto K, Stewart NJ, Matsumoto S, Yasui H, Kirilyuk IA, Khramtsov VV, Inanami O & Hirata H (2018) In vivo extracellular pH mapping of tumors using electron paramagnetic resonance. Analytical Chemistry, 90(23), 13938-13945.
• Saunders L, Johns C, Stewart N, Oram C, Capener D, Puntmann V, Elliot C, Condliffe R, Kiely D, Graves M , Wild JM et al (2018) Diagnostic and prognostic significance of cardiovascular magnetic resonance native myocardial T1 mapping in patients with pulmonary hypertension. Journal of Cardiovascular Magnetic Resonance, 20. View this article in WRRO
• Tahir BA, Hughes P, Robinson S, Marshall H, Stewart N, Norquay G, Biancardi A, Chan H, Collier GJ, Hart KA , Swinscoe JA et al (2018) Spatial comparison of CT-based surrogates of lung ventilation with hyperpolarized Helium-3 and Xenon-129 gas MRI in patients undergoing radiation therapy. International Journal of Radiation Oncology*Biology*Physics, 102(4), 1276-1286. View this article in WRRO
• Stewart NJ, Kumeta H, Tomohiro M, Hashimoto T, Hatae N & Matsumoto S (2018) Long-range heteronuclear J-coupling constants in esters: Implications for 13C metabolic MRI by side-arm parahydrogen-induced polarization. Journal of Magnetic Resonance, 296, 85-92.
• Norquay G, Collier G, Rao M, Stewart N & Wild J (2018) 129 Xe-Rb spin-exchange optical pumping with high photon efficiency. Physical Review Letters, 121(15). View this article in WRRO
• Hodono S, Shimokawa A, Stewart NJ, Yamauchi Y, Nishimori R, Yamane M, Imai H, Fujiwara H & Kimura A (2018) Ethyl pyruvate improves pulmonary function in mice with bleomycin-induced lung injury as monitored with hyperpolarized 129Xe MR imaging. Magnetic Resonance in Medical Sciences, 17(4), 331-337.
• Stewart NJ, Chan H-F, Hughes PJC, Horn FC, Norquay G, Rao M, Yates DP, Ireland RH, Hatton MQ, Tahir BA , Ford P et al (2018) Comparison of 3He and129Xe MRI for evaluation of lung microstructure and ventilation at 1.5T. Journal of Magnetic Resonance Imaging, 48(3), 632-642. View this article in WRRO
• Smith LJ, West N, Hughes D, Marshall H, Johns CS, Stewart NJ, Chan H-F, Rao M, Capener DJ, Bray J , Collier GJ et al (2018) Imaging lung function abnormalities in primary ciliary dyskinesia using hyperpolarised gas ventilation MRI. Annals of the American Thoracic Society, 15(12), 1487-1490. View this article in WRRO
• Chan H-F, Stewart NJ, Norquay G, Collier GJ & Wild JM (2018) 3D diffusion-weighted (129) Xe MRI for whole lung morphometry. Magnetic Resonance in Medicine, 79(6), 2986-2995. View this article in WRRO
• Rao MR, Stewart NJ, Griffiths PD, Norquay G & Wild JM (2018) Imaging human brain perfusion with inhaled hyperpolarized (129)Xe MR imaging. Radiology, 286(2). View this article in WRRO
• Kimura A, Yamauchi Y, Hodono S, Stewart NJ, Hosokawa O, Hagiwara Y, Imai H & Fujiwara H (2017) Treatment response of ethyl pyruvate in a mouse model of chronic obstructive pulmonary disease studied by hyperpolarized129Xe MRI. Magnetic Resonance in Medicine, 78(2), 721-729.
