All Outputs (115)

Improvements in Between-Vendor MRI Harmonization of Renal T2 Mapping using Stimulated Echo Compensation (2024)
Journal Article
Li, H., Daniel, A. J., Buchanan, C. E., Nery, F., Morris, D. M., Li, S., …Francis, S. T. (in press). Improvements in Between-Vendor MRI Harmonization of Renal T2 Mapping using Stimulated Echo Compensation. Journal of Magnetic Resonance Imaging, https://doi.org/10.1002/jmri.29282

Background: T2 mapping is valuable to evaluate pathophysiology in kidney disease. However, variations in T2 relaxation time measurements across MR scanners and vendors may occur requiring additional correction. Purpose: To harmonize renal T2 measurem... Read More about Improvements in Between-Vendor MRI Harmonization of Renal T2 Mapping using Stimulated Echo Compensation.

Assessment of Acute Kidney Injury using MRI (2024)
Journal Article
Selby, N. M., & Francis, S. T. (2024). Assessment of Acute Kidney Injury using MRI. Journal of Magnetic Resonance Imaging, https://doi.org/10.1002/jmri.29281

There has been growing interest in using quantitative magnetic resonance imaging (MRI) to describe and understand the pathophysiology of acute kidney injury (AKI). The ability to assess kidney blood flow, perfusion, oxygenation, and changes in tissue... Read More about Assessment of Acute Kidney Injury using MRI.

An examination of resting-state functional connectivity in patients with active Crohn’s disease (2023)
Journal Article
Thapaliya, G., Eldeghaidy, S., Radford, S. J., Francis, S. T., & Moran, G. W. (in press). An examination of resting-state functional connectivity in patients with active Crohn’s disease. Frontiers in Neuroscience, 17, Article 1265815. https://doi.org/10.3389/fnins.2023.1265815

Background: Alterations in resting state functional connectivity (rs-FC) in Crohn’s Disease (CD) have been documented in default mode network (DMN) and frontal parietal network (FPN) areas, visual, cerebellar, salience and attention resting-state-net... Read More about An examination of resting-state functional connectivity in patients with active Crohn’s disease.

An examination of resting-state functional connectivity in patients with active Crohn's disease (2023)
Journal Article
Francis, S. T., Moran, G. W., Eldeghaidy, S., Radford, S., & Thapaliya, G. (2023). An examination of resting-state functional connectivity in patients with active Crohn's disease. Frontiers in Neuroscience, 17, Article 1265815. https://doi.org/10.3389/fnins.2023.1265815

Background: Alterations in resting state functional connectivity (rs-FC) in Crohn’s Disease (CD) have been documented in default mode network (DMN) and frontal parietal network (FPN) areas, visual, cerebellar, salience and attention resting-state-net... Read More about An examination of resting-state functional connectivity in patients with active Crohn's disease.

Multiparametric Renal Magnetic Resonance Imaging for Prediction and Annual Monitoring of the Progression of Chronic Kidney Disease over Two Years (2023)
Journal Article
Buchanan, C. E., Mahmoud, H., Cox, E. F., Prestwich, B. L., Noble, R. A., Selby, N. M., …Francis, S. T. (2023). Multiparametric Renal Magnetic Resonance Imaging for Prediction and Annual Monitoring of the Progression of Chronic Kidney Disease over Two Years. Journal of Clinical Medicine, 12(23), Article 7282. https://doi.org/10.3390/jcm12237282

Background: Multiparametric renal Magnetic Resonance Imaging (MRI) provides a non-invasive method to assess kidney structure and function, but longitudinal studies are limited. Methods: A total of 22 patients with CKD category G3-4 (estimated glomeru... Read More about Multiparametric Renal Magnetic Resonance Imaging for Prediction and Annual Monitoring of the Progression of Chronic Kidney Disease over Two Years.