• Chan HF, Stewart NJ, Parra-Robles J, Collier GJ & Wild JM (2017) Whole lung morphometry with 3D multiple b-value hyperpolarized gas MRI and compressed sensing.. Magnetic Resonance in Medicine, 77(5), 1916-1925. View this article in WRRO
• Marshall H, Horsley A, Taylor C, Smith L, Hughes D, Horn F, Swift A, Parra-Robles J, Hughes P, Norquay G , Stewart N et al (2017) Detection of early sub-clinical lung disease in children with cystic fibrosis by lung ventilation imaging with hyperpolarized gas MRI. Thorax, 72, 760-762. View this article in WRRO
• Matin TN, Rahman N, Nickol AH, Chen M, Xu X, Stewart NJ, Doel T, Grau V, Wild JM & Gleeson FV (2017) Chronic Obstructive Pulmonary Disease: Lobar Analysis with Hyperpolarized 129Xe MR Imaging.. Radiology, 282(3), 152299-152299. View this article in WRRO
• Horn FC, Rao M, Stewart NJ & Wild JM (2017) Multiple breath washout of hyperpolarized (129) Xe and (3) He in human lungs with three-dimensional balanced steady-state free-precession imaging. Magnetic Resonance in Medicine, 77(6), 2288-2295. View this article in WRRO
• Stewart NJ, Horn FC, Norquay G, Collier GJ, Yates DP, Lawson R, Marshall H & Wild JM (2017) Reproducibility of quantitative indices of lung function and microstructure from 129Xe chemical shift saturation recovery (CSSR) MR spectroscopy. Magnetic Resonance in Medicine, 77(6), 2107-2113. View this article in WRRO
• Norquay G, Leung G, Stewart NJ, Wolber J & Wild JM (2016) 129 Xe chemical shift in human blood and pulmonary blood oxygenation measurement in humans using hyperpolarized 129 Xe NMR. Magnetic Resonance in Medicine. View this article in WRRO
• Hansen ESS, Stewart NJ, Wild JM, Stødkilde-Jørgensen H & Laustsen C (2016) Hyperpolarized (13) C,(15) N2 -Urea MRI for assessment of the urea gradient in the porcine kidney.. Magnetic Resonance in Medicine, 76(6), 1895-1899. View this article in WRRO
• Stewart NJ, Parra-Robles J & Wild JM (2016) Finite element modeling of 129Xe diffusive gas exchange NMR in the human alveoli. Journal of Magnetic Resonance, 271, 21-33. View this article in WRRO
• Rao M, Stewart NJ, Norquay G, Griffiths PD & Wild JM (2016) High resolution spectroscopy and chemical shift imaging of hyperpolarized 129 Xe dissolved in the human brain in vivo at 1.5 tesla. Magnetic Resonance in Medicine, 75(6), 2227-2234. View this article in WRRO
• Collier GJ, Marshall H, Rao M, Stewart NJ, Capener D & Wild JM (2015) Observation of cardiogenic flow oscillations in healthy subjects with hyperpolarized He-3 MRI. Journal of Applied Physiology, 119(9), 1007-1014. View this article in WRRO
• Stewart NJ, Norquay G, Griffiths PD & Wild JM (2015) Feasibility of human lung ventilation imaging using highly polarized naturally abundant xenon and optimized three-dimensional steady-state free precession. Magnetic Resonance in Medicine , 74(2), 346-352. View this article in WRRO
• Norquay G, Leung G, Stewart NJ, Tozer GM, Wolber J & Wild JM (2015) Relaxation and exchange dynamics of hyperpolarized129Xe in human blood. Magnetic Resonance in Medicine, 74(2), 303-311.
• Stewart NJ, Leung G, Norquay G, Marshall H, Parra-Robles J, Murphy PS, Schulte RF, Elliot C, Condliffe R, Griffiths PD , Kiely DG et al (2015) Experimental validation of the hyperpolarized Xe-129 chemical shift saturation recovery technique in healthy volunteers and subjects with interstitial lung disease. MAGNETIC RESONANCE IN MEDICINE, 74(1), 196-207. View this article in WRRO
• Horn FC, Tahir BA, Stewart NJ, Collier GJ, Norquay G, Leung G, Ireland RH, Parra-Robles J, Marshall H & Wild JM (2014) Lung ventilation volumetry with same-breath acquisition of hyperpolarized gas and proton MRI. NMR in Biomedicine, 27(12), 1461-1467. View this article in WRRO

Book chapters

• Wild JM, Stewart NJ & Chan H-F (2017) Hyperpolarised Helium-3 (3He) MRI: Physical Methods for Imaging Human Lung Function, Medical Radiology (pp. 69-97). Springer International Publishing
• Stewart N & Wild J (2016) Magnetic resonance imaging methods for structural and functional assessment of the lungs: proton and multi-nuclear In Barr RG, Parr DG & Vogel-Claussen J (Ed.), Imaging (pp. 1-19). European Respiratory Society View this article in WRRO

Conference proceedings

• Saunders L, Collier G, Smith L, Marshall H, Biancardi A, Swift A, Jakymelen D, Strickland S, Gustafsson L, Munro R , Stewart N et al (2024) 129Xe lung ventilation imaging in patients with long COVID without prior respiratory disease. Imaging (pp PA5251-PA5251)
• Marshall H, Smith LJ, Biancardi A, Collier GJ, Chan HF, Capener D, Bray J, Jakymelen D, Saunders L, Astley J , Tahir BA et al (2023) P177 129Xe MRI phenotyping and longitudinal change in patients with asthma and/or COPD and normal pulmonary function tests. ‘You ain’t seen nothing yet’ – Imaging across COPD, nodules and lung cancer screening (pp A215-A215)
• Smith LJ, Marshall H, Biancardi A, Collier GJ, Chan HF, Capener D, Bray J, Jakymelen D, Saunders L, Astley J , Tahir BA et al (2023) P176 Bronchodilator response discordance in patients with asthma and/or COPD assessed by 129Xe-MRI and spirometry. ‘You ain’t seen nothing yet’ – Imaging across COPD, nodules and lung cancer screening (pp A214-A214)
• Smith L, Marshall H, Biancardi A, Collier G, Chan H-F, Capener D, Bray J, Jakymelen D, Saunders L, Astley J , Tahir B et al (2023) Xe-MRI bronchodilator response to assess disease severity in patients with asthma and/or COPD. Respiratory function technologists/scientists (pp PA4500-PA4500)
• Smith L, Marshall H, Biancardi A, Collier G, Chan H-F, Capener D, Bray J, Jakymelen D, Saunders L, Astley J , Tahir B et al (2023) Bronchodilator response discordance in patients with asthma and/or COPD using Xe-MRI and spirometry. Respiratory function technologists/scientists (pp OA757-OA757)
• Marshall H, Smith L, Biancardi A, Collier G, Chan H-F, Capener D, Bray J, Jakymelen D, Saunders L, Astley J , Tahir B et al (2023) Longitudinal change in lung physiology and 129Xe MRI over 1 year in patients with asthma and/or COPD. Clinical respiratory physiology, exercise and functional imaging (pp OA4954-OA4954)
• Stewart NJ, Higano NS, Mukthapuram SS, Willmering MM, Arnsperger A, Loew W, Schulte RF, Wild JM & Woods JC (2022) Hyperpolarised 129Xe MR imaging of lung ventilation in neonates with bronchopulmonary dysplasia: initial experience. 14.02 - Imaging (pp 3703-3703)