Liver investigation: Testing marker utility in steatohepatitis (LITMUS): Assessment & validation of imaging modality performance across the NAFLD spectrum in a prospectively recruited cohort study (the LITMUS imaging study): Study protocol (2023)
Journal Article
Pavlides, M., Mózes, F. E., Akhtar, S., Wonders, K., Cobbold, J., Tunnicliffe, E. M., …Harrison, S. (2023). Liver investigation: Testing marker utility in steatohepatitis (LITMUS): Assessment & validation of imaging modality performance across the NAFLD spectrum in a prospectively recruited cohort study (the LITMUS imaging study): Study protocol. Contemporary Clinical Trials, 134, Article 107352. https://doi.org/10.1016/j.cct.2023.107352

Non-alcoholic fatty liver disease (NAFLD) is the liver manifestation of the metabolic syndrome with global prevalence reaching epidemic levels. Despite the high disease burden in the population only a small proportion of those with NAFLD will develop... Read More about Liver investigation: Testing marker utility in steatohepatitis (LITMUS): Assessment & validation of imaging modality performance across the NAFLD spectrum in a prospectively recruited cohort study (the LITMUS imaging study): Study protocol.

Multiorgan MRI findings after hospitalisation with COVID-19 in the UK (C-MORE): a prospective, multicentre, observational cohort study (2023)
Journal Article
C-MORE/PHOSP-COVID Collaborative Group, Raman, B., McCracken, C., Cassar, M. P., Moss, A. J., Finnigan, L., …Francis, S. (2023). Multiorgan MRI findings after hospitalisation with COVID-19 in the UK (C-MORE): a prospective, multicentre, observational cohort study. Lancet Respiratory Medicine, 11(11), 1003-1019. https://doi.org/10.1016/S2213-2600%2823%2900262-X

Introduction The multiorgan impact of moderate to severe coronavirus infections in the post-acute phase is still poorly understood. We aimed to evaluate the excess burden of multiorgan abnormalities after hospitalisation with COVID-19, evaluate thei... Read More about Multiorgan MRI findings after hospitalisation with COVID-19 in the UK (C-MORE): a prospective, multicentre, observational cohort study.

Two-Dimensional Population Receptive Field Mapping of Human Primary Somatosensory Cortex (2023)
Journal Article
Asghar, M., Sanchez-Panchuelo, R., Schluppeck, D., & Francis, S. (2023). Two-Dimensional Population Receptive Field Mapping of Human Primary Somatosensory Cortex. Brain Topography, 36, 816-834. https://doi.org/10.1007/s10548-023-01000-8

Functional magnetic resonance imaging can provide detailed maps of how sensory space is mapped in the human brain. Here, we use a novel 16 stimulator setup (a 4 × 4 grid) to measure two-dimensional sensory maps of between and within-digit (D2–D4) spa... Read More about Two-Dimensional Population Receptive Field Mapping of Human Primary Somatosensory Cortex.

Randomised trial comparing standard versus thermocontrolled haemodialysis using intradialytic cardiac, brain and renal magnetic resonance imaging (2023)
Journal Article
Gullapudi, V. R. L., Cox, E. F., Buchanan, C. E., Canaud, B., White, K., Taal, M. W., …Francis, S. T. (2024). Randomised trial comparing standard versus thermocontrolled haemodialysis using intradialytic cardiac, brain and renal magnetic resonance imaging. Nephrology Dialysis Transplantation, 39(2), 233–241. https://doi.org/10.1093/ndt/gfad150

Background Ischaemic end-organ damage during haemodialysis (HD) is a significant problem that may be ameliorated by intradialytic cooling. A randomised trial was performed to compare standard HD (SHD; dialysate temperature 37°C) and programmed cooli... Read More about Randomised trial comparing standard versus thermocontrolled haemodialysis using intradialytic cardiac, brain and renal magnetic resonance imaging.

Performance of non-invasive tests and histology for the prediction of clinical outcomes in patients with non-alcoholic fatty liver disease: an individual participant data meta-analysis (2023)
Journal Article
Mózes, F. E., Lee, J. A., Vali, Y., Alzoubi, O., Staufer, K., Trauner, M., …Hytiroglou, P. (2023). Performance of non-invasive tests and histology for the prediction of clinical outcomes in patients with non-alcoholic fatty liver disease: an individual participant data meta-analysis. Lancet Gastroenterology and Hepatology, 8(8), 704-713. https://doi.org/10.1016/S2468-1253%2823%2900141-3

Background Histologically assessed liver fibrosis stage has prognostic significance in patients with non-alcoholic fatty liver disease (NAFLD) and is accepted as a surrogate endpoint in clinical trials for non-cirrhotic NAFLD. Our aim was to compare... Read More about Performance of non-invasive tests and histology for the prediction of clinical outcomes in patients with non-alcoholic fatty liver disease: an individual participant data meta-analysis.