• Xiao Q, Stewart NJ, Willmering M, McConnell K, Wang H, Fleck RJ, Woods JC, Amin RS & Bates A (2022) Measuring airflow velocity in the upper airway in pediatric patients with obstructive sleep apnea via phase contrast MRI of hyperpolarized xenon. American Journal of Respiratory and Critical Care Medicine, Vol. 205 (pp a2564-a2564). San Francisco, CA, 13 May 2022 - 13 May 2022. View this article in WRRO
• Higano N, Stewart NJ, Mukthapuram S, Willmering MM, Arnsperger A, Loew W, Schulte RF, Wild JM & Woods JC (2022) Initial experience with hyperpolarized xenon-129 gas MRI in neonates with bronchopulmonary dysplasia. American Journal of Respiratory and Critical Care Medicine, Vol. 205 (pp a4356-a4356). San Francisco, CA, 13 May 2022 - 13 May 2022. View this article in WRRO
• Stewart NJ, Xiao Q, Willmering M, Gunatilaka CC, Thomen RP, Schuh A, Krishnamoorthy G, Wang H, Amin RS, Dumoulin CL , Woods JC et al (2021) In Vivo Validation of Computational Fluid Dynamics Simulations of Upper-Airway Respiratory Airflow with 129Xe Phase Contrast MRI. TP122. TP122 NOVEL IMAGING METHODS AND APPLICATIONS (pp A4596-A4596)
• Weatherley ND, Stewart NJ, Chan HF, Hughes PJC, Marshall H, Austin M, Smith L, Collier G, Rao M, Norquay G , Renshaw SA et al (2018) Probing diffusion and perfusion in idiopathic pulmonary fibrosis with hyperpolarised xenon and dynamic contrast-enhanced magnetic resonance imaging. Thorax, Vol. 73(Suppl 4) (pp A44-A45). London, UK, 5 December 2018 - 5 December 2018. View this article in WRRO
• Tahir B, Hughes P, Robinson S, Marshall H, Stewart N, Biancardi A, Chan HF, Collier G, Hart K, Swinscoe J , Hatton M et al (2018) OC-0182: A comparison of CT ventilation with 3He and 129Xe MRI for functional avoidance treatment planning. Radiotherapy and Oncology, Vol. 127(Supplement 1) (pp S96-S97). Barcelona, Spain, 20 April 2018 - 24 April 2018.
• Chan H-F, Collier G, Smith L, Marshall H, Hughes P, Parra-Robles J, Horn F, Norquay G, Stewart N, Taylor C , Aldag I et al (2017) Longitudinal monitoring of lung microstructure with HP gas diffusion-weighted MRI in mild cystic fibrosis children. European Respiratory Journal, Vol. 50(Suppl 61). Milan, Italy, 9 September 2017 - 9 September 2017. View this article in WRRO
• Hughes P, Smith L, Horn F, Biancardi A, Collier G, Stewart N, Norquay G, Rao M, Aldag I, Taylor C , Marshall H et al (2017) Ventilation heterogeneity assessed in patients with mild cystic fibrosis and asthma using Hyperpolarised gas MRI histogram analysis. Imaging (pp OA4645-OA4645)
• Weatherley N, Chan H-F, Stewart N, Norquay G, Rao M, Collier G, Austin M, Smith L, Marshall H, Renshaw SA , Bianchi S et al (2017) Late breaking abstract - Hyperpolarised gas MRI demonstrates sub-clinical progression in IPF over 6 months. European Respiratory Journal, Vol. 50(Suppl 61). Milan, Italy, 9 September 2017 - 9 September 2017. View this article in WRRO
• Hutchison L, Stewart N, Hammerton C, Capener D, Puntmann V, David K, Jim W & Andy S (2016) Native myocardial T1 correlates with right ventricular remodelling in patients with pulmonary hypertension. 4.3 Pulmonary Circulation and Pulmonary Vascular Diseases (pp PA1869-PA1869)
• Horn F, Collier G, Chan H-F, Stewart N & Wild J (2016) Regional phase III slope measurement using hyperpolarized gas MR imaging. European Respiratory Journal, Vol. 48. London, UK, 3 September 2016 - 3 September 2016. View this article in WRRO
• Stewart N, Chan H-F, Hughes P, Collier G, Horn F, Norquay G, Parra-Robles J, Yates D, Collini P, Lawson R , Marshall H et al (2016) Comparison of 3He and 129Xe MRI for evaluation of lung microstructure and ventilation at 1.5 T. European Respiratory Journal, Vol. 48. London, UK, 3 September 2016 - 3 September 2016. View this article in WRRO
• Tahir B, Marshall H, Hughes P, Stewart N, Horn F, Collier G, Norquay G, Hart K, Swinscoe J, Hatton M , Wild J et al (2016) Ventilation CT : voxel-level comparison with HP gas MRI. European Respiratory Journal, Vol. 48(Suppl 60). Estoril, Portugal, 10 March 2016 - 10 March 2016. View this article in WRRO
• Weatherley N, Chan F, Stewart N, Saunders L, Collier G, Norquay G, Rao M, Austin M, Bianchi S & Wild J (2016) Diffusion-weighted hyperpolarised gas MRI in idiopathic pulmonary fibrosis : reproducibility and clinical significance. European Respiratory Journal - ERS International Congress 2016 abstracts, Vol. 48(Suppl 60). London, UK, 3 September 2016 - 3 September 2016. View this article in WRRO
• Tahir B, Marshall H, Hughes P, Stewart N, Horn F, Collier G, Norquay G, Hart K, Swinscoe J, Hatton M , Wild J et al (2016) WE-AB-202-07: Ventilation CT: Voxel-level comparison with hyperpolarized helium-3 & xenon-129 MRI. Medical Physics, Vol. 43(6) (pp 3795-3796). Washington, DC, 31 July 2016 - 31 July 2016. View this article in WRRO
• Wild JM, Collier G, Marshall H, Smith L, Norquay G, Swift AJ, Horn FC, Chan F, Stewart NJ, Hutchison LC , Rao M et al (2015) P283 Hyperpolarised Gas MRI – a pathway to Clinical Diagnostic Imaging. Thorax, Vol. 70(Suppl 3) (pp A220.3-A221)
• Weatherley ND, Stewart NJ, Marshall H, Collier G, Hart K, Horn F, Norquay G, Whyte MK, Bianchi S & Wild JM (2015) P286 Correlations of functional multi-nuclear MR imaging indices with pulmonary function tests in the assessment of idiopathic pulmonary fibrosis. Thorax, Vol. 70(Suppl 3) (pp A223.1-A223)
• Hutchison L, Stewart N, Hughes P, Hammerton C, Graves M, Kiely D, Wild J & Swift A (2015) Myocardial T1 mapping MRI in patients with PH and age-matched healthy volunteers. 4.3 Pulmonary Circulation and Pulmonary Vascular Disease (pp PA2466-PA2466)
• Horn F, Rao M, Stewart N, Marshall H, Parra-Robles J & Wild J (2015) Multi nuclear 3D multiple breath washout imaging with hyperpolarised³He and¹²⁹Xe MRI. 1.3 Imaging (pp PA3752-PA3752)
• Wild J, Smith L, Horn F, Collier G, Swift A, Stewart N, Rao M, Norquay G, Hughes D, Ugonna K & Marshall H (2015) Hyperpolarised gas MR lung imaging – Breaks through to clinical practice. 1.3 Imaging (pp OA4992-OA4992)
• Stewart NJ, Marshall H & Wild JM (2015) Repeatability of¹²⁹Xe MR methods for quantification of interstitial thickness. 4.1 Clinical respiratory physiology, exercise and functional imaging (pp PA517-PA517)
• Stewart NJ, Norquay G, Parra-Robles J, Marshall H, Leung G, Murphy PS, Schulte RF, Elliot CA, Condliffe R, Billings CG , Smith I et al (2015) Assessment of lung microstructure in ILD with³He and¹²⁹Xe MRI. 4.1 Clinical respiratory physiology, exercise and functional imaging (pp OA2945-OA2945)