Renal MRI: From Nephron to NMR Signal (2023)
Journal Article
Bane, O., Seeliger, E., Cox, E., Stabinska, J., Bechler, E., Lewis, S., …Niendorf, T. (2023). Renal MRI: From Nephron to NMR Signal. Journal of Magnetic Resonance Imaging, https://doi.org/10.1002/jmri.28828

Renal diseases pose a significant socio-economic burden on healthcare systems. The development of better diagnostics and prognostics is well-recognized as a key strategy to resolve these challenges. Central to these developments are MRI biomarkers, d... Read More about Renal MRI: From Nephron to NMR Signal.

Steps on the Path to Clinical Translation: A workshop by the British and Irish Chapter of the ISMRM (2023)
Journal Article
Hubbard Cristinacce, P. L., Markus, J. E., Punwani, S., Mills, R., Lopez, M. Y., Grech-Sollars, M., …Hyare, H. (2023). Steps on the Path to Clinical Translation: A workshop by the British and Irish Chapter of the ISMRM. Magnetic Resonance in Medicine, 90(3), 1130-1136. https://doi.org/10.1002/mrm.29704

The British and Irish Chapter of the International Society for Magnetic Resonance in Medicine (BIC-ISMRM) held a workshop entitled “Steps on the path to clinical translation” in Cardiff, UK, on 7th September 2022. The aim of the workshop was to promo... Read More about Steps on the Path to Clinical Translation: A workshop by the British and Irish Chapter of the ISMRM.

Magnetic Resonance Imaging to Evaluate Kidney Structure, Function, and Pathology: Moving Toward Clinical Application (2023)
Journal Article
Francis, S. T., Selby, N. M., & Taal, M. W. (2023). Magnetic Resonance Imaging to Evaluate Kidney Structure, Function, and Pathology: Moving Toward Clinical Application. American Journal of Kidney Diseases, 82(4), 491-504. https://doi.org/10.1053/j.ajkd.2023.02.007

Recent advances in multiparametric magnetic resonance imaging (MRI) allow multiple quantitative measures to assess kidney morphology, tissue microstructure, oxygenation, kidney blood flow, and perfusion to be collected in a single scan session. Anima... Read More about Magnetic Resonance Imaging to Evaluate Kidney Structure, Function, and Pathology: Moving Toward Clinical Application.

fRAT: an interactive, Python-based tool forregion-of-interest summaries of functional imaging data (2023)
Journal Article
Howley, E., Francis, S., & Schluppeck, D. (2023). fRAT: an interactive, Python-based tool forregion-of-interest summaries of functional imaging data. Journal of Open Source Software, 8(85), Article 5200. https://doi.org/10.21105/joss.05200

Functional magnetic resonance imaging (fMRI) is widely used to address basic cognitive as well as clinical neuroscience questions. The specific choice of imaging sequence and parameters used for image acquisition can have a marked effect on the acqui... Read More about fRAT: an interactive, Python-based tool forregion-of-interest summaries of functional imaging data.

Update on state‐of‐the‐art for arterial spin labeling (ASL) human perfusion imaging outside of the brain (2023)
Journal Article
Taso, M., Aramendía-Vidaurreta, V., Englund, E. K., Francis, S., Franklin, S., Madhuranthakam, A. J., …the ISMRM Perfusion Study Group. (2023). Update on state‐of‐the‐art for arterial spin labeling (ASL) human perfusion imaging outside of the brain. Magnetic Resonance in Medicine, 89(5), 1754-1776. https://doi.org/10.1002/mrm.29609

This review article provides an overview of developments for arterial spin labeling (ASL) perfusion imaging in the body (i.e., outside of the brain). It is part of a series of review/recommendation papers from the International Society for Magnetic R... Read More about Update on state‐of‐the‐art for arterial spin labeling (ASL) human perfusion imaging outside of the brain.