• Stewart N, Norquay G, Parra-Robles J, Marshall H, Leung G, Murphy P, Schulte R, Elliot C, Condliffe R, Billings C , Smith I et al (2014) P273 Assessment Of Lung Microstructure In Interstitial Lung Disease With Hyperpolarised Gas Mri. Thorax, Vol. 69(Suppl 2) (pp A192-A193)
• Stewart NJ, Leung G, Norquay G, Marshall H, Parra-Robles J, Billings C, Murphy P, Schulte RF, Wolber J, Kiely DG , Whyte MKB et al (2014) Age-dependent changes in whole-lung septal thickness measured by ¹²⁹Xe MRI: A comparison of healthy volunteers and subjects with IPF. EUROPEAN RESPIRATORY JOURNAL, Vol. 44
• Stewart NJ, Leung G, Norquay G, Marshall H, Parra-Robles J, Billings C, Murphy P, Schulte RF, Wolber J, Kiely DG , Whyte MKB et al (2014) Age-dependent changes in whole-lung septal thickness measured by Xe-129 MRI: A comparison of healthy volunteers and subjects with IPF. EUROPEAN RESPIRATORY JOURNAL, Vol. 44
• Stewart NJ, Leung G, Norquay G, Marshall H, Parra-Robles J, Wolber J, Schulte RF, Condliffe R, Elliot C, Murphy P , Kiely D et al (2014) Dissolved 129xe Mri - Delayed Gas Uptake Indicates Septal Thickening In Patients With Idiopathic Pulmonary Fibrosis And Systemic Sclerosis. AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE, Vol. 189
• Stewart NJ, Norquay G, Marshall H & Wild JM (2014) Feasibility of high quality lung MRI with naturally abundant hyperpolarised ¹²⁹Xe. EUROPEAN RESPIRATORY JOURNAL, Vol. 44
• Saunders L, Strikland S, Collier G, Hughes P, Smith I, Smith L, Norquay G, Stewart N, Pilgrim-Morris J, Marshall H , Biancardi A et al () 129Xe MRI is sensitive to pulmonary hemodynamics in systemic sclerosis patients with suspected pulmonary arterial hypertension. ISMRM Annual Meeting, 10 May 2025 - 15 May 2025.
• Collier G, Biancardi A, Chan H-F, Marshall H, Smith L, Saunders L, Stewart N, Norquay G, Hughes P & Wild J () Dependence of diffusion and ventilation metrics on hyperpolarized 129Xe lung MRI with demographics in healthy volunteers. ISMRM Annual Meeting, 10 May 2025 - 15 May 2025.
• Marshall H, Driskel M, Biancardi A, Smith L, Capener D, Bray J, Zalewska A, Fazal S, Saunders L, Stewart N , Swift A et al () 129Xe ventilation and 1H anatomical MRI after lung transplant. ISMRM Annual Meeting, 10 May 2025 - 15 May 2025.
• Simmons A, Smith L, Somerville Z, Faulke H, Tahir B, Hughes D, West N, Biancardi A, Stewart N & Wild J () Quantification of Gas Trapping in Cystic Fibrosis using Expiratory Breath-Hold Lung ¹H-MRI. ISMRM Annual Meeting, 10 May 2025 - 15 May 2025.
• Saunders L, Collier G, Smith L, Marshall H, Biancardi A, Jakymelen D, Strickland S, Gustafsson L, Munro R, Rodgers O , Stewart N et al () 129Xe lung ventilation imaging in patients with long COVID without prior respiratory disease. ISMRM Annual Meeting, 4 May 2024 - 9 May 2024.
• Stewart N, de Arcos J, Biancardi A, Pilgrim-Morris J, Rodgers O, Munro R, Collier G, Norquay G, Marshall H, Brau A , Lebel M et al () Improving Xenon-129 Lung Ventilation Image Quality with a Commercial Deep-Learning Based Image Reconstruction. ISMRM Annual Meeting, 3 June 2023 - 8 June 2023.