GLP−1 Promotes Cortical and Medullary Perfusion in the Human Kidney and Maintains Renal Oxygenation During NaCl Loading (2023)
Journal Article
Haddock, B., Kristensen, K. B., Tayyab, M., Larsson, H. B. W., Lindberg, U., Vestergaard, M., …Asmar, A. (2023). GLP−1 Promotes Cortical and Medullary Perfusion in the Human Kidney and Maintains Renal Oxygenation During NaCl Loading. Journal of the American Heart Association, 12(3), Article e027712. https://doi.org/10.1161/JAHA.122.027712

Background GLP‐1 (glucagon‐like peptide‐1) receptor agonists exert beneficial long‐term effects on cardiovascular and renal outcomes. In humans, the natriuretic effect of GLP‐1 depends on GLP‐1 receptor interaction, is accompanied by suppression o... Read More about GLP−1 Promotes Cortical and Medullary Perfusion in the Human Kidney and Maintains Renal Oxygenation During NaCl Loading.

Comparing magnetic resonance liver fat fraction measurements with histology in fibrosis: the difference between proton density fat fraction and tissue mass fat fraction (2022)
Journal Article
Bawden, S. J., Hoad, C., Kaye, P., Stephenson, M., Dolman, G., James, M. W., …Aithal, G. P. (2023). Comparing magnetic resonance liver fat fraction measurements with histology in fibrosis: the difference between proton density fat fraction and tissue mass fat fraction. Magnetic Resonance Materials in Physics, Biology and Medicine, 36(4), 553-563. https://doi.org/10.1007/s10334-022-01052-0

Objective: Magnetic resonance spectroscopy (MRS) provides a powerful method of measuring fat fraction. However, previous studies have shown that MRS results give lower values compared with visual estimates from biopsies in fibrotic livers. This study... Read More about Comparing magnetic resonance liver fat fraction measurements with histology in fibrosis: the difference between proton density fat fraction and tissue mass fat fraction.

The relationship between Central Nervous System morphometry changes and key symptoms in Crohn’s disease (2022)
Journal Article
Thapaliya, G., Eldeghaidy, S., Asghar, M., McGing, J., Radford, S., Francis, S., & Moran, G. W. (2022). The relationship between Central Nervous System morphometry changes and key symptoms in Crohn’s disease. Brain Imaging and Behavior, https://doi.org/10.1007/s11682-022-00742-6

Alterations in grey matter volume (GMV) and cortical thickness (CT) in Crohn’s disease (CD) patients has been previously documented. However, the findings are inconsistent, and not a true representation of CD burden, as only CD patients in remission... Read More about The relationship between Central Nervous System morphometry changes and key symptoms in Crohn’s disease.

Improved Dynamic Contrast-Enhanced MRI Using Low Rank with Joint Sparsity (2022)
Journal Article
Zhang, J., Najeeb, F., Wang, X., Xu, P., Omer, H., Zheng, J., …Wang, C. (2022). Improved Dynamic Contrast-Enhanced MRI Using Low Rank with Joint Sparsity. IEEE Access, 10, 121193-121203. https://doi.org/10.1109/access.2022.3222313

This work presents a free-breathing dynamic contrast-enhanced (DCE) MRI reconstruction method called low-rank plus sparse (L+S) with joint sparsity. The proposed method improved dynamic contrast performance by integrating an additional temporal Fast... Read More about Improved Dynamic Contrast-Enhanced MRI Using Low Rank with Joint Sparsity.

Ensemble Kalman inversion for magnetic resonance elastography. (2022)
Journal Article
Iglesias, M., McGrath, D. M., Tretyakov, M. V., & Francis, S. T. (2022). Ensemble Kalman inversion for magnetic resonance elastography. Physics in Medicine and Biology, 67(23), Article 235003. https://doi.org/10.1088/1361-6560/ac9fa1

Magnetic Resonance Elastography (MRE) is an MRI-based diagnostic method for measuring mechanical properties of biological tissues. MRE measurements are processed by an inversion algorithm to produce a map of the biomechanical properties. In this pape... Read More about Ensemble Kalman inversion for magnetic resonance elastography..