• Collier G, Chan H-F, Norquay G, Stewart N, Munro R, Rodgers O, Schulte R & Wild J () Implementation of dissolved 129Xe lung MRI with 4-echo 3D radial spectroscopic imaging at 3T: comparing with results at 1.5T in healthy volunteers. ISMRM Annual Meeting, 3 June 2023 - 8 June 2023.
• Marshall H, Collier G, Smith L, Chan H-F, Hughes P, Capener D, Bray J, Joseph S, Munro R, Rodgers O , Ball J et al () 129Xe gas transfer lung MRI before and after bronchodilator inhalation in patients with asthma and/or COPD. ISMRM Annual Meeting, 3 June 2023 - 8 June 2023.
• Marshall H, Collier G, Chan H-F, Smith L, Hughes P, Capener D, Bray J, Joseph S, Munro R, Rodgers O , Ball J et al () Longitudinal 129Xe MRI assessment of lung gas transfer and microstructure over 1 year in patients with asthma and/or COPD. ISMRM Annual Meeting, 3 June 2023 - 8 June 2023.
• Vaeggemose M, Norquay G, Hansen E, Stewart N, Rodgers O, Munro R, Schulte R, Collier G, Laustsen C & Wild J () Batch-mode production of hyperpolarised xenon gas with a continuous-flow polariser for preclinical and clinical human lung ventilation images. ISMRM Annual Meeting, 3 June 2023 - 8 June 2023.
• Pilgrim-Morris J, Smith L, Astley J, Saunders L, Collier G, Biancardi A, Tahir B, Marshall H, Hardaker L, Fihn-Wikander T , Hughes R et al () Modelling Whole-Lung and Regional Carbon Monoxide Transfer Factor with Hyperpolarized 129Xe MRI in Asthma and COPD Patients. ISMRM Annual Meeting, 3 June 2023 - 8 June 2023.
• Collier G, Chan H-F, Stewart N, Norquay G, Smith L, Rao M, Marshall H, Schulte R & Wild J () Age and lung volume dependence of dissolved xenon-129 imaging parameters. ISMRM Annual Meeting, 7 May 2022 - 12 May 2022.
• Hahn A, Higano N, Willmering M, Stewart N, Woods J & Fain S () Improving Efficiency of Ultra-short Echo Time MRI in Neonatal Lungs with a FLORET Spiral Trajectory. ISMRM Annual Meeting, 7 May 2022 - 12 May 2022.
• Chan H-F, Baldwin T, Barker H, Stewart N, Eaden J, Hughes P, Weatherley N, Astley J, Tahir B, Johnson K , Karwoski R et al () Longitudinal comparison of quantitative UTE lung MRI and CT biomarkers in interstitial lung disease. ISMRM Annual Meeting, 7 May 2022 - 12 May 2022.
• Stewart N, Higano N, Mukthapuram S, Willmering M, Arnsperger A, Pratt R, Loew W, Rao M, Schulte R, Wild J & Woods J () Hyperpolarized 129Xe MR Imaging in Neonates with Bronchopulmonary Dysplasia: Feasibility and Challenges. ISMRM Annual Meeting, 7 May 2022 - 12 May 2022.
• Stewart N, Xiao Q, Willmering M, McConnell K, Wang H, Fleck R, Woods J, Amin R & Bates A () Measuring Airflow Velocity in the Upper Airways with 129Xe Phase Contrast MRI: Feasibility in Pediatric Patients with Obstructive Sleep Apnea. ISMRM Annual Meeting, 7 May 2022 - 12 May 2022.

Preprints

• Saunders LC, Collier GJ, Chan H-F, Hughes PJC, Smith LJ, Watson J, Meiring J, Gabriel Z, Newman T, Plowright M , Wade P et al (2022) Longitudinal lung function assessment of patients hospitalised with COVID-19 using¹H and¹²⁹Xe lung MRI, Cold Spring Harbor Laboratory.